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End-to-End Test Capabilities From a Proven Expert

WTI (formerly Wineman Technology, Inc.) specializes in test systems and test cell applications with a focus on dynamometer and hydraulic test systems, hardware-in-the-loop (HIL) simulation, and custom test machines. 

Unlike other companies where test plays a partial role, WTI’s singular focus is the design and development of test equipment for advanced R&D, functional test labs, and manufacturing across a wide range of industries including aerospace, automotive, medical, and energy. WTI teams have helped organizations navigate complex test challenges and delivered hundreds of successful test solutions over the last 30 years.

In 2020, WTI joined CertTech, an expert in mission-critical and safety applications, to further extend end-to-end test capabilities and regulatory compliance for leading Fortune 500 companies and prime contractors.

CertTech excels in electronics and software testing, with a focus on compliance for highly regulated industries and classified projects. Together, CertTech and WTI can sustain organizations throughout the entire product lifecycle – from planning and strategy to MIL, SIL, and HIL, to regulatory compliance and maintenance and support. 

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Strategic Engineering Support

Whether a client needs an end-to-end test solution or has a growing need for specific test engineering competencies, we have the proven knowledge and skills that will mitigate technical, supply, and budget risks while providing a trusted test solution. At WTI, our engineers are immersed in test solution development and serve as an expert resource, advisor, and development partner. We meet test challenges with not just theoretical knowledge but the actual experience of hundreds of successful deployed test solutions across a wide range of industries.

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Our Leadership Team


Saginaw, Michigan

1668 Champagne Drive North
Saginaw, MI 48604

Clarkston, Michigan

7151 N. Main Street
Clarkston, MI 48346

Raleigh, North Carolina

12335 Wake Union Church Rd. #201
Wake Forest, NC 27587

Ready to get started? The first step is to contact one of our applications engineers who will be your guide as we begin to work together.

To Get Started Click Here