Top 20 Welding Manipulator Manufacturers (2026)

20 Best Welding Manipulator Manufacturers (2026)

Last updated: October 2026

The best welding manipulator manufacturers depend on the job: Lincoln Electric for controller-integrated submerged-arc cells, Key Plant Automation for extra-large 15×15 m booms (published envelope), Preston Eastin for heavy US-built manipulators, Pemamek for wind-energy production lines and Kistler Machine for stationary or rail-traversing booms.

Quick picks: which welding manipulator manufacturer fits the job

Six job types that welding manipulator manufacturers in this guide are picked for.

Best for extra-large envelopes up to 15×15 m, bought or hired: Key Plant Automation
Best for heavy US-built manipulators with powered travel cars: Preston Eastin
Best for controller-integrated submerged-arc and GMAW cells: Lincoln Electric
Best for wind-energy and shipbuilding production lines: Pemamek
Best for rental, lease and portable units: LJ Welding Automation
Best for column-and-boom manipulator packages for heavy fabrication lines: Aubrik (publisher of this guide)

Disclosure: This guide is published by Aubrik. We list ourselves first because this is our website, not because we claim to be the market leader. The other 19 manufacturers are grouped by what they’re best for, in no particular order within each group.

How we selected these welding manipulator manufacturers

How the guide screened 31 candidates down to 20 welding manipulator manufacturers.

We screened 31 candidates and kept 20 manufacturers whose current official pages show a complete column-and-boom or mast-type welding manipulator, or an integrated welding-manipulator cell. Column and boom welding manipulators, also called column and boom manipulators, carry a welding torch along a seam on a boom that raises and extends from a column, so that manual welding gives way to repeatable automatic welding. Directories, sourcing platforms, generic robot resellers, and companies without public welding-manipulator evidence were excluded, and brands owned by the same group are counted once. Four role labels are used, and each manufacturer carries one of them. System manufacturers sell the manipulator as their own product line, platform manufacturers sell it within a wider welding-equipment range, engineered integrators build it into project-specific automation, and regional specialists are focused makers with a documented product family. Specifications are quoted as provided by the manufacturers for the respective models, and the list is grouped by supplier type rather than prioritized. Company information was verified against official websites and public sources in October 2026.

Welding manipulator manufacturers compared

The four company roles, the jobs the Best For column points to, and the six checks to make before shortlisting a welding manipulator manufacturer.

