Listed Automotive Companies in Washington

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

Bardahl Manufacturing Corporation

📍 Seattle, WA Est. 1939
Specialties: Automotive LubricantsOil AdditivesEngine Treatment Products

Bardahl Manufacturing Corporation has been a pioneer in automotive lubricant technology for over 80 years. Founded by Ole Bardahl in 1939, the company...

Grakon LLC

📍 Des Moines, WA Est. 1978
Specialties: Automotive Lighting SystemsEngineered Trim Components

Grakon is a global leader in the design and development of advanced lighting systems and engineered trim components for premier OEM vehicle manufactur...

Northridge 4x4 Inc.

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

Northridge 4x4 Inc. operates as a premier automotive parts and accessories distributor based in Silverdale, Washington, specializing in comprehensive ...

OSW Equipment & Repair LLC

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

OSW Equipment started as a small manufacturing company in 2000 and has grown to become one of the largest dump body and trailer manufacturers along th...

RANDYS Worldwide

📍 Everett, WA Est. 1982
Specialties: Differential GearsAxlesAutomotive Drivetrain Components

RANDYS Worldwide is the leading supplier in the United States for differential gears, axles, installation kits, small parts, tools, lockers, limited s...

Seattle Precision Machining

📍 Seattle, WA
Specialties: Precision CNC MachiningAutomotive Components

Seattle Precision Machining operates as a specialized CNC machine shop located at 305 South Dawson Street in Seattle, Washington. The company serves t...

Washington automotive manufacturer landscape

Compare listed automotive manufacturer profiles in Washington by process fit, location, and the documentation the buyer can actually verify.

Clusters this page covers

  • Texas assembly and supplier work around OEM and EV plants
  • Indiana, Kentucky, Tennessee, and Alabama vehicle and powertrain corridors
  • Michigan, Ohio, and Illinois tooling, stamping, and Tier supplier density
  • Southeast interior, seating, and electronics plants feeding the same OEM launch calendars

Selection rules

  1. Separate prototype shops from production suppliers. Launch and PPAP requirements are different jobs.
  2. Ask which OEM or Tier customers the plant currently ships and what quality system covers that work.
  3. Match process to the print: stamping, welding, machining, molding, coating, or assembly—not “automotive parts.”
  4. Confirm tooling ownership, spare strategy, and who pays for engineering changes.
  5. Require the same annual volume, release quantity, and packaged-delivery assumption from every quote.
  6. Use state pages when the plant has to sit inside an OEM milk-run, sequencing, or line-down recovery radius.

When to use a production supplier, a job shop, or a tooling house

An automotive manufacturer can be a production plant, a prototype shop, or a toolmaker. Those are not interchangeable awards.

When this is the jobUseWhy
A released production part with PPAP, packaging, and a weekly releaseProduction supplierThe buyer needs process capability, containment, and launch evidence—not a one-off quote.
A prototype, service part, or low-volume derivativeJob shop or prototype cellSpeed and flexibility beat a production line that is booked for OEM launches.
A die, fixture, gauge, or assembly aid that has to run production laterTooling houseThe award is tool life and tryout, not the finished vehicle part.

How to source this work

Use an automotive manufacturer when print, PPAP, IATF 16949 or OEM-customer requirements, launch timing, and repeat volume determine the award more than a one-off prototype quote.

Include in the RFQ

  • controlled drawings, CAD, and revision level
  • annual volume, release quantity, and launch date
  • material, coating, and applicable OEM or IATF requirements
  • PPAP, inspection, and capability-study scope
  • tooling ownership, spare strategy, and packaged-delivery assumptions

Questions that separate suppliers

  • Which operations stay in-house versus get subcontracted?
  • What PPAP level and capability evidence can be supplied?
  • How are engineering changes, containment, and line-down recoveries handled?

Questions this page can answer

How should a buyer compare automotive manufacturers?

Compare the process on the print, the quality system, current OEM or Tier work, and whether the plant can support launch and containment. Listed industry tags are a starting filter, not proof of current PPAP capability.

Which states are the strongest automotive manufacturing hubs on UNITEMFG?

Texas, Indiana, Tennessee, Kentucky, and Alabama are the first state-and-category pages to open for vehicle and supplier work. Michigan and Ohio remain important for tooling, stamping, and established Tier density.

Need Help Finding Automotive in Washington?

Our directory makes it easy to research listed manufacturing companies.