Doyle Manufacturing Inc. is a custom machine shop and engineering resource specializing in electrical test fixtures. Our engineering expertise can help solve the difficult challenges that face the testing requirements of today's products. Doyle Manufacturing specializes in the design and fabrication of electrical test fixtures and cables. We aim to provide a product that promotes reliability and efficiency for your test station. Find the right solution for your product: custom test fixtures for any application including functional test fixtures, hi-pot test fixtures, and continuity test fixtures.