No.	Company Name	Headquarters	Founded Year	Best For	Brief Introduction	Published manipulator scope	Key Advantages	Potential Disadvantages	Official Website
1	Aubrik	Wuxi, Jiangsu, China	1999	column-and-boom manipulator packages for heavy fabrication lines	Wuxi ABK Machinery's brand for column-and-boom manipulators, with four AM-CB size classes and related workpiece-handling equipment.	AM-CB-30 to AM-CB-60: 3×3 to 6×6 m column-and-boom classes	Four published AM-CB classes with boom-end load ranges; 12-month warranty with installation and training	Published classes stop at 6×6 m; larger or rail-mounted layouts are quoted on request.	aubrikmc.com
2	Key Plant Automation	Leek, Staffordshire, UK	1956	extra-large column-and-boom envelopes, bought or hired	UK maker of mobile pipe, standard, extra-heavy, telescopic and platform column-and-boom systems, with a US facility in Houston.	SD envelopes 2×2 to 7×7 m; EHD envelopes 7×7 to 15×15 m	Largest envelope range in this list; purchase, lease or hire; US showroom and training school	Can be supplied as steelwork only; boom payload figures and datasheets on request.	www.keyplant.com
3	Preston Eastin	Tulsa, Oklahoma, USA	1972	heavy-duty US-built manipulators with powered travel cars	Tulsa maker of five manipulator duty classes, turning rolls, headstocks and positioners, owned by SMX Industrial Solutions since 2025.	MA-44 LD to MA-1818 SHD: 4×4 to 18×18 ft strokes	Five duty classes; powered TCP-56 or TCP-84 crane-rail travel cars; accepts any make of welding head	Spec sheet lists 115 V and 240/480 V supplies only; service area North America.	www.prestoneastin.com
4	Koike Aronson / Ransome	Arcade, New York, USA	1918	modular manipulators from 150 lb to 3,000 lb	Group formed from Koike (Tokyo), Aronson (Arcade, New York) and Ransome, selling manipulators, positioners and turning rolls from one catalogue.	Cricket-I at 150 lb up to Scarab at 3,000 lb standard families	Wide load ladder in one catalogue; Cricket-I built in the USA with a two-year warranty	Loads depend on lift and reach; standard families top out at the 3,000 lb Scarab.	www.koike.com
5	Pandjiris	St. Louis, Missouri, USA	1946	standard 4 ft to 16 ft stroke manipulators with turnkey systems	St. Louis maker of weld tooling and positioning equipment, with six standard manipulator sizes and turnkey automation for pipe, tank and vessel work.	Six standard sizes: 4 ft stroke at 300 lb to 16 ft at 2,200 lb	Published size table with stroke, travel and capacity; turnkey systems for pipe, tank and vessel work	Standard line ends at the 1600 model; larger sizes are custom.	www.pandjiris.com
6	LJ Welding Automation	Edmonton, Alberta, Canada	1976	portable to 16×16 ft manipulators with rental and lease stock	Edmonton maker of column-and-boom manipulators and pipe-welding automation, with more than 5,000 pieces of equipment for sale, rent or lease.	MNP-600 portable to MN16-100 (16×16 ft); 250–500 lb boom-end ratings	Rental and lease stock (company says no lead time); laser-vision seam tracking standard on the MN12-200	Published ratings stay at 250–500 lb across all sizes.	www.ljwelding.com
7	MITUSA	Huntington Park, California, USA	Not publicly disclosed	compact 4×4 to 16×16 ft units set up quickly in changing cells	Huntington Park builder of the MITUSALATOR unitized column and swivel-boom manipulator, plus seamers and side-beam systems.	Seven sizes, 4×4 to 16×16 ft; 500 lb boom capacity	Boom swivels in line with the column for quick set-up; powered or manual travel car	One 500 lb capacity class across all sizes.	mitusaproducts.com
8	Kistler Machine	Bad Saulgau, Germany	1966	stationary or rail-traversing booms from 2×2 to 6×5 m	Bad Saulgau-based builder of stationary and traversing column-and-boom manipulators in medium- and heavy-duty ranges.	2/RMB and 3/RMB medium duty; RC and TRC heavy duty to 6×5 m	Stationary and traversing versions of each range; company says 5,000+ machines sold, about 80% exported	Medium-duty load is limited to 120–430 kg and falls with reach; heavy-duty tables give no load rating.	kistler-machine.com
9	Lincoln Electric	Cleveland, Ohio, USA	1895	controller-integrated column-and-boom cells for SAW and GMAW	Large welding group whose Pantheon CB column-and-boom family comes in standard, heavy and ultra-duty classes.	Pantheon CB-SD 150 kg, CB-HD 400 kg and CB-UD 1,000 kg at 300 mm	One HMI runs manipulator, welding and turning equipment; spec sheet E10.485 published	Quoted as a turnkey package; Ultra Duty payload varies by application.	www.lincolnelectric.com
10	Gullco International	Newmarket, Ontario, Canada	1954	compact powered manipulators for pipe and small tank shops	Family-owned Canadian maker of welding carriages, bevelers and positioners that also sells the Porta Welder manipulator system.	Porta Welder: 150 lb boom, 40 in mast travel, 115 V	Forklift-movable 4×4 ft base with room for a power source; in-house manufacturing	Single small model; not suited to vessel or wind-tower work.	www.gullco.com
11	Pemamek	Loimaa, Finland	1970	wind-energy and shipbuilding welding production lines	Finnish welding and production-automation provider whose PEMA column-and-boom manipulators come in MD, HD and EHD families.	MD, HD and EHD families; HD 7×7 vertical reach 45–320 in	Welding-parameter library and remote service access; strip cladding and multi-arc SAW listed	No boom-end load is published; sold mainly inside complete cells and lines.	pemamek.com
12	ESAB	North Bethesda, Maryland, USA	1904	submerged-arc column-and-boom systems with retrofit support	Global welding group whose CaB column-and-boom systems sit inside its submerged-arc welding automation range.	CaB 600M with 6, 7 or 8 m booms; CaB 460M	Configured with a representative, then assembled and installed at the customer's workshop; retrofits other brands	Boom-end payload and stroke tables are not published; leaflets come through a representative.	esab.com
13	AMET	Rexburg, Idaho, USA	1989	controller-integrated systems built around its own XM and XPro controllers	Idaho integrator of automated welding systems that designs its own XM and XPro controllers and builds column-and-boom manipulators.	Standard 150–600 kg with 1–4 m strokes; heavy duty 300–650 kg with 4–7 m	Own controller hardware and software; servo-upgradeable axes; company says 500+ systems built	Capped at 650 kg; standard motions are positioning-only.	ametinc.com
14	IRCO Automation	Burlington, Ontario, Canada	1963	customised arc positioning with tracking, vision and controls	Canadian integrator of weld positioning equipment and welding automation which says its installed base exceeds 18,000 projects.	Standard and custom-sized weld manipulators; spec sheet by request	Tracking, vision and control integration; defence, railcar, shipbuilding and energy references	No standard model table or load rating is published; every system is quoted per project.	ircoautomation.com
15	United ProArc	Taoyuan City, Taiwan	1966	pipe-class 2×2 to 6×6 m manipulators sold with welding packages	Taiwanese maker of CNC cutting and welding automation equipment that says it sells in more than 65 countries, with an MP column-and-boom series.	MP-20 to MP-60: 2×2 to 6×6 m, 100–200 kg boom load	Published spec table with speeds and power supply; pairs with own positioners and ServoArc packages	Only 100–200 kg boom load; main business is CNC cutting.	www.proarc.com.tw
16	WuXi Fengwei	Wuxi, Jiangsu, China	2002	medium-duty column-and-booms from 1,200×3,500 to 8,000×8,000 mm	Wuxi maker of cutting and welding machinery with a nine-size column-and-boom range and a US office in New Jersey.	Nine sizes, 1,200×3,500 to 8,000×8,000 mm, all labelled medium duty	Fixed or travel base; rental products; US office in Piscataway, New Jersey	No load or speed is published for any size; all nine models are labelled medium duty.	www.wxfengwei.com
17	YOMI CNC	Jinan, Shandong, China	2012	manipulators bought as part of steel-structure welding lines	Jinan cutting and welding equipment maker with a South African branch and a standard 2–8 m column-and-boom range.	2–8 m travel on both axes; 100–500 kg load	Sold with H-beam and pipe-cutting lines; ±180° column rotation; speed ranges published	Maximum 500 kg equally distributed load on every model.	www.yomicnc.com
18	Sanhong Machinery	Wuxi, Jiangsu, China	Not publicly disclosed	medium-duty MM-series booms for SAW, MIG, TIG and plasma	Wuxi manufacturer which says it exports about half of its output to more than 30 countries, with eleven MM-series column-and-boom models.	MM2020 to MM4545: 4.5 m maximum stroke, 150 kg front and rear	Telescope speeds of 200–2,000 mm/min published; single-arc SAW, MIG, TIG and plasma options	Only a medium-duty line is published: 150 kg.	en.wxsanhong.com
19	Bota Welding	Luoyang, Henan, China	Not publicly disclosed	long-reach 4×4 to 12×12 m booms	Luoyang manufacturer of heavy-duty BCZZ column-and-boom welding manipulators.	BCZZ heavy duty: 4×4 to 12×12 m; 200–300 kg at boom end	Heavy-duty BCZZ line reaches 12×12 m with a 1,000 mm/min lifting speed	'Heavy duty' means reach: 200–300 kg at every size.	www.bota-welding.com
20	MISA	Wuxi, Jiangsu, China	Not publicly disclosed	LH-series booms ready for tandem and narrow-gap integration	Wuxi manufacturer of welding rotators, positioners and LH-series column-and-boom manipulators in fixed and motorised-moving types.	LH-1515 to LH-9090; typical 2–6 m vertical, 2–8 m horizontal	Names SAW, MAG, GMAW and Force-TIG processes; wireless pendant with a 300 ft working area	Published payload is 50–300 kg+; per-model load is not given in the page text.	www.misamfg.com

