History Home » About Us » History 1905 Defiance Screw Machine established 1931 Toledo Stamping established 1974 Sandco Automotive established 1975 Began production Ford Essex rocker arm 1980 Initiated production of needle bearing cam follower roller 1992 Initiated production of Ford Modular roller finger follower 2002 Merged Toledo Technologies and Defiance Precision into GT Technologies 2004 Valvetrain technical Center in Westland is opened 2006 Curitiba manufacturing facility opens in Brazil 2006 Purchased Precision Engine Products from Stanadyne 2013 Dual feed hydraulic lash adjuster awarded 2014 Stamped fuel injector clamp awarded 2017 Acquired by Industrial Opportunity Partners 2018 Betty Machine merged into GT Technologies 2020 Czech Republic facility began production on roller finger followers. Talk with a GT Technologies Pro Experience our manufacturing excellence for yourself. Our experts are eager to go the extra mile to be your turnkey solutions provider. Find out today how working with an industry leader in innovation and customer service can benefit your manufacturing and production needs. Contact Us CREATIVE SOLUTION THROUGH INNOVATION Address: 5859 Executive Dr E Westland, MI, 48185 Phone: +1 734-749-9728 HOME SOLUTIONS PRODUCTS QUALITY MARKETS ABOUT US CAREERS CONTACT PRIVACY POLICY SUPPLIER INFORMATION © 2021 GT Technologies | Powered by Momentum