Welding shops in Ontario

537 shops in Ontario list welding on OMN. 9 are managed by their owners. 100 hold ISO 9001 and 28 hold CWB W47.1.

Avicam Technologies Inc.

ListedOMN-DAE0FF8BLondon, ONTARIOEst. 2009

Custom manufacturer of automation solutions. Capabilities include fabrication, prototyping, additive manufacturing (3D printing), MIG or TIG welding, CNC milling, and turning. Specializing in automation systems, machinery, jig, and fixtures. Distributor of collaborative robots and pneumatic vises.

CNC Machining / Sheet Metal Fabrication / Welding+2
Materials Carbon Steel, Stainless, Plastics
ISO 9001

CBM

ListedOMN-7AAA95F5Milton, ONEst. 1927

Custom manufacturer of kiosks, digital signage or sheet metal enclosures, and outdoor cabinetry. Self-serve, wayfinding, freestanding, and interactive kiosks are provided. Standard cash drawers and safes are available. Capabilities include MIG, TIG, spot, and autonomous robotic welding, precision machining, laser cutting, punching, and forming. Works with mild steel, stainless steel, and aluminum materials. Plating, polishing, powder coating, and assembly services are offered. PEM and hardware insertion services are also provided. Serves retail, automation, and technology sectors.

CNC Machining / Sheet Metal Fabrication / Laser Cutting+2
Materials Aluminum, Stainless, Carbon Steel
No certs listed

Concurrent Manufacturing Solutions

ListedOMN-A130BE87Waterloo, ONEst. 2024

Custom manufacturer of tubular and metal wire components for the automotive industry. Products include gauges, jigs, fixtures, and molds. Capabilities such as precision machining, manufacturing, CNC wire bending, turning, spot welding, and milling are provided. Stamping and fabrication services are also available. Product design, research and development, and supply chain management are offered as secondary services.

Sheet Metal Fabrication / Welding / Tool & Die
Materials Carbon Steel, Stainless, Aluminum
ISO 9001

Custom Contract Manufacturing (CCMS)

ListedOMN-0BDF66F1Bolton, ONEst. 2021

Custom Contract Manufacturing (CCMS) is a precision machining company specializing in large, heavy, and geometrically complex components that require multiple machining operations and precise tolerances. We partner with OEMs and manufacturers across a wide range of industries to deliver prototype, low-volume, and production machining projects. Our capabilities include CNC horizontal boring mills, CNC milling, turning, fabrication, and assembly, allowing us to manage complex components from raw material through finished part. We are particularly well suited for challenging workpieces that demand precision, rigidity, and efficient manufacturing processes. Whether supporting critical production, replacement components, or custom manufacturing projects, our experienced team is committed to delivering exceptional quality, reliable lead times, and responsive customer service. At CCMS, we build long-term partnerships by combining technical expertise with practical manufacturing solutions to help our customers solve their most demanding machining challenges.

CNC Machining / Welding
Materials Aluminum, Stainless, Carbon Steel
Tol 0.001"
No certs listed

Echo-Tech Machine & Tool Ltd.

ListedOMN-14F82B6BSt. Marys, ONEst. 2008

Proudly servicing the defense, aerospace, transportation, nuclear, and advanced industrial sectors, Echo-Tech Machine & Tool Ltd. has been a trusted partner since 2008. We deliver high-precision CNC machining, welding, and custom manufacturing solutions for complex, tight-tolerance components. With over 15 years of experience supporting high-performance and technically demanding projects, we are committed to superior quality, customer service, and on-time delivery. Custom manufacturer of jigs, fixtures and tools. Capabilities include prototyping, CNC machining, milling, drilling, sawing, welding, heat treating and lathe work. Markets served include automotive and commercial sectors.

CNC Machining / Welding / Metal Finishing+2
Materials Armor Plate, Titanium, Inconel
ISO 9001 / CMMC Level 2 (Self) / NIST SP 800-171 / ITAR / Controlled Goods

Hi-Tech Machine & Tools Inc.

