Listed Automotive Companies in Massachusetts

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

Automatic Machine Products

📍 Taunton, MA Est. 1923
Specialties: Precision Machined ComponentsBrazing ServicesAutomotive PartsTransportation Components

Full-service modern precision machine shop established in 1923, utilizing latest technology to deliver high-value machining and brazing services. Serv...

Brennan Machine Co, Inc

📍 Hanson, MA Est. 1985
Specialties: Precision MachiningAutomotive ComponentsMetal FabricationPlastic Components

Leading precision machining company serving the automotive industry among others. Operates 20+ machining centers with fast turnaround capabilities for...

Crown Automotive Massachusetts

📍 Marlborough, MA Est. 1995
Specialties: Chrysler Vehicle PartsEngine ComponentsTransmission PartsBrake Systems

Specializes in providing auto parts and accessories specifically for Chrysler vehicles. Offers wide range of products including engine parts, transmis...

Davico Manufacturing

📍 New Bedford, MA Est. 1987
Specialties: Catalytic ConvertersExhaust SystemsEmissions ComponentsUniversal Converters

Family-owned full line manufacturer of high-quality direct fit catalytic converters, universal catalytic converters, and exhaust products. Produces mo...

Lectro Engineering Co

📍 Waltham, MA Est. 1975
Specialties: Precision Sheet MetalAutomotive ComponentsPrototypingProduction Fabrication

Specializes in precision sheet metal fabrication providing high-quality parts for both prototypes and full production runs. With over 35 years of expe...

New-Com Metal Products Corp

📍 Randolph, MA Est. 2008
Specialties: Custom Electrical EnclosuresAutomotive ChassisPanels and BracketsIndustrial Enclosures

ISO certified, ITAR compliant, and UL certified manufacturer with 85+ years of combined experience. Specializes in custom NEMA, UL, and CUL electrical...

Taylor & Lloyd Inc

📍 Bedford, MA Est. 1970
Specialties: International Truck PartsAutomotive Repair ComponentsCommercial Vehicle PartsTruck Maintenance

Family-owned and operated company with over 50 years of experience in the automotive industry. Specializes in international trucks and automotive part...

Massachusetts automotive manufacturer landscape

Compare listed automotive manufacturer profiles in Massachusetts 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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