This table is a screening aid. Use it with the checks to run before shortlisting, which are listed under How to choose a welding manipulator manufacturer.

System manufacturers with their own column-and-boom ranges

Column-and-boom welding manipulator beside a positioner: a system manufacturer sells the complete cell.

Heavy fabrication usually rewards a supplier that defines the complete cell. That cell covers the manipulator structure, welding head, rotator or positioner, travel path, guarding, flux handling, controls and commissioning. The eight companies in this group build the manipulator as a main product line, from portable units to extra-heavy booms, and buying routes include rental, lease and hire as well as outright purchase. Lincoln Electric, ESAB and Pemamek, which sell the manipulator inside a wider welding system, are grouped in the next section.

1. Aubrik: Best for column-and-boom manipulator packages for heavy fabrication lines

Headquarters: Wuxi, Jiangsu, China · Founded: 1999 · Type: system manufacturer

Official website: aubrikmc.com

Main products: AM-CB-30, AM-CB-40, AM-CB-50 and AM-CB-60 column-and-boom manipulators; welding positioners, turntables and rotators

Published scope: AM-CB-30 to AM-CB-60: 3×3 to 6×6 m column-and-boom classes

Certifications: Aubrik states ISO 9001 and CE on its site

Aubrik publishes its column-and-boom range as four AM-CB classes: the AM-CB-30 (3×3 m, 150–500 kg boom-end load), AM-CB-40 (4×4 m, 300–800 kg), AM-CB-50 (5×5 m, 500–1,200 kg) and AM-CB-60 (6×6 m, 800–2,000 kg), all with weld travel speeds of 120–3,000 mm/min, as stated on its product page. SAW, MIG and TIG/GTAW with cladding are listed as supported processes on the same platform, and positioners, turntables and rotators are offered for workpiece handling, backed by a 12-month warranty, free installation and operator training as the same product page states. The four published classes stop below 7×7 m, and larger layouts or rail-mounted travel cars are available on request. Published dimensions, load envelopes and available automation options vary by configured model. The product page gives each boom-end load as a range without a stated measuring point.

2. Key Plant Automation: Best for extra-large column-and-boom envelopes, bought or hired

Headquarters: Leek, Staffordshire, UK · Founded: 1956 · Type: system manufacturer

Official website: www.keyplant.com

Main products: mobile pipe (MP), standard-duty SD, extra-heavy EHD, telescopic and platform column-and-boom manipulators

Published scope: SD envelopes 2×2 to 7×7 m; EHD envelopes 7×7 to 15×15 m

Certifications: UL/CSA accreditation for factory automation equipment as stated by the company; pendants supplied to CE or UL standard

Key Plant sizes its standard-duty SD series from 2×2 m to 7×7 m and its extra-heavy EHD series from 7×7 m to 15×15 m, with a counterbalanced boom carriage and two-rope column control on the largest machines. Its page lists SAW, GTAW, GMAW and K-TIG weld processes, integrated into systems such as narrow-gap welding. That reach, together with the option to buy, lease or hire, suits fabricators who must cover tank shells or wind-tower sections without owning the equipment outright; the company says its largest build is a 15×10 m unit it designed, made and installed. The catch is documentation: no boom-end payload is published for any series, and a machine can be supplied as steelwork only, so the welding head and flux system must be specified separately.

