Thank you for your interest in our electrical test equipment company

With over three decades, Test Products Inc. (TPI), brings experience and expertise to every project. Our electrical test equipment company provides custom and cost-effective solutions to your specific needs. We are a turnkey supplier, manufacturing every connector in-house at our Michigan facility located in the Sterling Innovation District. A self-regulated and ISO 9001 registered company, we offer comprehensives services such as, engineering, manufacturing, assembly, custom software, and hardware design, prototype development, real-time web-based reporting, and 24 hour remote support. TPI electrical test systems are ergonomic, reliable, and durable to meet the industry’s highest standards.


TPI is focused on offering creative solutions as an electrical test equipment company. Please complete the form below and we will be in contact to discuss a custom solution to meet your application.

Business hours:
Monday – Friday: 7 a.m. – 5 p.m. ET

Phone – (586) 997-9600
Fax – (586) 997-9609

Company Address:
41255 Technology Park Drive
Sterling Heights, Michigan USA 48314