M Specialties LLC has supplied high-quality consumables for semiconductor device testing since 1975. M Specialties LLC is a business that is privately held and run.

We provide engineering, design, manufacturing, and assembly services for semiconductor-specific test boards and test sockets at our Arizona location. We are able to guarantee that every aspect of the design and production process is completed correctly, and that every product we produce will live up to the high standards of quality that M Specialties LLC has made its reputation.

We provide a Test Interface Unit that is designed according to your specifications, on schedule, and within your price range. Our commitment to providing excellent customer service and years of experience will guarantee that you receive the test hardware that