ListedOMN-9B4D512AToronto, ONEst. 1997

We are a full-service machine shop specializing in the manufacture of precision components. Our capabilities include CNC milling and turning, wire EDM, die manufacturing, fixtures, prototypes, rollers, spinning tools, and precision tooling. We also specialize in hard milling and hard turning of heat-treated materials, allowing us to produce high-precision components that meet demanding specifications. We understand that metal fabricators often require a dependable machining partner for precision-machined components, custom tooling, repair work, or overflow capacity. Whether you need machined parts to complement your fabrication projects or additional machining support to help meet production deadlines, our team is committed to delivering quality workmanship, competitive lead times, and reliable service.

Tool & Die / Welding / CNC Machining+1
Materials Stainless, Aluminum, Carbon Steel
Tol .0005
No certs listed

Inventure Engineering and Machinery Inc.

ListedOMN-66A6C3A7Barrie, ONEst. 2000

Machining and Metal fabrication services including welding. CNC machining services such as milling and turning are offered. Waterjet cutting services are available. Painting services are provided. Sandblasting services are also offered. Engineering services are also available. Markets Custom Engineered Solutions Specialty Machinery & Equipment Automotive – Material Handling, Robotics, Work Cells Military – Specialty Items & Products Oil & Gas – Energy Sector Fibre Optic – Wire & Cable, Communication, Power Distribution Packaging Equipment, Machinery for Flexible Packaging & Converting General Machining, Fabrication & Welding Infrastructure – Regional Projects & Construction Inventure provides manufacturing solutions for anyone requiring custom-built machinery, from specialized niche industries, to the automotive industry

CNC Machining / Sheet Metal Fabrication / Welding+1
No certs listed

TREBOR MANUFACTURING

ListedOMN-59DFFE34Ottawa, ON

Trebor Manufacturing provides custom metal fabrication and contract manufacturing services for customers requiring reliable, production-ready components and assemblies. Our in-house capabilities include: CNC laser cutting CNC press brake forming and bending MIG welding TIG welding Aluminum, mild steel and stainless steel fabrication Component and product assembly Prototype, short-run and production-volume manufacturing Production from customer-supplied drawings, DXF/STEP files and specifications Complete fabricated components and assemblies Experience manufacturing products for the transportation and industrial sectors We regularly work with aluminum alloys including 5052, 6061 and 3003, along with steel and stainless steel. Our manufacturing capabilities allow us to provide customers with more than individual laser-cut parts. We can take a project from raw sheet → laser cutting → forming → welding → assembly, helping customers reduce the number of suppliers involved in their production. Trebor Manufacturing is interested in subcontract manufacturing, overflow production, recurring production runs and new OEM opportunities.

Sheet Metal Fabrication / Laser Cutting / Welding
Materials Carbon Steel, Aluminum, Stainless
No certs listed

Taimco

ListedOMN-62607450Mississauga, ONEst. 2002

Custom manufacturer of metal fabricated products including racks, planters, benches, bollards, and BBQ grills. Table legs, gates, metal sculpture, and decor are available. Window awnings, well grates and covers, ladders, railings and fences, exhaust hoods, and tanks are provided. Chopping boards, countertops, grab bars, storage, and wire mesh are also offered. Fabrication services including TIG, MIG, or spot welding, plasma cutting, shearing, and stamping are available. Works with stainless steel, aluminum, brass, bronze, copper, and steel. Serves residential, institutional, commercial, and financial offices.

Sheet Metal Fabrication / Welding
Materials Aluminum, Stainless, Carbon Steel
No certs listed

3XT INC.

ListedOMN-4EE4F654Dunnville, ONEst. 2020

3XT is a precision machining company dedicated to delivering high-quality CNC manufacturing solutions for customers who value accuracy, consistency, and dependable service. We specialize in producing custom components, machine parts, tooling, and production solutions that meet strict engineering and quality requirements. Beyond machining, we provide end-to-end engineering and manufacturing support. Our team works closely with clients to develop design solutions, optimize components for manufacturability, and guide products from initial concept through to final production. We support product development by identifying the right manufacturing processes, materials, and production strategies to ensure efficient and scalable results.