3. Preston Eastin: Best for heavy-duty US-built manipulators with powered travel cars

Headquarters: Tulsa, Oklahoma, USA · Founded: 1972 · Type: system manufacturer

Official website: www.prestoneastin.com

Main products: Whitetail 200, light, medium, heavy and super heavy duty manipulators, travel cars, cross slides, turning rolls and headstocks

Published scope: MA-44 LD to MA-1818 SHD: 4×4 to 18×18 ft strokes

Owned by SMX Industrial Solutions since 2025, Preston Eastin builds five duty classes at its Tulsa plant, from the Whitetail 200 Series (200–400 lb) to the super heavy MA-1818 SHD with an 18×18 ft stroke and a 1,100/2,200 lb rating as printed on its spec sheet. Heavy units ride on powered TCP-56 or TCP-84 travel cars on crane-rail sections, and the manipulators accept any make of welding head, which suits shops standardising on one head type. The spec sheet lists 115 V and 240/480 V supplies only, and the company describes its service area as the United States and North America.

4. Koike Aronson / Ransome: Best for modular manipulators from 150 lb to 3,000 lb

Headquarters: Arcade, New York, USA · Founded: 1918 (Koike, Tokyo) · Type: system manufacturer

Official website: www.koike.com

Main products: Cricket-I and Cricket-II, Locust, chain-lift and Scarab manipulators; Ransome manipulators, positioners and turning rolls

Published scope: Cricket-I at 150 lb up to Scarab at 3,000 lb standard families

Certifications: ISO 9001 stated for Koike Aronson, Inc.

Rooted in Koike's 1918 Tokyo origins and Aronson Machine's 1946 works in Arcade, New York, the Koike Aronson group sells manipulators across a wide load ladder: Cricket-I at 150 lb, Cricket-II at 500 lb, the Locust series up to 600 lb, chain-lift models up to 750 lb and the Scarab up to 3,000 lb, alongside the Ransome range it acquired in 2001. Cricket-I is built in the USA with a two-year warranty and lifetime remote customer service, according to the company. Standard families top out at the 3,000 lb Scarab, and the company's own sizing guide says ratings vary with lift and reach and may be quoted at the boom head, aft end or centreline. Because Koike Aronson sells each manipulator model together with positioners, turning rolls and other fabrication equipment, a shop can specify the manipulator and its workpiece handling from one catalogue.

5. Pandjiris: Best for standard 4 ft to 16 ft stroke manipulators with turnkey systems

Headquarters: St. Louis, Missouri, USA · Founded: 1946 · Type: system manufacturer

Official website: www.pandjiris.com

Main products: manipulators in six standard sizes, positioners, turning rolls, seamers, grippers, slides and controllers

Published scope: Six standard sizes: 4 ft stroke at 300 lb to 16 ft at 2,200 lb

Pandjiris has designed and manufactured weld tooling and positioning equipment since 1946 and makes it at one St. Louis site of more than 46,000 sq ft of office, warehouse and production space. Its catalogue lists six standard manipulator sizes, from a 4 ft stroke rated at 300 lb to the 1600 model with a 16 ft stroke and 2,200 lb, and the company also offers turnkey systems for pipe, tank and vessel work. Anything beyond the 1600 isn’t a catalogue item, and manipulators are one of twelve product groups on its home page, alongside positioners and turning rolls, so wind-tower-scale work needs a custom discussion.

6. LJ Welding Automation: Best for portable to 16×16 ft manipulators with rental and lease stock

Headquarters: Edmonton, Alberta, Canada · Founded: 1976 · Type: system manufacturer

Official website: www.ljwelding.com

Main products: MNP, MN6, MN9 and MN12 column-and-boom manipulators and pipe-welding systems

Published scope: MNP-600 portable to MN16-100 (16×16 ft); 250–500 lb boom-end ratings

Certifications: LJ states ISO 9001 certification and APEGA-certified engineering company status; equipment built to CSA/UL, with CE on request

LJ lists ready-to-quote models from the MNP-600 portable (4×5 ft, 250 lb) through the MN12-200 (12×12 ft, 500 lb at the boom end), and the MN12-200 ships with laser-vision seam tracking and camera monitoring as standard. The largest model, the 16×16 ft MN16-100, has a lower boom-end rating than the mid-size models. Because the company says it keeps more than 5,000 pieces of equipment for sale, rent or lease with no lead time and exports to 56 countries, it suits shops that need a unit quickly or want to test a process before buying. The published ratings stay at 250–500 lb across every size up to 16×16 ft.

7. MITUSA: Best for compact 4×4 to 16×16 ft units set up quickly in changing cells

Headquarters: Huntington Park, California, USA · Founded: Not publicly disclosed · Type: system manufacturer

Official website: mitusaproducts.com

Main products: MITUSALATOR column and swivel-boom manipulators, travel cars and track, longitudinal seamers, planishers and side-beam systems

Published scope: Seven sizes, 4×4 to 16×16 ft; 500 lb boom capacity

MITUSA builds its MITUSALATOR unitized column and swivel-boom manipulator in Huntington Park, California, in seven standard sizes from 4×4 ft to 16×16 ft, with custom sizes and lengths available. The boom can be swung in line with the column for quick set-up in a changing weld cell, a patent-pending design according to the company, and the in-house shop lists Haas machining centres, CNC plasma cutting and a 40 ft paint booth. One capacity class, 500 lb at full boom reach, is published for every size, and the page lists no higher rating.

