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Accelerating EMS Prototypes, Quotes, Advantage

Making Products Smarter for 40 Years

For over 40 years, OES has been perfecting rapid electronic prototyping, manufacturing, and assembly. We’re fast, focused, and flexible, so we can finish the work sooner—without ever compromising on quality

1000+
EMS prototype designs developed
67+
countries our products are used in
16
patents
42
years in business
  • Yellow train with lots of cargo heading towards the camera.
  • Women in blue lab coat working on factory floor.
  • A modern grain elevator facility in a small rural town.
  • Programmer working in a software developing company office
  • Hospital workers pushing bed down a medical building hallway.

EMS Services Built on a Legacy of Excellence

We’re a total Electronics Manufacturing (EMS) solutions provider offering a full range of in-house services including:

✔️ PCB assembly

✔️ Prototyping and NPI

✔️ Electronic engineering services

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Advanced Production Facilities Designed To Succeed

Whether it’s a turnkey design, a contract manufacturing (CM) partner, rapid prototyping, new product introduction (NPI) solution, or a custom software solution, we have the facility space, top-of-the-line equipment, and employee talent to meet your EMS needs.

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Unmatched Expertise and Experience

Our engineering and technical expertise shines across the most diverse and exciting industries. From transportation, defense and technologies, to healthcare, sports and entertainment we can bring your mission-critical or game-changer product to market quickly.

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Ready To Bring Your Idea To Life?

As a full-service design and manufacturing firm, we can help you at any level of the process, from idea and prototype to engineering, manufacturing, and assembly.