CNC Machining / Welding / Metal Finishing+3
Materials Aluminum, Stainless, Carbon Steel
No certs listed

3d Mechanical

ListedOMN-AEE61809Brantford, ONEst. 1994

Fabrication and machining services for metal parts and components. Gas tungsten arc (GTAW), submerged metal arc (SMAW), gas metal arc (GMAW), and flux-cored arc (FCAW) welding services are available. Laser cutting, bending, rolling, press brake forming, sawing, punching, and drilling services are also provided. Prototypes to production runs are available. Secondary services include heat treating, coating, passivating, galvanizing, and testing. Serves automotive, manufacturing, water treatment, infrastructure, and construction industries.

CNC Machining / Sheet Metal Fabrication / Laser Cutting+2
No certs listed

A Team Plastic Fabrication

ListedOMN-6B09A892Welland, ON

Plastic fabrication, laser engraving, and thermoplastic welding services. CNC or vinyl cutting services are also offered. Cases, acrylic sheets, LED displays, and frames are provided.

CNC Machining / Sheet Metal Fabrication / Laser Cutting+1
Materials Plastics
No certs listed

A. Swent & Sons

ListedOMN-E800A817Selkirk, ON

Metal Fabrication & Welding

Sheet Metal Fabrication / Welding
No certs listed

AAR Corp.

ListedOMN-D012CAB8Mississauga, ON

Custom manufacturer of machined and composite structures for aerospace, defense, government and commercial sectors. Products include mobile shelters, helicopter/airlift containers, air mobility pallets and cargo systems. Capabilities include precision machining, fabrication welding, engine mounts and assemblies.

CNC Machining / Sheet Metal Fabrication / Welding
No certs listed

ABA Machine & Welding Inc.

ListedOMN-25F8D80DBarrie, ONEst. 1990

Machining and welding services. Capabilities include fabrication, milling, forming, shearing and welding. Markets served include industrial, construction, automotive and agricultural industries.

CNC Machining / Sheet Metal Fabrication / Welding
No certs listed

ABS Machining Inc.

ListedOMN-5A94BAF0Mississauga, ONEst. 1969

Machine shop specializing in CNC machining for petroleum, locomotive, energy, mining, oil and gas industries. Capabilities include production machining, fabrication, ultrasonic and radiographic welding, CNC turning and mechanical assembly services.

CNC Machining / Sheet Metal Fabrication / Welding
Materials Plastics
ISO 9001

AFP Industries

ListedOMN-94D551D0Ajax, ONEst. 2002

Aluminum Fabricated Products (AFP) is a 17,000 SQ. Ft. facility with state of the art fabrication and machining equipment. Since 2002, we have been providing custom solutions to meet each customer's unique fabrication needs. With our manufacturing capabilities, we can focus on tolerances that are tighter than industry standard. We also offer a full range of services including precision CNC machining, drilling, tapping, welding, assembly and packaging. From concept to completion, we specialize in medium to large production runs.

Laser Cutting / CNC Machining / Welding
Materials Aluminum
No certs listed

AK Tool & Die

ListedOMN-02E28EA7Mississauga, ONEst. 1994

Custom manufacturer of jigs, progressive dies and tools. Capabilities include manufacturing, CNC machining, punching, forming, welding and assembly.

CNC Machining / Sheet Metal Fabrication / Welding+1
No certs listed

AMTEC - Applied Manufacturing Technologies, Inc.

ListedOMN-3D2F43E8Windsor, ONEst. 1995

Custom manufacturer of small to large stamped parts. Made from plastics, fabric and coated metal materials. Features include heat treated, electronic controlled, flat, round and dry process. Capabilities include contract manufacturing, pad printing, hot stamping, ultrasonic welding, laser marking, drilling, engraving, cutting, scribing, micro-machining and etching.

CNC Machining / Sheet Metal Fabrication / Laser Cutting+2
Materials Plastics
ISO 9001

APS Metal Industries

ListedOMN-C0D43AB5Pickering, ONEst. 1986

Custom manufacturer of precision parts for telecommunications, electronics, medical, automotive and military sectors. Capabilities include laser cutting, punching, bending, shearing, forming, deburring, MIG and TIG welding. Materials handled include aluminum, mild and stainless steel.

