Flextron Circuit Assembly

Mon-Fri 8:00 am to 5:00 pm
Saturday 7:00 am to 12:00 pm
Sunday Closed
Opening Hours

(630) 766-1000

Welcome to Flextron Circuit Assembly

We Engineer and Build for You

Are you building a product that requires a reliable, high-quality electronic circuit assembly or box-build? If so, Flextron is your one-stop source for product realization, build, test, and ultimate success. We’re specialists in rigid and flexible Printed Circuit Board Assemblies (PCBAs) of all types and technologies, and we’re known for our superior quality, competitive pricing, and quick turn-around. We’ll plan, prototype, and build your PCB assemblies for you in low, medium, or high volumes, test and deliver them on time and on budget. Our highly-skilled and experienced engineering team can even help you design your PCB for optimum manufacturability and functionality.

Our Capabilities

We offer the latest in SMT, THT, BGA and Micro-BGA capability, in addition to mixed technology PCB assembly.

Rigid & Flexible PCB Assembly

Flextron Circuit Assembly can take on every aspect of your assembly process, We can just get started

Surface Mount Assembly

We are adept at assembling SMT PCBs of all sizes and types, and all three major types of SMT assembly

Through Hole Assembly

Our Plated Through-Hole assembly process accommodates the full spectrum of through-hole components

Mixed Technology Assembly

Mixed Technology assembly processes SMT and through hole components on either or both sides of PCB

Conformal Coating

Conformal coatings are essential to high reliability in PCB assemblies, like aerospace, medical devices.

Box Build/Mechanical Assembly

Flextron manufactures complex medical devices and box build with the highest reliability and quality


Advanced SMT (Surface Mount) PCB Assembly

We are adept at assembling SMT PCBs of all sizes and types, and all major classes of SMT assembly.

Engineering and Design

One of the most valuable services that an EMS can provide to a customer is engineering design support.

Design for Manufacturing

Product manufacturing challenges are identified in each step of the way and recorded properly.

Quick Turn Prototypes and Turn-key Production Assembly Services

At Flextron, our ability to turn around rapid prototypes and turn-key solutions for all sizes of production lots is second to none.

Your One-Stop Source for All Services

If you like to complete all operations at one location, you’re not alone; that’s why Flextron is your single source in-house.

Through-Hole & Mixed Technology Assembly

Our Plated Through-Hole (PTH) assembly process accommodates the full spectrum of through-hole components.


Military / Aerospace Industry
Military specifications can be challenging…

Medical / Hospital Industry
Equipment approvals and field trials may take a long time…

Lighting Industry
Energy is a big growth area for our sector of the PCB board industry…

Standards and Certifications

Flextron Circuit Assembly truly believes to build quality in product and right way to do it is; by the book. We have accredited certifications and qualified processes to prove superior quality of products built by Flextron. Working with companies that comply to international standards reduces the risk of errors and makes your own traceability easier. Read More

Our Qualifications and Certifications

  • AS9100 Certified
  • ISO 13485 Certified
  • ISO 9001 Certified
  • ITAR Registered
  • J-STD-001 Implementations
  • IPC-A-610 Class 2 and Class 3 Guidelines
  • RoHS Compliant
  • ANSI/ESD S20.20
Click to View AS9100 Certificate
Click to view ISO 13485 Certificate
Click to view ISO 9001 Certificate
Visit & Learn about ITAR
Visit & Learn about RoHS
Visit ipc.org