Guild Associates is a Dublin, Ohio engineering and manufacturing company known for taking difficult technical problems from research through delivered systems. Its work serves commercial and military customers, with a particular history in chemical and biological defense and gas processing; the company’s gas-processing background dates to 2001, and its longest-running plant has operated since 2004. Guild operates an 11-acre laboratory and production complex in Dublin alongside a separate Delaware, Ohio media-production facility, and is ISO 9001:2015 certified.
ISO 9001:2015
Mendenhall Technical Services, IncSince its founding in 1980, Mendenhall Technical Services has built more than 40 years of gas-turbine packaging experience in Fairfield, Ohio. The independent company develops custom power modules for commercial and military customers, with engineering and production carried out at the same facility. Its quality system is certified to AS9100D, including ISO 9001:2015.FAIRFIELD, OH
SelectTech Services CorporationFor 42 years, SelectTech Services Corporation has been the lean, largely in-house team behind mission-critical defense work, earning repeat business by handling complex projects without the layers of larger contractors. Based in Ohio, it supports government and defense customers worldwide through C5ISR engineering, integration and sustainment, with its Springfield operation certified to AS9100D and ISO 9001:2015.CENTERVILLE, OH
GB ManufacturingFamily-owned since its beginnings as a tool-and-die shop in 1977, GB Manufacturing is a minority-owned Ohio company built around practical problem-solving for industrial customers. Its engineers develop tailored ways to reduce production cost and lead time, supporting work that can range from prototypes to millions of parts. GB operates five plants in Northern Ohio and holds IATF 16949, ISO 9001:2015, and AS 9100 certifications.DELTA, OH
SelectTech Services CorporationFor 42 years, SelectTech Services Corporation has built its reputation as a lean, largely in-house Ohio operation serving defense customers in mission-critical environments worldwide. The company provides end-to-end engineering and technical support for complex military systems, with a particular focus on reliability, rapid delivery and long-term sustainment. Its Springfield facility is certified to AS9100D and ISO 9001:2015.DAYTON, OH