8. Kistler Machine: Best for stationary or rail-traversing booms from 2×2 to 6×5 m

Headquarters: Bad Saulgau, Germany · Founded: 1966 · Type: system manufacturer

Official website: kistler-machine.com

Main products: 2/RMB and 3/RMB medium-duty and RC/TRC heavy-duty column-and-boom manipulators

Published scope: 2/RMB and 3/RMB medium duty; RC and TRC heavy duty to 6×5 m

Kistler Machine, based in Bad Saulgau, Germany, publishes column-and-boom ranges from 2×2 m medium-duty units up to heavy-duty RC and TRC machines reaching 6×5 m, each available stationary or traversing on rails, with a counter-balanced boom, an anti-fall device and 360° column rotation. The company says it has sold more than 5,000 machines and exports about 80% of production, and a 2018 Bad Saulgau city journal calls it a specialist in welding-positioning and cutting machines, especially for pipe. Public tables show only 120–430 kg for the medium-duty line, falling to 200 kg at 5 m reach, and the heavy-duty tables give no load rating at all.

Platform manufacturers and engineered welding cells

A welding manipulator connected to power source, seam tracker, rotator, safety circuit and one controller.

Some projects are won with control architecture and process packages rather than with the tallest column. These manufacturers describe process integration, tracking, cladding, flux recovery, travel carts or custom automation. Most of them quote the manipulator together with a power source, controller or integration package, so the scope of supply matters as much as the boom size. Lincoln Electric, for example, quotes the manipulator with its welding power source, flux recovery and seam tracker. Lincoln Electric and ESAB are welding equipment manufacturers first, so their manipulators sit beside the welding machines a shop may already run.

9. Lincoln Electric: Best for controller-integrated column-and-boom cells for SAW and GMAW

Headquarters: Cleveland, Ohio, USA · Founded: 1895 · Type: platform manufacturer

Official website: www.lincolnelectric.com

Main products: Pantheon CB-SD, CB-HD and CB-UD column-and-boom manipulators with PowerWave equipment, flux recovery and seam-tracking options

Published scope: Pantheon CB-SD 150 kg, CB-HD 400 kg and CB-UD 1,000 kg at 300 mm

Lincoln Electric's Pantheon CB family comes in Standard, Heavy and Ultra Duty classes rated 150, 400 and 1,000 kg measured 300 mm from the boom end, with effective strokes from 6 ft on the Standard Duty to 26.2 ft on the Ultra Duty. A Pantheon HMI lets one operator run the manipulator, the welding equipment and the turning equipment from a single controller, which is the main reason to shortlist it for submerged-arc or GMAW cells where one programme must coordinate everything. Every system is quoted as a package of size, power source, flux recovery and seam tracking, and the Ultra Duty payload is marked as varying with the application.

10. Gullco International: Best for compact powered manipulators for pipe and small tank shops

Headquarters: Newmarket, Ontario, Canada · Founded: 1954 · Type: platform manufacturer

Official website: www.gullco.com

Main products: Porta Welder manipulator system, KAT and MOGGY carriages, oscillators, turning rolls, weld positioners and plate bevelers

Published scope: Porta Welder: 150 lb boom, 40 in mast travel, 115 V

Gullco, founded in 1954 in Ontario and still family-owned, sells one manipulator: the Porta Welder, a powered telescoping boom and mast with a 150 lb boom capacity, an 87 in boom, 40 in of mast travel and a 4×4 ft base that carries the power source and moves on forklift pockets, running on 115 V. The company positions it for pipe and small tank manufacturers or as support for larger dedicated systems, and says it does most manufacturing in-house after investing more than $12 million in CNC equipment. Because the range is a single compact unit, it can’t serve large vessel or wind-tower fabrication.

11. Pemamek: Best for wind-energy and shipbuilding welding production lines

Headquarters: Loimaa, Finland · Founded: 1970 · Type: engineered integrator

Official website: pemamek.com

Main products: PEMA MD, HD and EHD column-and-boom manipulators and integrated welding-production lines

Published scope: MD, HD and EHD families; HD 7×7 vertical reach 45–320 in

Certifications: ISO 14001:2015 and ISO 45001:2018 management-system certificates; column-and-boom page describes CE markings

Pemamek designs each PEMA column and boom in-house and builds it at its factory in Loimaa, Finland, in medium-, heavy- and extra-heavy-duty families: the HD 7×7 lists a vertical reach of 45–320 in, and the EHD 10×10 a working range of up to 32 ft for multi-wire submerged-arc, strip cladding and narrow-gap work. Control packages store a welding-parameter library and give PEMA service remote access, and customer stories cite offshore-wind and frigate production. Pemamek describes its automated welding operations as a complete welding solution for heavy industrial applications, with hard automation cells and welding lines for tubular parts such as wind tower parts and foundations, which suits large line projects better than a single stand-alone machine.

12. ESAB: Best for submerged-arc column-and-boom systems with retrofit support

Headquarters: North Bethesda, Maryland, USA · Founded: 1904 · Type: platform manufacturer

Official website: esab.com

Main products: CaB 460M and CaB 600M column-and-boom systems, Telbo telescopic booms and submerged-arc welding automation

Published scope: CaB 600M with 6, 7 or 8 m booms; CaB 460M

Certifications: ESAB Group management system certified to ISO 9001:2015, ISO 14001:2015 and ISO 45001:2018 (certificate valid 2026–2029)

ESAB publishes its CaB 600M with 6, 7 or 8 m booms (total boom weights of 1,050, 1,165 and 1,280 kg) and a CaB 460M on a rail carriage, concrete stand or foot plate, configured with an ESAB representative and then assembled and installed at the customer's workshop. Its service group also retrofits existing submerged-arc column-and-boom equipment of any brand, and the Telbo three-section boom is aimed at wind-tower circumferential welds. The CaB systems sit inside ESAB's submerged-arc automation range, so they suit SAW cells rather than other welding processes.