Sheet Metal Fabrication / Laser Cutting / Welding
Materials Aluminum, Stainless, Carbon Steel
ISO 9001 / CWB W47.1

AWC Manufacturing LP

ListedOMN-6D986693Guelph, ON+3 facilitiesEst. 1995

Steel fabrication services for large and complex parts. Capabilities include plasma and flame cutting, metal forming, welding, CNC machining, vertical or horizontal milling, and assembly. Contract manufacturing services are available. Logistics, stress relieving, and coating are offered as secondary services. Serves mining, construction, forestry, power generation, rail, and locomotive industries.

CNC Machining / Sheet Metal Fabrication / Welding
Materials Carbon Steel
ISO 9001 / CWB W47.1 / AWS / ASME / CWB Certified Welding Inspector Level II / AWS Certified Welding Inspector / TSSA Certificate - Welded Fittings / TSSA Certificate - Manufacturing of Pressure Vessles / TSSA Certificate - Repairing of Pressure Vessles

Abarth Machining Inc.

ListedOMN-5D2128CAStoney Creek, ONEst. 1995

Custom manufacturer of precision machined parts for commercial and industrial sectors. Capabilities include prototype and production machining, welding, assembly, lathe work, horizontal and vertical milling services. Materials handled include aluminum, plastics, brass, nylon and stainless steel.

CNC Machining / Welding
Materials Aluminum, Stainless, Carbon Steel
No certs listed

Abbecan Industries Inc.

ListedOMN-4C299930Concord, ONEst. 2005

Job shop solutions provided for the telecommunications, electronics, aerospace, automotive, automation and retail markets. Capabilities include CNC machining, conventional machining, prototyping, short run machining, high speed machining, metal fabrication, milling, sawing and welding.

CNC Machining / Sheet Metal Fabrication / Welding
ISO 9001 / ITAR

Abermore Mfg.

ListedOMN-44767C66Morriston, ONEst. 1986

Stainless Steel Welding Services

Welding
Materials Stainless, Carbon Steel
No certs listed

Absolute Laser & MFG

ListedOMN-9398B557Etobicoke, ON

3, 4, and 5-axis precision CNC machining services. Works with steel, stainless steel, aluminum, copper, brass, bronze, rubber, and plastic materials. Capabilities include fabrication, milling, turning, sawing, laser cutting, and welding. Suitable for cabinet units, stainless kitchens, hydraulic presses, and adjustable shelves applications. Design and inspection are offered as secondary services. Serves aerospace, automotive, and defense industries.

CNC Machining / Sheet Metal Fabrication / Laser Cutting+1
Materials Aluminum, Stainless, Carbon Steel
No certs listed

Accucam Machining

ListedOMN-291E984BCambridge, ONEst. 1987

Custom machine shop. Capabilities include CNC machining, turning, vertical and horizontal milling, welding, assemblies, machined castings, machined forgings, plating, painting, warehousing, and logistics.

CNC Machining / Welding / Metal Finishing
No certs listed

Ace Rebar

ListedOMN-72FBEE31Ayr, ON

Custom manufacturer of rebar made from steel and stainless steel materials. Epoxy-coated and pre-fabricated rebar are offered. Welded wire mesh and pre-assembled cassions or cages are also provided. Capabilities include fabrication, CNC bending, shearing, and cutting. Estimation, detailing, and installation services for rebar are available. Serves construction industry. CSA compliant.

CNC Machining / Sheet Metal Fabrication / Welding
Materials Stainless, Carbon Steel
No certs listed

Acuron Limited

ListedOMN-4B4789A4Cambridge, ONEst. 1998

Custom manufacturer of metal fabricated products. Trusses, cranes, frames, girders, tool and die handling equipment, buildings columns, supports, crane supports, and beams are available. Capabilities include heavy plate fabrication, FCAW/GMAW/ and SMAW welding, CNC milling and 5-axis and horizontal CNC machining services. Materials handled include stainless steel, aluminum and titanium.

