Your Trusted Box Build Assembly Manufacturer
MFG One is your full-service box build assembly partner that focuses on accuracy, performance, and smooth execution. For OEM launching a new product or scaling up production, we’re the box build assembly manufacturers that bring it all together.


Full Turnkey Manufacturing Services
Count on us for complete support, right from early design input to final product delivery.
- Full-service box build assembly support: From design input to final product delivery.
- Turnkey assembly expertise: Integrating mechanical, electrical, and digital components.
- Quality and Compliance: FDA and ISO 13485-certified processes for quality assurance.
- Open-book pricing: Transparent pricing structures for clear cost management.
- Dedicated project support: Facilitating smooth coordination and on-time delivery.
Box Build Assembly Manufacturing Applications We Support
As trusted box build assembly manufacturers, we support a wide range of industries and product types with turnkey box build assembly services that deploy high-grade accuracy, scalability, and cross-functional expertise. From early-stage sub-assemblies to full system integration, we help you get your products to market faster.

We assemble electronic, mechanical, and software elements into fully functional, tested, and validated products.
Applications We Support
- Medical diagnostic systems combining PCBA, displays, and mechanical enclosures
- Industrial automation controllers with software integration
- Smart consumer electronics with multi-board assemblies and connected features
- Connected consumer appliances with IoT functionality and multi-board assemblies
- More…
Our contract manufacturing services include custom metal, plastic injection molding, and machined components that are fabricated and pre-assembled to streamline final integration and speed up production.
Applications We Support
- Enclosures and housings for consumer electronics
- Structural frames for industrial equipment
- Precision mechanical components for medical devices
- More…
Our approach to prototype development services focuses on optimizing products for performance, cost-efficiency, and seamless manufacturability. By applying global best practices early in development, we help reduce complexity, speed up production, and improve overall product quality.
Applications We Support
- Medical diagnostic systems combining PCBA, displays, and mechanical enclosures
- Industrial automation controllers with software integration
- Smart consumer electronics with multi-board assemblies and connected features
- Connected consumer appliances with IoT functionality and multi-board assemblies
- More…
Phases of Box Build Assembly Manufacturing
Experience seamless manufacturing with a rigorous process designed for maximum efficiency and quality. As turnkey box build assembly manufacturers, we help your products get to market faster by expediting design to delivery stages and assisting you in adhering to strict compliance standards.

Working closely with your engineering team, or ours, we review designs and amplify manufacturability.
Strategic sourcing of components, PCBs, metal, and plastic parts with quality and cost transparency.
PCBA manufacturing, custom metal stamping, and plastic injection molding production aligned to your specifications.
Complete assembly of mechanical and electronic systems into finished units.
Functional, environmental, and compliance testing for reliability and regulatory requirements.
Our Core Box Build Manufacturing Services
As leading box build assembly manufacturers, we deliver high-quality, end-to-end manufacturing support through streamlined processes and advanced turnkey capabilities. From individual components to fully assembled systems, we strive to optimize your product performance, scalability, and time to market.





Accelerating Your Product Development with 360° Box Build Manufacturing
As a contract manufacturer in the USA, we also support manufacturers in the UK, Canada, Mexico, and beyond for our tech stack, qualified professionals and strategic location that further help us drive speed, consistency, and quality at every step.
Let’s Build Something Great Together
Get in touch with us to discuss your manufacturing and turnkey assembly needs.
We’ll walk you through how our custom manufacturing services, transparent workflows, and real-time project tracking can support faster development cycles and deliver ready-to-ship products with vigor.