Listed Automotive Companies in Tennessee

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

Custom Race Engines Inc.

๐Ÿ“ Knoxville, TN
Specialties: Racing EnginesPerformance PartsEngine RebuildingCompetition Engines

Custom Race Engines Inc stands as a premier automotive manufacturing specialist in Knoxville, Tennessee, delivering high-performance racing engine sol...

Manufacturers Industrial Group LLC

๐Ÿ“ Lexington, TN
Specialties: Automotive ComponentsIndustrial ManufacturingCustom PartsMetal Fabrication

Manufacturers Industrial Group LLC operates as a leading automotive manufacturing company based in Lexington, Tennessee, specializing in precision man...

Nissan North America Inc

๐Ÿ“ Franklin, TN Est. 1933
Specialties: Vehicle AssemblyAutomotive ManufacturingElectric VehiclesAdvanced Manufacturing

Nissan North America Inc operates as a premier automotive manufacturer and distributor headquartered in Franklin, Tennessee, delivering innovative veh...

Paragon Engines

๐Ÿ“ Nashville, TN
Specialties: Custom EnginesPerformance EnginesRacing EnginesEngine Building

Paragon Engines stands as a premier precision automotive machine shop and custom engine builder serving Nashville, Tennessee and the greater middle Te...

Scott's Hotrods N Customs

๐Ÿ“ Knoxville, TN
Specialties: Hot Rod ManufacturingCustom FabricationAutomotive RestorationPerformance Parts

Scott's Hotrods N Customs operates as a premier automotive manufacturing company based in Knoxville, Tennessee, specializing in precision-engineered s...

Tennessee Classic Automotive LLC

๐Ÿ“ Smyrna, TN
Specialties: Classic Car RestorationAutomotive PartsCustom ManufacturingRestoration Services

Tennessee Classic Automotive LLC operates as a premier automotive restoration and manufacturing specialist based in Smyrna, Tennessee. This Tennessee-...

When a Tennessee automotive supplier is the right plant

Tennessee automotive manufacturing is an OEM and supplier state: assembly, powertrain, interiors, and sequenced parts that move on I-24, I-40, and I-65.

Clusters this page covers

  • Middle Tennessee assembly and supplier parks
  • East Tennessee interiors, electronics, and specialty components
  • West Tennessee plants tied to Memphis freight and Mid-South programs
  • I-24 / I-40 / I-65 sequencing routes

Selection rules

  1. Confirm the OEM program and whether the plant can sequence or only ship bulk.
  2. Ask which processes stay in-house. Interior and electronics plants are not interchangeable with metalformers.
  3. Require launch and containment language in the quote if the part is production-intent.
  4. Use Tennessee when the assembly plant or Mid-South freight lane is already the constraint.

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 evidenceโ€”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

What makes Tennessee different from Indiana for automotive sourcing?

Tennessee is more often an OEM-assembly and Mid-South supplier state. Indiana is a denser Midwest production corridor. Open both pages when the print can sit in either milk-run radius.

Should a Tennessee automotive search include Kentucky and Alabama?

Yes. Those three state pages cover a connected Southern automotive corridor. Compare the assembly plant, process, and sequenced-delivery radius rather than stopping at one state line.

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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