CNC Machining / Sheet Metal Fabrication / Welding+1
Materials Aluminum, Stainless, Carbon Steel
No certs listed

Admiral Welding and Manufacturing Inc.

ListedOMN-5A7BE204Beamsville, ONEst. 1989

Machine shop specializing in fabrication services for industrial sectors. Capabilities include welding, forming, CNC plasma cutting, shearing, lathe work, milling, and CNC punching services. Materials handled include stainless steel and aluminum.

CNC Machining / Sheet Metal Fabrication / Welding
Materials Aluminum, Stainless, Carbon Steel
No certs listed

Advance Welding & Mfg.

ListedOMN-D250480AHamilton, ONEst. 1992

Advance Welding & Mfg.

Welding
No certs listed

Advanced Laser & Micro Welding

ListedOMN-B6A86325Mississauga, ONEst. 1993

Laser and micro welding services for the cosmetics, pharmaceutical, personal care, and food industries. Types include MIG, TIG, and submerged arc. Works with aluminum, titanium, beryllium, copper, cast iron, magnesium, and stainless steel materials.

Sheet Metal Fabrication / Laser Cutting / Welding
Materials Aluminum, Stainless, Carbon Steel
No certs listed

Adventec Manufacturing, Inc.

ListedOMN-AB166A44Dundas, ON

Custom manufacturer of injection / insert molded components for automotive, telecommunications and electronics industries. Capabilities include injection molding, ultrasonic welding, metal stamping and precision metal turnings.

CNC Machining / Sheet Metal Fabrication / Welding+1
No certs listed

Alchemy Extrusions, Inc.

ListedOMN-80D075CFStoney Creek, ONEst. 2004

Custom manufacturer of lead blocks. Billets, bricks, anodes, anode grids and baskets, diver weights, lead rods, wires, pipes, tubes, sheet lead, foils, ingots, sows, and cupcakes are also available. Materials handled include bronze, brass, copper, aluminum, steel, cast iron, lead, and lead alloys. Capabilities include lead extrusion, casting and fabrication, CNC machining, milling, drilling, cutting, welding, shearing, bending and lathe work.

CNC Machining / Sheet Metal Fabrication / Welding
Materials Aluminum, Carbon Steel, Brass
No certs listed

Alfa Railing & Welding Co.

ListedOMN-108702E6Scarborough, ON

Alfa Railing & Welding Co.

Sheet Metal Fabrication / Welding
No certs listed

All Tool Manufacturing, Inc.

ListedOMN-6D50E2E2STONEY CREEK, ON

Custom manufacturer of precision machined components and parts. Capabilities include CNC milling, lathe work, wire and sinker EDM, fabrication, welding, prototyping and CNC machining.

CNC Machining / Sheet Metal Fabrication / Welding
No certs listed

All-Type Welding

ListedOMN-A400DADBMississauga, ONEst. 1976

Custom manufacturer of metal products for commercial, residential and industrial applications. Products include stairs, railings, platforms, catwalks, guards, enclosures, tanks, fences mezzanines, racks and gates. Capabilities include metal fabrication, MIG and TIG welding services. Materials handled include aluminum structural and stainless steel.

Sheet Metal Fabrication / Welding
Materials Aluminum, Stainless, Carbon Steel
No certs listed

All-Weld Co., Ltd.

ListedOMN-BE7C7886Scarborough, ONEst. 1920

Design, Supply & Manufacturing Of Specialty Process Equipment For The Following Industries: Chemical, Petrochemical, Nuclear, Food, Winery, Distillery, Biotechnology, Pharmaceutical, Mining, Pulp & Paper, Municipality & Utility

CNC Machining / Sheet Metal Fabrication / Welding
No certs listed

Allaire Welding

ListedOMN-5B37931AHanmer, ONEst. 1989

Welding Services: Spot; Stainless Steel; Submerged Arc; Ultrasonic

Welding
Materials Stainless, Carbon Steel
No certs listed

Allied Marine & Industrial

ListedOMN-23803533Port Colborne, ONEst. 1997

Custom manufacturer of field service equipment for marine and mining industries. Products include conveyor rollers, ladders, gangways, fairlead sheaves, pins and hatch clamps. Capabilities such as machining, turning, milling, welding and fabrication are available. Gauge calibration, millwright, key cutting, reverse engineering and dynamic balancing, testing and rebuilding services are also offered. Gearbox, pump, steam turbine, crane and gangway repair services are provided. 24/7 emergency services.

