Agalma Sourcing

Contract assembly and box build companies in Puebla, 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 163 contract assembly manufacturers in Puebla. 11 have researched profiles with capabilities quoted from their own websites, and 58 are confirmed to take outside orders.

Describe your part to rank these suppliers for your job:

Top 30 of 163

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

  1. Unicar Plastics

    Puebla, Puebla·251+ employees·Contract manufacturer

    • ✓Final assembly and box build

    “Ensamble por Ultrasonido y ensamble de Componentes”

    unicarplastics.comTakes outside ordersProfile →
  2. Proma Group

    Amozoc, Puebla·251+ employees·Contract manufacturer

    • ✓Final assembly and box build

    “Proma offers in house stamping, welding, assembly and painting operations.”

    promagroup.comTakes outside ordersProfile →
  3. AIR Temp de Mexico

    Puebla, Puebla·251+ employees·Contract manufacturer

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

    “Manufactura Manufacturing Aletas, núcleos, ensamble, brazing y control de procesos con SPC.”

    airtemp.com.mxTakes outside ordersProfile →
  4. Ssiisa

    Cuautlancingo, Puebla·101–250 employees·Job shop

    • ✓Final assembly and box build
    • ~Electromechanical assembly

    “SSIISA cuenta actualmente con 4 plantas de ensamble y una 5ª. en construcción”

    ssiisa.com.mxTakes outside ordersProfile →
  5. Moeltek

    Santa Isabel Cholula, Puebla·51–100 employees·Job shop

    • ~Final assembly and box build
    • ✓Electromechanical assembly
    • ✓ISO 9001

    “Realizamos la integración de tableros eléctricos”

    moeltek.comTakes outside ordersProfile →
  6. DTI Industrial

    Puebla, Puebla·51–100 employees·Job shop

    • ✓Final assembly and box build

    “Ensamble soldadura”

    dti-industrial.comTakes outside ordersProfile →
  7. GSM

    Cuautlancingo, Puebla·31–50 employees·Job shop

    • ✓Electromechanical assembly

    “Montaje Mecánico Instalación neumática Instalación eléctrica”

    gsmmontaje.comTakes outside ordersProfile →
  8. Madensa

    Puebla, Puebla·11–30 employees·Job shop

    • ~Final assembly and box build
    • ✓Electromechanical assembly

    “Servosistema de ensamble de precisión de componentes”

    madensa.com.mxTakes outside ordersProfile →
  9. ADV Mechanics

    Puebla, Puebla·11–30 employees·Job shop

    • ✓Electromechanical assembly

    “Nuestros técnicos cualificados se encargan del ensamble, pintura, trabajo mecánico y programación de la máquina.”

    adv-mec.com.mxTakes outside ordersProfile →
  10. Industrias Norm

    Cuautlancingo, Puebla·101–250 employees·Industrial supplier

    • ✓Final assembly and box build

    “Estampado y ensamblado de partes de lámina”

    norm.com.mxProfile →
  11. Fysam Auto

    Coronango, Puebla·11–30 employees·Industrial supplier

    • ✓Final assembly and box build
    • ~Electromechanical assembly

    “Kernprozesse: Montage Produktschwerpunkte: Fensterschachtleisten”

    fysam-auto.comProfile →
  12. SAS Automotive Systems

    Cuautlancingo, Puebla·251+ employees·Contract manufacturer

    • ~Electromechanical assembly
    sas-automotive.comTakes outside ordersProfile →
  13. Cedinsa

    Cuautlancingo, Puebla·251+ employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    cedinsamex.netTakes outside ordersProfile →
  14. Kiekert de Mexico

    Amozoc, Puebla·251+ employees·Contract manufacturer

    • ~Final assembly and box build
    kiekert.comTakes outside ordersProfile →
  15. FFT Mexico

    Puebla, Puebla·251+ employees·Other Manufacturing Industry Machinery Manufacturing

    • ~Final assembly and box build
    • ~Electromechanical assembly
    fft.deTakes outside ordersProfile →
  16. Golde Puebla

    Cuautlancingo, Puebla·251+ employees·Job shop

    • ~Electromechanical assembly
    cieautomotive.comTakes outside ordersProfile →
  17. AIR Thermal Systems

    Huejotzingo, Puebla·251+ employees·Contract manufacturer

    • ~Electromechanical assembly
    ai-thermal.comTakes outside ordersProfile →
  18. Neuber

    San Pedro Cholula, Puebla·101–250 employees·Contract manufacturer

    • ~Final assembly and box build
    • ~Electromechanical assembly
    neuber.com.mxTakes outside ordersProfile →
  19. Eolis America Latina

    Puebla, Puebla·101–250 employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    • ✓ISO 9001
    eolis.com.mxTakes outside ordersProfile →
  20. Kautex Textron de Mexico

    Cuautlancingo, Puebla·101–250 employees·Contract manufacturer

    • ~Electromechanical assembly
    kautex.comTakes outside ordersProfile →
  21. Bonasa

    Puebla, Puebla·101–250 employees·Contract manufacturer

    • ~Final assembly and box build
    • ~Electromechanical assembly
    bonasa.comTakes outside ordersProfile →
  22. Duidea

    San Pedro Cholula, Puebla·101–250 employees·Job shop

    • ~Final assembly and box build
    duidea.com.mxTakes outside ordersProfile →
  23. Lodanmex

    Puebla, Puebla·101–250 employees·Job shop

    • ~Electromechanical assembly
    lodanelectronics.comTakes outside ordersProfile →
  24. GLM Components Mexico

    Amozoc, Puebla·101–250 employees·Job shop

    • ~Electromechanical assembly
    glmgroup.comTakes outside ordersProfile →
  25. Tooling & Equipment Frimo Mexico

    Amozoc, Puebla·101–250 employees·Rubber and Plastics Industry Machinery Manufacturing

    • ~Final assembly and box build
    • ~Electromechanical assembly
    frimo.comTakes outside ordersProfile →
  26. Sybriedge Technologies

    Huejotzingo, Puebla·51–100 employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    sybridge.comTakes outside ordersProfile →
  27. Dacsa

    Atlixco, Puebla·51–100 employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    dacsa.com.mxTakes outside ordersProfile →
  28. Aplicacion de Proyectos y Servicios

    Cuautlancingo, Puebla·51–100 employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    apssapue.netTakes outside ordersProfile →
  29. Unidades Moviles

    Tepeaca, Puebla·51–100 employees·Job shop

    • ~Final assembly and box build
    • ✓ISO 9001
    sistemasyunidadesmoviles.comTakes outside ordersProfile →
  30. Trox Technik

    Huejotzingo, Puebla·51–100 employees·Job shop

    • ~Final assembly and box build
    • ~Electromechanical assembly
    trox.mxTakes outside ordersProfile →

133 more. Search to see suppliers ranked for your part