Listed Automotive Companies in Idaho

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

Andersen Manufacturing Inc.

📍 Idaho Falls, ID Est. 1970
Specialties: Trailer hitchestowing equipment5th wheel productsheavy-duty towing solutions

Andersen Manufacturing Inc stands as a premier automotive manufacturing company based in Idaho Falls, Idaho, with over six decades of expertise in pro...

Boise Metal Works of Idaho

📍 Boise, ID Est. 1994
Specialties: Custom metal fabricationtruck accessoriesprecision CNC machiningwater jet cutting

Established in 1994, this custom metal fabrication company serves residential and commercial customers throughout Idaho and Eastern Oregon. They speci...

Specialties: Aftermarket performance partsprecision machiningcustom motorcycle componentsATV/UTV accessories

Idaho Precision Machining and Fabrication, Inc. stands as a leading precision manufacturing company based in Eagle, Idaho, specializing in high-qualit...

Intermountain Fabrication LLC

📍 Jerome, ID Est. 1996
Specialties: Precision CNC machiningcustom metal fabricationsubstation structuresindustrial repairs

Locally owned precision metal fabrication company established in 1996 serving over 400 customers. Specializes in custom metal fabrication, CNC machini...

S&G Customs

📍 Filer, ID Est. 2000
Specialties: Off-road customizationdiesel performancevehicle fabricationcustom modifications

Specialty automotive shop specializing in extreme off-road customization and diesel performance enhancements. Led by Rob with over 20 years of experie...

Idaho automotive manufacturer landscape

Compare listed automotive manufacturer profiles in Idaho 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.

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