Listed Automotive Companies in Montana

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

Specialties: Automotive CastingsGray Iron FoundryDuctile Iron ComponentsSteel Fabrication

Anaconda Foundry Fabrication Company stands as a premier industrial manufacturing facility in Anaconda, Montana, with roots tracing back to the 1880s....

Bradford's Balance & Machine

📍 Kalispell, MT Est. 1984
Specialties: Custom Engine BuildingEngine BalancingPerformance Engine PartsEngine Machining

Bradford's Balance & Machine stands as Kalispell, Montana's premier automotive engine specialist, delivering exceptional engine rebuilding and perform...

Gerbers of Montana

📍 Great Falls, MT Est. 1880
Specialties: Custom Automotive PartsAgricultural Equipment PartsMachine Shop ServicesMetal Fabrication

Gerbers of Montana stands as Great Falls premier machine shop and metal fabrication facility, serving the agricultural community for over 140 years. T...

Hanser's Automotive

📍 Billings, MT Est. 1963
Specialties: Remanufactured TransmissionsAutomotive Parts ManufacturingSalvage Auto PartsTruck Repair

Hanser's Automotive stands as a cornerstone of automotive excellence in Billings, Montana, delivering comprehensive vehicle services for over 50 years...

J&K Customs

📍 Missoula, MT Est. 2005
Specialties: Off-Road CustomizationVehicle UpfittingCustom FabricationSuspension Systems

J&K Customs operates as a premier automotive customization and manufacturing facility in Missoula, Montana, serving the region since 2005. This full-s...

Johnson Metal Works

📍 Bozeman, MT Est. 2017
Specialties: Automotive ComponentsOEM Parts ManufacturingCustom Metal FabricationSteel Fabrication

Johnson Metal Works stands as a premier metal fabrication company based in Bozeman, Montana, serving the automotive industry and beyond with comprehen...

Mike's Off Road

📍 Bozeman, MT
Specialties: Off-Road Racing Components4x4 AccessoriesPerformance Auto PartsTrail Rig Modifications

Mike's Off Road stands as Bozeman Montana's premier 4x4 automotive performance and accessories specialist, delivering over three decades of expertise ...

Montana Auto & Fabrication

📍 Helena, MT Est. 2008
Specialties: Off-Road Vehicle FabricationCustom BumpersLift KitsAutomotive Welding

Montana Auto & Fabrication delivers comprehensive automotive and custom fabrication solutions from their Helena, Montana facility. Established in 2008...

Specialties: Precision MachiningAutomotive Parts RepairDriveshaft ManufacturingHydraulic Cylinder Repair

Montana Machine & Fabrication stands as a premier industrial services provider in Libby, Montana, delivering comprehensive manufacturing solutions to ...

Montana automotive manufacturer landscape

Compare listed automotive manufacturer profiles in Montana 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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