Agalma Sourcing

Contract assembly and box build companies in Mexicali, 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 62 contract assembly manufacturers in the Mexicali area. 9 have researched profiles with capabilities quoted from their own websites, and 22 are confirmed to take outside orders.

Describe your part to rank these suppliers for your job:

Top 30 of 62

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

  1. Judco Manufacturing

    Mexicali, Baja California·251+ employees·Contract manufacturer

    • ✓Final assembly and box build
    • ✓Electromechanical assembly
    • ✓IATF 16949

    “our Mexico operation supports assembly, wire processing, injection molding, electrical and electromechanical assembly”

    judco.netTakes outside ordersProfile →
  2. Creation Technologies

    Mexicali, Baja California·251+ employees·Contract manufacturer

    • ✓Final assembly and box build
    • ✓Electromechanical assembly

    “Vertical Manufacturing and Assembly — for full system integration, including PCBA, metals and interconnect solutions for electronic mechanical and electro-mechanical assemblies”

    creationtech.comTakes outside ordersProfile →
  3. Masterwork Electronics de Mexico

    Mexicali, Baja California·251+ employees·Contract manufacturer

    • ✓Final assembly and box build
    • ✓Electromechanical assembly

    “Fully Integrated Box Build Systems”

    masterworkelectronics.comTakes outside ordersProfile →
  4. Qualitel

    Mexicali, Baja California·251+ employees·Contract manufacturer

    • ~Final assembly and box build
    • ✓Electromechanical assembly
    • ✓AS9100
    • ✓ITAR
    • ✓NADCAP

    “Electromechanical assembly”

    qualitel.comTakes outside ordersProfile →
  5. Fabricaciones y Montajes Metalicos

    Mexicali, Baja California·101–250 employees·Job shop

    • ✓Final assembly and box build
    • ✓IMMEX
    • ✓ISO 9001
    • ✓Other

    “galvanizing, painting, and full assembly”

    persal.com.mxTakes outside ordersProfile →
  6. Empresas LM

    Mexicali, Baja California·51–100 employees·Contract manufacturer

    • ~Final assembly and box build
    • ✓Electromechanical assembly
    • ✓AS9100

    “Today we manufacture electromechanical assemblies and precision machined components used in commercial, cargo, military aircraft, hybrid vehicles, and medical applications.”

    elm-aerospace.comTakes outside ordersProfile →
  7. Femero Servicios

    Mexicali, Baja California·11–30 employees·Contract manufacturer

    • ✓Final assembly and box build

    “Ensamble”

    femeromxl.comTakes outside ordersProfile →
  8. Alloy LED

    Mexicali, Baja California·11–30 employees·Job shop

    • ~Final assembly and box build
    • ✓Electromechanical assembly

    “We handle every step — cutting, soldering, and pre-assembling channels and tape lights into UL-listed fixtures built exactly to your specifications.”

    alloyled.comTakes outside ordersProfile →
  9. ASB Manufacturing

    Mexicali, Baja California·11–30 employees·Job shop

    • ✓Final assembly and box build
    • ~Electromechanical assembly

    “integrando los mejores componentes en nuestros equipos armados, incluyendo certificaciones mundialmente reconocidas.”

    asbtechnologies.com.mxTakes outside ordersProfile →
  10. Newoptix MX

    Mexicali, Baja California·251+ employees·Contract manufacturer

    • ~Final assembly and box build
    • ~Electromechanical assembly
    newoptics.netTakes outside ordersProfile →
  11. Jean Charles MexicaliNot yet researched

    Mexicali, Baja California·251+ employees·Contract manufacturer

    • ~Final assembly and box build
    calibaja.comTakes outside ordersProfile →
  12. Wabash Technologies de México

    Mexicali, Baja California·251+ employees·Industrial supplier

    • ~Electromechanical assembly
    sensata.comTakes outside ordersProfile →
  13. Carley de MexicoNot yet researched

    Mexicali, Baja California·51–100 employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    carleylamps.comTakes outside ordersProfile →
  14. VimetalNot yet researched

    Mexicali, Baja California·31–50 employees·Job shop

    • ~Final assembly and box build
    vimetal.mxTakes outside ordersProfile →
  15. KYF Aceros

    Mexicali, Baja California·31–50 employees·Job shop

    • ~Final assembly and box build
    ascentaerospace.comTakes outside ordersProfile →
  16. Yiro Fabrica

    Mexicali, Baja California·11–30 employees·Job shop

    • ~Final assembly and box build
    yirofabrica.comTakes outside ordersProfile →
  17. La Señal

    Mexicali, Baja California·11–30 employees·Job shop

    • ~Final assembly and box build
    lasenal.com.mxTakes outside ordersProfile →
  18. Señalamientos Toga

    Mexicali, Baja California·11–30 employees·Job shop

    • ~Final assembly and box build
    togasenalamientos.com.mxTakes outside ordersProfile →
  19. Carroceria y Remolques Kuzzy

    Mexicali, Baja California·11–30 employees·Job shop

    • ~Final assembly and box build
    kuzzy.comTakes outside ordersProfile →
  20. Breton Industrial

    Mexicali, Baja California·11–30 employees·Job shop

    • ~Final assembly and box build
    bretonindustrial.comTakes outside ordersProfile →
  21. Equipos Agricolas de Precision

    Mexicali, Baja California·11–30 employees·Job shop

    • ~Final assembly and box build
    equipos-agricolas.comTakes outside ordersProfile →
  22. Assa Abloy MexicaliNot yet researched

    Mexicali, Baja California·251+ employees·Hardware and lock manufacturing

    • ~Final assembly and box build
    assaabloy.comProfile →
  23. Ascotech

    Mexicali, Baja California·251+ employees·Industrial supplier

    • ~Final assembly and box build
    emerson.comProfile →
  24. Garrett Motion Mexico

    Mexicali, Baja California·251+ employees·Industrial supplier

    • ~Electromechanical assembly
    garrettmotion.comProfile →
  25. TT Electronics

    Mexicali, Baja California·251+ employees·Industrial supplier

    • ~Electromechanical assembly
    ttelectronics.comProfile →
  26. PimsNot yet researched

    Mexicali, Baja California·251+ employees·Air-Conditioning and Heating Equipment Manufacturing

    • ~Final assembly and box build
    • ~Electromechanical assembly
    Profile →
  27. Kenworth MexicanaNot yet researched

    Mexicali, Baja California·251+ employees·Manufacture of heavy trucks and truck tractors

    • ~Final assembly and box build
    Profile →
  28. Placas Termodinámicas

    Mexicali, Baja California·251+ employees·Industrial supplier

    • ~Final assembly and box build
    triumphgroup.comProfile →
  29. Vertiv

    Mexicali, Baja California·251+ employees·Industrial supplier

    • ~Final assembly and box build
    • ~Electromechanical assembly
    vertiv.comProfile →
  30. Panasonic Industrial Devices Mexicana

    Mexicali, Baja California·251+ employees·Industrial supplier

    • ~Electromechanical assembly
    latam.connect.panasonic.comProfile →

32 more. Search to see suppliers ranked for your part