STC, Inc. provides engineering and manufacturing services for three primary markets: ELECTRONIC MANUFACTURING SERVICES (EMS) Advanced-turnkey engineering and manufacturing services for a wide range of electronics applications, including aerospace, defense, and high-realiability commercial and industrial. Our focus is on low to medium-volume assemblies with a high degree of complexity. TRANSFORMER MANUFACTURING Custom transformers, inductors, and coils for electronics applications. We are capable of producing transformers up to 10 KVA, with designs that cover a broad range of transformer types and applications, which include aerospace, defense, medical, broadcasting, marine, and more. EMTRAC PRIORITY MANAGEMENT & SAFETY STC handles the full development and manufacturing of the EMTRAC System, which is the technological leader in traffic-signal priority management and transportation safety. The EMTRAC System is used throughout North America by industry-leading first-response, transit, and traffic agencies.