CNC Machining / Sheet Metal Fabrication / Welding+1
No certs listed

Alloy Casting Industries Limited

ListedOMN-C91719DANew Hamburg, ONEst. 1971

Machine shop specializing in alloy castings. Materials handled include duplex, austenitic, martensitic, heat resistant, and precipitation hardened stainless steels, nickel base steels, alloy steels, carbon steels, and irons. Capabilities include machining, welding, heat treating, sand and shot blasting services.

CNC Machining / Welding / Metal Finishing
Materials Stainless, Carbon Steel
ISO 9001

Alloy Options

ListedOMN-4D6789BDST CATHARINES, ONEst. 1990

Manufacturer of custom stainless auto exhausts.

Welding
Materials Stainless
No certs listed

Alpha Design

ListedOMN-F11FFCFCOttawa, ONEst. 1984

Aluminum machining. Capabilities include CNC lathes, manual lathes, milling machines, drilling presses, keyseaters, surface grinders, horizontal boring mills, MIG welding, TIG welding and sandblasting and paining services. Also provide hydraulic cylinder repairs.

CNC Machining / Welding / Metal Finishing
Materials Aluminum
No certs listed

Anchor Danly Co.

ListedOMN-2336BA0FWindsor, ONEst. 1975

Custom manufacturer of die sets and steel plates. Capabilities include metal fabrication, flame cutting, metal forming, welding, stress relieving, machining, and assembly. Industries served include automation, automotive, defense, forestry, heavy equipment, machine tool, mining, oil and gas, power generation, rail and locomotive.

CNC Machining / Sheet Metal Fabrication / Welding
Materials Carbon Steel
ISO 9001 / CWB W47.1

Anderdon Machine Tool & Manufacturing Inc.

ListedOMN-536703A3Oldcastle, ONEst. 1979

Custom manufacturer of metal stamping dies prototype parts and gauges. Products include line, transfer and progressive dies and tooling. Capabilities include bending, laser cutting, machining, welding and assembly. Materials handled include alloys, steel, aluminum and stainless steel.

CNC Machining / Sheet Metal Fabrication / Laser Cutting+2
Materials Aluminum, Stainless, Carbon Steel
ISO 9001

Apogee Steel Fabrication Inc.

ListedOMN-EE00FC0CMississauga, ON

Metal fabrication services provided. Other services include punching, CAD/CAM programming, welding and stainless steel fabrication.

CNC Machining / Sheet Metal Fabrication / Welding
Materials Stainless, Carbon Steel
No certs listed

Arbec Tool & Machine

ListedOMN-20E61F13Windsor, ONEst. 1988

Manufacturer of manufacturing machines and systems. Products include bushing press machines, hot stamp, tube, shear and nail pierce machines, hydro-forming machines, and prototype and laser tooling, robotic weld systems, truck frame assembly systems and manual, robotic and automatic riveting units.

Sheet Metal Fabrication / Laser Cutting / Welding+1
No certs listed
487 more in the directory
Common questions

Welding in Ontario

How many welding shops are there in Ontario?
537 shops in Ontario list welding on OMN. 9 are managed by their owners.
Which certifications do welding shops in Ontario hold?
The most common are ISO 9001 (100 shops), CWB W47.1 (28 shops), AS9100 (19 shops), IATF 16949 (11 shops) and ITAR (8 shops).
How are the shops on this page ordered?
OMN members come first, then shops whose owners have claimed and maintain their listing, then every other listed shop in alphabetical order.
How do I get quotes from welding shops in Ontario?
Submit one RFQ through OMN. OMN reviews it and routes it to shops whose recorded process, material, certification, and location match. It is free for buyers, with no commission or markup on shop quotes.