Listed Automotive Companies in Louisiana

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

ASH Industries Inc

📍 Lafayette, LA Est. 1991
Specialties: Metal Injection MoldingThermoplastic Injection MoldingSilicone MoldingRotational Molding

ASH Industries Inc., established in 1991, is a comprehensive manufacturing company specializing in metal injection molding (MIM), thermoplastic and si...

Machine Tech Services

📍 Broussard, LA Est. 1993
Specialties: Precision ManufacturingCustom FabricationCNC ProductionAPI Certified Manufacturing

Machine Tech Services is a full service machine manufacturing facility with over 30 years of experience in precision production manufacturing and cust...

Mezzo Technologies

📍 Baton Rouge, LA Est. 2000
Specialties: Microtube Heat ExchangersRadiatorsIntercoolersOil Coolers

Mezzo Technologies specializes in the design and manufacturing of custom, high-performance microtube heat exchangers for solving complex thermal manag...

Price Machineshop LLC

📍 Scott, LA Est. 2012
Specialties: CNC MachiningPrecision ManufacturingJob Shop ServicesCustom Components

Price Machineshop LLC is an ISO 9001:2008 certified machine shop providing precision CNC machining services for automotive and industrial applications...

Prototype Solutions LLC

📍 Baton Rouge, LA Est. 2008
Specialties: Rapid PrototypingLow Volume ProductionCustom ToolingAutomotive Prototypes

Prototype Solutions LLC is a full-service prototype, low volume production, tooling and machine manufacturer specializing in the automotive market. Wi...

Quality Machine Services LLC

📍 Youngsville, LA Est. 2005
Specialties: CNC MachiningPrecision TurningMillingHoning

Quality Machine Services LLC operates a 40,000 sq ft climate controlled manufacturing facility with over 100 years of combined manufacturing experienc...

Raytech Industries

📍 Bossier City, LA Est. 1995
Specialties: Plastic Injection MoldingBlow MoldingPrecision ToolingCustom Plastic Components

Raytech Industries, founded in 1995, is a custom manufacturer specializing in plastic injection molding, blow molding, and precision tooling. Operatin...

Southern Precision Inc

📍 Saint Rose, LA Est. 1976
Specialties: CNC MachiningPrecision PartsAutomotive ComponentsClose Tolerance Machining

Southern Precision Inc has been a trusted provider of close tolerance CNC machined parts since 1976, serving diverse industries from their state-of-th...

Louisiana automotive manufacturer landscape

Compare listed automotive manufacturer profiles in Louisiana 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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