13. AMET: Best for controller-integrated systems built around its own XM and XPro controllers

Headquarters: Rexburg, Idaho, USA · Founded: 1989 · Type: engineered integrator

Official website: ametinc.com

Main products: column-and-boom manipulators, turning rolls, turntables, positioners and travel carts

Published scope: Standard 150–600 kg with 1–4 m strokes; heavy duty 300–650 kg with 4–7 m

AMET's standard column-and-boom series carries 150–600 kg at the boom end with 1–4 m strokes, and its heavy-duty series reaches 650 kg with strokes up to 7 m, with ratings calculated 300 mm from the boom end. The company designs its own XM and XPro controllers, which let one controller coordinate the manipulator and process equipment, and says it has built more than 500 welding systems. Standard boom and lift motions are meant for positioning only, so programmable motion needs the controller or servo upgrade, and 650 kg is the highest boom-end rating AMET lists.

14. IRCO Automation: Best for customised arc positioning with tracking, vision and controls

Headquarters: Burlington, Ontario, Canada · Founded: 1963 · Type: engineered integrator

Official website: ircoautomation.com

Main products: weld manipulators (column and boom), head stocks, pipe rotators and integrated welding automation

Published scope: Standard and custom-sized weld manipulators; spec sheet by request

IRCO has designed and built integrated welding automation since 1963 and says its installed base exceeds 18,000 projects for Fortune 1,000 customers in oil and energy, railcar, shipbuilding and defence. Its manipulators can carry customised, calibrated welding, tracking, vision and control systems, and the company lists a defence automation case study. IRCO publishes no standard model table or load rating for its column-and-boom manipulators, so size and boom-end load are settled only through a project quotation.

15. United ProArc: Best for pipe-class 2×2 to 6×6 m manipulators sold with welding packages

Headquarters: Taoyuan City, Taiwan · Founded: 1966 · Type: engineered integrator

Official website: www.proarc.com.tw

Main products: MP-20 to MP-60 column-and-boom manipulators, positioners, turning rolls and ServoArc welding packages

Published scope: MP-20 to MP-60: 2×2 to 6×6 m, 100–200 kg boom load

United ProArc's MP column-and-boom series runs from the MP-20 (2×2 m stroke, 100 kg boom load) to the MP-60 (6×6 m, 150 kg), with a 1,200 mm/min lifting speed and boom speeds of 250–2,500 mm/min on 220/380 V three-phase supply. The Taiwanese maker, established in 1966 and saying it sells in more than 65 countries, pairs the manipulators with its own positioners, turning rolls and ServoArc welding packages. The MP range is pipe-class equipment, with published boom loads of 100–200 kg.

Regional specialists with published manipulator ranges

Rail-mounted column-and-boom manipulator with turning rolls: regional specialists are judged on service, spares and documentation.

These are focused makers with a documented product family: WuXi Fengwei keeps an office in New Jersey, YOMI CNC has a branch in South Africa, and Sanhong says it exports about half of its output. Within the group, the choice runs from medium-duty booms to long-reach units. WuXi Fengwei and YOMI CNC build their manipulators beside their own cutting equipment, which suits a shop that already runs welding and cutting technologies from the same maker.

16. WuXi Fengwei: Best for medium-duty column-and-booms from 1,200×3,500 to 8,000×8,000 mm

Headquarters: Wuxi, Jiangsu, China · Founded: 2002 · Type: regional specialist

Official website: www.wxfengwei.com

Main products: column-and-boom welding manipulators alongside laser, plasma and bevel-milling cutting equipment

Published scope: Nine sizes, 1,200×3,500 to 8,000×8,000 mm, all labelled medium duty

Certifications: ISO 9001:2008 as stated on the site (an edition no longer valid for certification)

WuXi Fengwei lists nine fixed or travelling column-and-boom sizes, from 1,200×3,500 mm to 8,000×8,000 mm, all labelled medium duty, with 360° rotation and SAW, GTAW or GMAW options. Founded in 2002, it offers rental units, an office in Piscataway, New Jersey, and claims exports to more than 30 countries from a 40,000 m² production base. The site lists no boom-end load or speed for any size.

17. YOMI CNC: Best for manipulators bought as part of steel-structure welding lines

Headquarters: Jinan, Shandong, China · Founded: 2012 · Type: regional specialist

Official website: www.yomicnc.com

Main products: automatic column-and-boom welding manipulators beside H-beam welding lines and pipe-cutting machines

Published scope: 2–8 m travel on both axes; 100–500 kg load

YOMI CNC, headquartered in Jinan, Shandong, publishes a column-and-boom range with 2–8 m travel on both axes, loads of 100–500 kg (stated as maximum equally distributed load), ±180° column rotation and horizontal speeds of 140–1,400 mm/min. Because the machines sit beside the company's steel-structure welding lines, H-beam lines and pipe cutting, a fabricator can buy a manipulator as part of a line, and an overseas branch operates in Kempton Park, South Africa. The manipulator is an auxiliary product of a CNC plasma and steel-structure builder, and 500 kg is the top of its published load range.

