Welcome to BESTProto

Where Speed Meets Precision

BESTProto is a leading U.S. electronics product development and contract manufacturer specializing in quick-turn PCB prototypes and electromechanical assembly services.

dots pattern

Electronics Manufacturing Services Experts

BESTProto ITAR Registered logo-
BESTProto NIST 800-171 logo
BESTProto AS 9100D logo
BESTProto ISO 9001:2015 logo

BESTProto is the leading Illinois-based electronics product development partner specializing in Quick-Turn electronics prototyping and assemblies. As an Electronics Manufacturing Services (EMS) Contract Manufacturer (CM), we specialize in high-mix low-volume (HMLV) prototyping and assembly solutions that meet evolving customer needs. Our commitment to quality and responsive support ensures a smooth path from concept to prototype and production runs, even for the most mission-critical projects.

dots pattern
From PCB / CCA prototyping to complex higher level assemblies

Get Your Prototypes Right
The First Time

At BESTProto, we have been working with the hardware development community for many years, supporting new product introduction (NPI) with quick-turn PCB prototypes, box builds, and electromechanical assemblies.

Over

2,500

Employees

6

Manufacturing Sites

7

Countries

1

Design Centers

Headquartered

In Illinois, USA

National
Presence

With our strategically located manufacturing footprint, we provide the flexibility and speed necessary to remain competitive. We work closely with customers from early-stage design through delivery, providing a broad range of application-specific, standards-based solutions.

Making
Sustainability
A Reality Today

Sustainability and innovation are Interplex’s core drivers to develop and produce products responsibly, while minimizing our environmental footprint and fostering our approach in giving back to society.