Welding shops in Washington

Compare listed welding shops in Washington by process fit and whether the quote matches the work on the print.

Clusters this page covers

  • Job-shop weld bays quoting brackets, frames, and repair work
  • Code and procedure-controlled bays for pressure, structural, or customer specs
  • Robotic and production weld cells for repeat assemblies
  • Fab shops that weld as one step in a longer route

Selection rules

  1. Name the process: MIG, TIG, stick, flux-core, or robotic. Then name the code or customer spec if there is one.
  2. Ask whether the shop is weld-only or also cuts, forms, and finishes.
  3. Require the same joint design, filler, inspection, and distortion assumption from every quote.
  4. Separate repair and one-off frames from production weld cells.
  5. Use a state page when the weldment is large or the visit is required. Use this national page when the procedure is uncommon.
  6. Directory listing is not a WPS. Confirm procedure, personnel, and inspection with the shop.

When to use a weld shop, a fab shop, or a production cell

Welding can be the whole award or one operation inside fabrication. Choose that first.

When this is the jobUseWhy
A weldment or repair where the parts are already cut and fitWelding shopYou are buying procedure, distortion control, and inspection.
A job that still needs nest, brake, blast, or paintFabrication shopThe weld is one step. Splitting it creates fit-up and finish fights.
A repeat assembly with fixtures and a weekly releaseProduction or robotic weld cellThe award is repeatability, not a one-off TIG repair.

How to source this work

Use a welding shop when joint design, process, distortion, and inspection determine the integrity of the assembly.

Include in the RFQ

  • assembly drawings and weld symbols
  • base and filler material specifications
  • applicable welding code or procedure requirements
  • fixture, distortion, and dimensional requirements
  • visual, dimensional, and nondestructive examination scope

Questions that separate suppliers

  • Which qualified procedures and personnel apply to the job?
  • How will distortion and heat input be controlled?
  • What weld inspection records can be supplied?

Questions this page can answer

How should a buyer compare welding shops?

Start with process, procedure, and inspection. Then ask whether cutting and finishing stay on site. Listed counts show who is in the directory. They do not prove a current WPS.

What belongs in a welding RFQ?

Joint design or weld symbols, base and filler metal, applicable code, inspection method, quantity, and how distortion will be judged. Missing any of those is why weld quotes come back as hourly guesses.

When is a welding shop the wrong first call?

When the parts still have to be cut, formed, or painted under the same purchase order. Start with fabrication, then drop to a weld-only shop if the route is already split.

When should I search nationally for welding?

When the procedure, alloy, or inspection is uncommon. Use a state page when the weldment is large or the customer already sits in that corridor.

Listed Welding Companies in Washington

Results are ordered alphabetically. Inclusion is based on the matching process or industry recorded on each published profile.

Machinists Incorporated

📍 Seattle, WA Est. 1941
Specialties: Precision machiningcomposite toolingintegrated manufacturing systemsaerospace tooling

Metal Werks Inc

📍 Marysville, WA Est. 1997
Specialties: Custom Sheet Metal FabricationLaser CuttingCNC PunchingCNC Forming

Northridge 4x4 Inc.

📍 Silverdale, WA Est. 2001
Specialties: Jeep Parts ManufacturingOff-Road Accessories

Northwest Steel & Pipe Inc

📍 Tacoma, WA
Specialties: Marine Steel ProductsStructural SteelPiling MaterialsCustom Steel Processing

Northwest Steel Fab Inc

📍 Deer Park, WA Est. 1994
Specialties: Structural Steel FabricationAluminum FabricationStainless Steel Fabrication3D Modeling

OSW Equipment & Repair LLC

📍 Snohomish, WA Est. 2000
Specialties: Dump BodiesTruck EquipmentIndustrial Equipment

Red Dog Fabrication LLC

📍 Ridgefield, WA Est. 2014
Specialties: Structural Steel FabricationMiscellaneous SteelOrnamental SteelWABO Certified Welding

Reinkes Fabrication Inc

📍 Bellingham, WA
Specialties: Laser CuttingMetal FabricationWeldingRolling

S&R Sheet Metal

📍 Kelso, WA Est. 1970
Specialties: Sheet Metal FabricationLaser CuttingArchitectural MetalworkIndustrial Manufacturing

Welding supplier landscape in Washington

UNITEMFG currently matches 17 published supplier profiles to Welding in Washington, spanning 11 listed cities. The largest concentrations in the directory are Seattle (4 suppliers), Tacoma (4 suppliers), and Bellingham (1 supplier). This is a directory-derived view of available suppliers, not an estimate of the entire state market.

The capabilities most often named on matching profiles are Laser Cutting (3 profiles), Marine Structures (2 profiles), and Metal Fabrication (2 profiles). The supplier set spans Metals (10 profiles), Machinery (3 profiles), and Automotive (2 profiles) among its most represented industries. Published certification fields most often mention AISC Certified (3 profiles), ISO 9001:2015 (2 profiles), and WABO Certified (2 profiles).

Because the matching profiles span 11 cities, buyers can compare several local supplier markets rather than treating one metro as representative of the state. Use the listed capabilities as a first-pass filter, then require each shortlisted supplier to confirm that the relevant process is performed in-house, on suitable equipment, at the required scale.

Supplier locations

  • Seattle4
  • Tacoma4
  • Bellingham1
  • Deer Park1
  • Kelso1
  • Marysville1
  • Ridgefield1
  • Silverdale1

Commonly listed capabilities

  • Laser Cutting3
  • Marine Structures2
  • Metal Fabrication2
  • Structural Steel2
  • Structural Steel Fabrication2
  • 3D Modeling1
  • Advanced Alloy Work1
  • aerospace tooling1

Industries represented

  • Metals10
  • Machinery3
  • Automotive2
  • Construction2

Materials and credentials listed

  • AISC Certified3
  • ISO 9001:20152
  • WABO Certified2
  • ASME Code1
  • AWS Certified Welders1
  • NACE International1
  • PNSFA1

This Washington market view is calculated from published UNITEMFG profiles whose process labels map to the Welding cluster. Counts describe directory coverage, not independently audited capacity, quality, or availability.

How to source Welding in Washington

Use welding suppliers when joint design, base material, welding process, distortion control, and inspection acceptance determine the integrity of the assembly.

Include in the RFQ

  • assembly drawings and weld symbols
  • base and filler material specifications
  • applicable welding code or procedure requirements
  • fixture, distortion, and dimensional requirements
  • visual, dimensional, and nondestructive examination scope

Questions that separate suppliers

  • Which qualified procedures and personnel apply to the job?
  • How will distortion and heat input be controlled?
  • What weld inspection records can be supplied?

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