18. Sanhong Machinery: Best for medium-duty MM-series booms for SAW, MIG, TIG and plasma

Headquarters: Wuxi, Jiangsu, China · Founded: Not publicly disclosed · Type: regional specialist

Official website: en.wxsanhong.com

Main products: MM-series column-and-boom manipulators

Published scope: MM2020 to MM4545: 4.5 m maximum stroke, 150 kg front and rear

Certifications: ISO 9001:2008 as stated (an edition no longer valid for certification) (first certified 2009); Jiangsu High-Tech Enterprise 2014

Sanhong's MM series, eleven models from the MM2020 to the MM4545, offers a 4.5 m maximum boom stroke and under-boom height, 150 kg at both boom front and rear, telescope speeds of 200–2,000 mm/min and ±180° column rotation for SAW, MIG, TIG and plasma combinations. The company says it exports about half of its output to more than 30 countries and moved into a 10,000 m² plant started in 2016. Only this medium-duty line has been published.

19. Bota Welding: Best for long-reach 4×4 to 12×12 m booms

Headquarters: Luoyang, Henan, China · Founded: Not publicly disclosed · Type: regional specialist

Official website: www.bota-welding.com

Main products: heavy-duty BCZZ column-and-boom welding manipulators

Published scope: BCZZ heavy duty: 4×4 to 12×12 m; 200–300 kg at boom end

Bota's heavy-duty BCZZ series spans 4×4 m to 12×12 m lifting and retracting ranges with a 1,000 mm/min lifting speed, and the company shows Lincoln Electric, Andritz, Sinopec, PetroChina, Sany and CIMC logos under the heading Trusted by Global Clients. In this series 'heavy duty' describes reach rather than payload: the spec table rates every size at 200–300 kg at the boom end.

20. MISA: Best for LH-series booms ready for tandem and narrow-gap integration

Headquarters: Wuxi, Jiangsu, China · Founded: Not publicly disclosed · Type: regional specialist

Official website: www.misamfg.com

Main products: LH-series column-and-boom manipulators, welding rotators and positioners

Published scope: LH-1515 to LH-9090; typical 2–6 m vertical, 2–8 m horizontal

MISA, a Wuxi manufacturer, lists LH-series column-and-boom manipulators from the LH-1515 to the LH-9090 in light, heavy-duty, fixed and motorised-moving types, with typical ranges of 2–6 m vertical stroke and 2–8 m horizontal reach on a 380 V, 50 Hz three-phase supply. Its product page names SAW, MAG, GMAW and Force-TIG processes and says the manipulator can be integrated into tandem and narrow-gap systems, with wired or wireless pendants. Published payload capacity is 50–300 kg+ on the category page.

How to compare new, used and rented welding manipulators

New, used and rented welding manipulators compared by what each route offers.

New and used welding manipulators move through dealers. Weld Plus and Mitrowski Welding list new and used welding manipulators from Preston Eastin, Pandjiris, Koike Aronson and Ransome, Weld Plus shows a used Jetline welding manipulator in a 6×6 ft size, and both dealers offer rental packages. A used Preston Eastin or Pandjiris 12×12 welding manipulator can serve structural steel fabrication and pressure vessel fabrication, while a new Cricket-II manipulator or a Lincoln Electric Pantheon unit comes with current controls and manufacturer support. For a used unit, ask the dealer about controller generation, drive and spare-part availability, a readable rating plate and the rebuild scope. A dealer sells other brands' equipment, which is why this guide lists manufacturers only.

Dealer pages show what the used and rented routes look like in practice. Weld Plus says it will rebuild a unit to fit the needs of the shop, upgrade existing equipment and rent a machine for a specific job, while Mitrowski Welding rents manipulator and welding-equipment packages on a one-month minimum with no maximum, offers a rent-to-own program, and lists packages that can include a subarc power source, controller and flux recovery system.

Advanced welding manipulators add seam tracking, cameras and process monitoring, so a used unit that predates this welding manipulator technology may need a controller upgrade. A rental lets a shop test a process on its own parts before committing.

A new unit can come with a manufacturer warranty, while a used unit relies on a dealer rebuild and a rental on the rental terms above.

How to choose a welding manipulator manufacturer

Seven steps for choosing a welding manipulator manufacturer, from weld envelope to service ownership.

1. Start with the weld envelope

Define the largest and smallest workpieces, weld seam height, diameter, length, joint orientation, and required torch angle. State whether the boom must enter a vessel, clear a flange, pass over insulation, or reach a longitudinal seam. A nominal stroke is useful only when the column height, boom extension and torch offset are known together. Welding manipulators provide the reach for tank welding and heavy-duty welding, and boom reach also drives the quotation, because a longer boom needs a heavier column, base and travel path. List the welding applications on the floor, such as circumferential seams on vessels or longitudinal seams on tanks, and the welding environments, such as a crowded shop or an outdoor tower yard, before comparing reach. Manipulator selection starts with the fabrication needs of the shop, not with the catalogue.

2. Check payload, moment and deflection

Payload is not the same as useful boom-end capacity: when asking for the boom capacity, don’t forget to define the weight of the weld head, torch, cables, tracker, flux hopper and any tooling. After defining all these, determine the moment at the stated extension, and request allowable deflection and repeatability at the actual extension. For a long boom, a small deflection can become a visible seam-tracking problem even when the static load appears acceptable. The right welding manipulator is the one whose rating covers the heaviest seam in the workflow, not the average one.

