Agalma Sourcing

Contract assembly and box build companies in Tamaulipas, Mexico

Plants that assemble finished products from your parts and subassemblies: box build, electromechanical assembly, kitting, and packout. Profiles say whether they buy the parts (turnkey) or use yours (consigned). We list 128 contract assembly manufacturers in Tamaulipas. 9 have researched profiles with capabilities quoted from their own websites, and 38 are confirmed to take outside orders.

Describe your part to rank these suppliers for your job:

Top 30 of 128

Researched profiles first, then by size · Updated October 15, 2026

  1. HCP Packaging Mexico

    Reynosa, Tamaulipas·251+ employees·Contract manufacturer

    • ✓Final assembly and box build

    “The manufacturing site in Reynosa, Mexico, offers production, decoration and assembly of full mascara packs for North and Latin America.”

    hcpackaging.comTakes outside ordersProfile →
  2. Procesos Logisticos y Electronicos

    Matamoros, Tamaulipas·251+ employees·Contract manufacturer

    • ✓Final assembly and box build

    “At NovaLink, we manufacture quality electronic products, including assembly, as one of the premier Mexico contract manufacturing partners.”

    novalinkmx.comTakes outside ordersProfile →
  3. Construcciones Mecanicas Monclova

    Ciudad Madero, Tamaulipas·251+ employees·Contract manufacturer

    • ✓Final assembly and box build
    • ✓ISO 9001

    “Armado e inspección”

    commsa.comTakes outside ordersProfile →
  4. Technimark de Reynosa

    Reynosa, Tamaulipas·251+ employees·Contract manufacturer

    • ✓Final assembly and box build

    “Your global manufacturing partner specializing in precision injection molding, complex assembly, and contract manufacturing.”

    technimark.comTakes outside ordersProfile →
  5. Cypress Industries Mexico

    Matamoros, Tamaulipas·251+ employees·Contract manufacturer

    • ✓Electromechanical assembly
    • ✓ISO 9001

    “Electronics manufacturing services is a key aspect of Cypress Industries offerings. Being able to assemble a mix of products made internally along with external components if neede…”

    cypressindustries.comTakes outside ordersProfile →
  6. Industrias GW

    Matamoros, Tamaulipas·101–250 employees·Contract manufacturer

    • ✓Final assembly and box build
    • ✓IATF 16949
    • ✓ISO 9001

    “Automated Assembly”

    gobarsystems.comTakes outside ordersProfile →
  7. Season Group MX

    Reynosa, Tamaulipas·101–250 employees·Contract manufacturer

    • ✓Electromechanical assembly
    • ✓IATF 16949
    • ✓ISO 9001

    “Box build: System and electromechanical assembly”

    seasongroup.comTakes outside ordersProfile →
  8. Mtta Enginering

    Reynosa, Tamaulipas·11–30 employees·Job shop

    • ✓Final assembly and box build

    “Nuestros expertos en ensamble se aseguran de que cada componente encaje perfectamente, creando productos finales que cumplen con los más altos estándares de calidad.”

    mtta-eng.comTakes outside ordersProfile →
  9. TRW Vehicle Safety Systems

    Reynosa, Tamaulipas·251+ employees·Industrial supplier

    • ✓Final assembly and box build

    “Reynosa Seatbelt Assembly Plant 1, Parque Industrial Reynosa”

    zf.comProfile →
  10. Kauffman Manufacturing

    Reynosa, Tamaulipas·251+ employees·Contract manufacturer

    • ~Final assembly and box build
    • ~Electromechanical assembly
    kewire.comTakes outside ordersProfile →
  11. MCI Mirror Controls International

    Reynosa, Tamaulipas·251+ employees·Contract manufacturer

    • ~Electromechanical assembly
    motioncontrols.comTakes outside ordersProfile →
  12. Cardinal Brands Fabricacion

    Valle Hermoso, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    lsccom.comTakes outside ordersProfile →
  13. Mikuni Mexicana

    Reynosa, Tamaulipas·251+ employees·Industrial supplier

    • ~Final assembly and box build
    mikuni.comTakes outside ordersProfile →
  14. Spellman de MexicoNot yet researched

    Matamoros, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    spellmanhv.comTakes outside ordersProfile →
  15. Standard Motor Products de MexicoNot yet researched

    Reynosa, Tamaulipas·251+ employees·Industrial supplier

    • ~Electromechanical assembly
    smpcorp.comTakes outside ordersProfile →
  16. WiegandNot yet researched

    Nuevo Laredo, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    backergroup.comTakes outside ordersProfile →
  17. Panasonic Automotive Systems de Mexico

    Reynosa, Tamaulipas·251+ employees·Industrial supplier

    • ~Final assembly and box build
    • ~Electromechanical assembly
    automotive.panasonic.comTakes outside ordersProfile →
  18. Motores ReynosaNot yet researched

    Reynosa, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    acim.nidec.comTakes outside ordersProfile →
  19. Victoreen de MexicoNot yet researched

    Matamoros, Tamaulipas·251+ employees·Industrial supplier

    • ~Final assembly and box build
    • ~Electromechanical assembly
    ohmite.comTakes outside ordersProfile →
  20. Porta Systems

    Matamoros, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    tiitech.comTakes outside ordersProfile →
  21. CTS Electro de Matamoros

    Matamoros, Tamaulipas·251+ employees·Industrial supplier

    • ~Electromechanical assembly
    ctscorp.comTakes outside ordersProfile →
  22. Maverick Electronics

    Reynosa, Tamaulipas·251+ employees·Contract manufacturer

    • ~Electromechanical assembly
    maverickelectronics.comTakes outside ordersProfile →
  23. Fisher Dynamics Mexico

    Matamoros, Tamaulipas·251+ employees·Job shop

    • ~Electromechanical assembly
    fisherco.comTakes outside ordersProfile →
  24. Laird Technologies

    Reynosa, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    laird.comTakes outside ordersProfile →
  25. Revcor de Mexico

    Reynosa, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    revcor.comTakes outside ordersProfile →
  26. Newoptix RS

    Reynosa, Tamaulipas·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    newoptics.netTakes outside ordersProfile →
  27. J RAY Mcdermott de Mexico

    Altamira, Tamaulipas·251+ employees·Contract manufacturer

    • ~Final assembly and box build
    mcdermott.comTakes outside ordersProfile →
  28. The Nearshore CompanyNot yet researched

    Matamoros, Tamaulipas·251+ employees·Contract manufacturer

    • ~Electromechanical assembly
    thenearshorecompany.comTakes outside ordersProfile →
  29. M3 Resources

    Reynosa, Tamaulipas·101–250 employees·Industrial supplier

    • ~Final assembly and box build
    • ~Electromechanical assembly
    m3resources.netTakes outside ordersProfile →
  30. ATD de Mexico INC

    Matamoros, Tamaulipas·101–250 employees·Job shop

    • ~Electromechanical assembly
    atlantictool.comTakes outside ordersProfile →

98 more. Search to see suppliers ranked for your part