Contract assembly and box build companies in Querétaro City, 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 213 contract assembly manufacturers in the Querétaro City area. 30 have researched profiles with capabilities quoted from their own websites, and 85 are confirmed to take outside orders.
Describe your part to rank these suppliers for your job:
Top 30 of 213
Researched profiles first, then by size · Updated October 15, 2026
El Marqués, Querétaro·251+ employees·Contract manufacturer
- ✓Final assembly and box build
“Nuestra dedicación a la seguridad nos ha llevado a fabricar una variedad de módulos de bolsas de aire, como las frontales y laterales, en las que nos involucramos desde su costura …”
Corregidora, Querétaro·251+ employees·Job shop
- ✓Final assembly and box build
- ✓IATF 16949
“formando una empresa multifacética integrando diseño y fabricación de herramentales con la producción de partes troqueladas y procesos de ensamble y acabados.”
Querétaro, Querétaro·251+ employees·Contract manufacturer
- ✓Final assembly and box build
“Our product capabilities include single-source solutions for tooling, injection molding, chroming, paint applications, exterior trim, and assembly—from concept to completion.”
El Marqués, Querétaro·251+ employees·Contract manufacturer
- ✓Final assembly and box build
“precision plastic molding, plastic parts painting and integrated assembly lines”
Querétaro, Querétaro·101–250 employees·Job shop
- ✓Electromechanical assembly
“The Plastek Mexico facility operations include +45 molding machines, single-face tools, stack tools, and high-speed assembly equipment.”
El Marqués, Querétaro·101–250 employees·Contract manufacturer
- ✓Final assembly and box build
“Ofrecemos servicio de ensamblado de piezas, contamos con amplia experiencia y todo lo necesario para satisfacer la demanda del cliente”
Querétaro, Querétaro·101–250 employees·Job shop
- ✓Final assembly and box build
- ✓IATF 16949
- ✓ISO 9001
“machining and assembly of aluminum, nodular iron, gray iron, steel castings or metal powder parts.”
Querétaro, Querétaro·101–250 employees·Job shop
- ✓Final assembly and box build
“Tenemos más de 10 años de experiencia en manejo de ensambles de diversos componentes, ajustándonos los requerimientos de nuestros clientes.”
El Marqués, Querétaro·101–250 employees·Contract manufacturer
- ✓Electromechanical assembly
“Custom assemblies and systems integration”
Querétaro, Querétaro·101–250 employees·Job shop
- ✓Final assembly and box build
“The custom nature of our products extends to how they are assembled and packed, with each step handled with the same care and attention to detail as the products themselves.”
El Marqués, Querétaro·51–100 employees·Job shop
- ✓Electromechanical assembly
- ✓AS9100
“Ensamble Entregamos productos completamente terminados y con alta precisión que cumplen con estándares muy altos de calidad en el mercado nacional e internacional.”
Querétaro, Querétaro·51–100 employees·Job shop
- ✓Final assembly and box build
“From concept development and process engineering to assembly, testing, inspection, and lifecycle services, we support customers throughout the entire manufacturing journey.”
El Marqués, Querétaro·51–100 employees·Contract manufacturer
- ✓Electromechanical assembly
“For more than 34 years we have been successfully providing services in the field of manufacturing and assembling components for the automotive, electrical and consumer goods indust…”
El Marqués, Querétaro·51–100 employees·Job shop
- ✓Electromechanical assembly
- ✓IATF 16949
- ✓ISO 14001
- ✓ISO 9001
“high-quality custom assemblies used throughout a diverse range of industries”
Querétaro, Querétaro·51–100 employees·Job shop
- ✓Final assembly and box build
- ✓ISO 9001
“Soldadura MIG y por resistencia, remachado y operaciones de ensamble para entregar componentes listos para integración.”
Querétaro, Querétaro·31–50 employees·Contract manufacturer
- ✓Final assembly and box build
- ✓IATF 16949
“Realizamos el ensamble de componentes automotrices, con control de calidad en cada etapa”
Querétaro, Querétaro·31–50 employees·Contract manufacturer
- ✓Final assembly and box build
- ✓IATF 16949
“Large part compression molding, bonding and assembly.”
Corregidora, Querétaro·31–50 employees·Manufacture of other general-purpose industrial machinery and equipment
- ✓Final assembly and box build
- ✓Electromechanical assembly
“Dando paso al ensamblado, la integración eléctrica y neumática, que sigue a la programación de PLC’S y HMI’s.”
El Marqués, Querétaro·11–30 employees·Contract manufacturer
- ✓Final assembly and box build
- ~Electromechanical assembly
- ✓ISO 9001
“Adman Leku is a supplier of advanced composite parts, prototypes, and tools, as well as high-precision assemblies of multi-part products that are intensive in qualified labor.”
El Marqués, Querétaro·11–30 employees·Job shop
- ✓Final assembly and box build
“Design, simulation and start-up of transfer in 2x and 3x of stamped pieces.”
El Marqués, Querétaro·11–30 employees·Contract manufacturer
- ✓Final assembly and box build
“Ofrecemos el servicio líneas de ensamblaje.”
El Marqués, Querétaro·11–30 employees·Job shop
- ✓Electromechanical assembly
“Ensamble Mecánico. Ensamble Eléctrico. Ensamble Neumático.”
Corregidora, Querétaro·11–30 employees·Job shop
- ✓Electromechanical assembly
“Diseño, fabricación y puesta a punto de líneas y estaciones.”
Querétaro, Querétaro·11–30 employees·Contract manufacturer
- ✓Final assembly and box build
“Ofrecemos una variedad de servicios de maquila ligera, ensambles y subensambles para permitir a nuestros clientes enfocarse en su negocio principal.”
El Marqués, Querétaro·11–30 employees·Job shop
- ~Final assembly and box build
- ✓Electromechanical assembly
“Manufacturing cells automation”
Querétaro, Querétaro·251+ employees·Industrial supplier
- ✓Final assembly and box build
- ~Electromechanical assembly
- ✓ISO 9001
“LINEA DE ENSAMBLE POR MODULO”
Corregidora, Querétaro·101–250 employees·Industrial supplier
- ✓Final assembly and box build
“Querétaro, México: AGCO products which are manufactured, assembled and distributed here include tractors, combine harvesters and hay and forage equipment.”
El Marqués, Querétaro·101–250 employees·Industrial supplier
- ✓Final assembly and box build
“complementadas con procesos de ensamble, lavado y soldadura MIG y Spot Welding.”
El Marqués, Querétaro·51–100 employees·Industrial supplier
- ✓Final assembly and box build
“produce piezas estampadas, soldadas y ensambladas”
El Marqués, Querétaro·51–100 employees·Industrial supplier
- ✓Final assembly and box build
“Esta instalación se está utilizando como un centro de fabricación que abastece a la región minera de LATAM y sirve a nuestra base de clientes global.”