3. Match the process package

SAW, GMAW, GTAW, FCAW, PAW, and cladding have different torch, cable, flux and cooling requirements. Different welding processes also change the answer on flux handling and gas supply. Specify wire diameter, current range, duty cycle, travel speed, oscillation, seam tracking, and flux recovery. If the supplier lists process compatibility but no tested procedure, ask for a representative weld procedure or a factory acceptance test plan. Ask which customization options the maker offers, such as a turnkey package or steelwork only.

4. Define interfaces with rotators and positioners

Most manipulators are part of a larger automated cell. In submerged arc welding, for example, a sub-arc manipulator holds the welding torch or head at a steady stand-off while rotary welding positioners turn the workpiece beneath it. Confirm synchronization signals, encoder or speed feedback, emergency stops, permissives, interlocks and recipe storage between the manipulator and the turning rolls or positioner. Determine who supplies the master PLC and who owns the interface test. A mechanically compatible system can still cause commissioning delays due to an undefined controls boundary.

5. Review guarding, utilities and documentation

Ask for floor loading, anchoring, and electrical supply. Also ask for compressed air, cooling water, fume extraction, access platforms, guarding, and cable management. The quotation should identify manuals, electrical drawings, spare-parts lists, recommended wear parts, software backups and language options. These details are often more valuable than an extra metre of advertised stroke.

6. Use FAT and SAT to make performance measurable

Give precedence to defining acceptance criteria rather than leaving them until after the purchase order. Travel accuracy, speed range, repeatability, torch alignment, interlock behavior, emergency-stop response, requirements for weld samples and data to be recorded are some of the criteria to be defined. Repeat the agreed checks at site acceptance testing after installation. If a supplier fails to put a measurable criterion in the acceptance plan, it should be assessed as a commercial and technical risk.

7. Compare service ownership, not only the machine

Ask where the machine is built, which parts are proprietary, who answers service calls, and what the warranty covers. Confirm the response time, availability of remote diagnostics, on-site commissioning and operator training. Check the route for obsolete drives and controllers. A local integrator may be the best choice when downtime costs more than a modest difference in equipment price. Downtime costs differ by buyer: a metal fabrication shop can usually reschedule a stopped job, whereas an equipment manufacturing line that feeds assembly cannot.

Frequently asked questions

Which manufacturer is best for pressure-vessel or pipe welding?

There’s no universal best supplier. For pressure vessels and tanks, Key Plant Automation, Lincoln Electric, ESAB and Pemamek publish submerged-arc column-and-boom evidence; for pipe, LJ Welding Automation and Gullco list compact units and United ProArc sizes its MP series for pipe-class work, while Aubrik offers AM-CB classes up to 6×6 m.

Who is the largest welding manipulator manufacturer in the world?

No source publishes a verified ranking of manipulator makers by size or output, so treat any claim to be the largest as a company statement. By published envelope, Key Plant Automation lists the widest standard range in this guide, up to 15×15 m, with Bota Welding next at 12×12 m, and Preston Eastin’s 18×18 ft stroke is the smaller envelope in metric terms. Load ratings are not ranked here, because each company states them at a different measuring point, and Lincoln Electric, for example, rates its Pantheon CB at 300 mm from the boom end.

How much does a welding manipulator cost?

A welding manipulator's price depends on stroke, boom-end load, travel base, controls, process package and installation scope, so no single figure applies. Public pages rarely list prices; request quotations for the same drawing, process and acceptance tests, and compare the supplied scope line by line, including guarding, flux recovery, seam tracking and training.

What is the difference between a manufacturer and a welding automation supplier?

A manufacturer publishes or controls the design and build of the manipulator. An integrator or supplier may combine equipment from several brands, add controls and commission the cell. The contract should define the party responsible for mechanical design, software, safety validation, spare parts and after-sales support.

What should be included in a welding manipulator RFQ?

Provide drawings, range of workpieces, weld maps, processes and consumables, torch and tracker details, duty cycle, required travel and speed, load and moment, floor and utility data, guarding, controls, FAT/SAT criteria, documents, training, warranty and service location. Ask every bidder to mark standard, optional and engineered items.

Can a manipulator be integrated with a robot or seam tracker?

Often yes, but the engineering boundary must be explicit. A manipulator positions the welding head along a path set by the operator or controller, while a robot follows a taught path with more axes of motion and different load and reach limits. Automated welding manipulators suit long straight or circular seams on large parts, whereas precision welding in specialized welding cells, the territory of robotic welding, needs the extra axes of a robot. Consider communications, safety circuits, coordinate systems, teach modes, encoder feedback, recipe handling, and who validates the combined cell. Product pages referring to tracking or controls are useful signals, but don’t prove a specific robot, tracker or weld power source is plug-and-play.

Match the manufacturer to the project

Three supplier groups matched to the project inputs a buyer should define first.

Different manufacturers suit different jobs: heavy-fabrication column-and-boom systems, engineered welding cells and regional automation specialists each have a place. The best match for your welding process is the one whose published envelope, load rating and service fit your workpiece: check the boom-end moment and the torch package against the rated envelope first, because a well-matched manipulator can increase productivity and weld quality only inside it. For a heavy-fabrication line, review Aubrik’s welding manipulator and column-and-boom range and its welding manipulator guide, then send drawings or requirements, annual volume, materials and specifications, and your expected delivery date to request a technical assessment or quotation.