V G Controls

Operational for more than 45 years, QEI is one of the oldest suppliers of SCADA systems for electric, transit and water and wastewater utilities in the world. QEI's electronic devices are designed to satisfy the needs of the utility industries with rugged, programmable and off-the-shelf assemblies. Its multifunction gateway systems are designed with standard hardware and software modules and are assembled and customized to form integrated systems. QEI is a full-service company that operates through engineering, manufacturing, training, and service departments. Its products include tone telemetry, feeder automation, master station and substation automation equipment. Its ISO 9001:2000 certification covers software and hardware development, project management, engineering, manufacturing, testing and support services. The company has a business partnership with Hewlett-Packard.

Heat-Timer Corporation manufactures a complete line of heating controls for the heating, ventilating and air conditioning/refrige and plumbing industry. The company offers an array of products, such as BACnet, Modbus, Internet, DHW energy saver, DIGI-SPAN HWE-Elite and SEQ-3 Series, EPU EPU-CH, sensors, precision tempering valves and many more. Its products are used in a variety of applications, such as communications, two, three and four-way motorized valves, condensing boiler controls, domestic hot water controls, obsolete products and more. Heat-Timer Corporation is an ISO 9001 certified company.

Inertia Switch Inc is a full-service design, engineering, and manufacturing firm founded in 1950. Since our inception, we have designed, qualified, and delivered thousands of types of products. We specialize in acceleration switches of all kinds, but we also manufacture limit switches, prostheses, incandescent digital displays, and many other standardized and unique products.For fifty years customers in every demanding field ( military, aviation, space, marine, industrial, transportation, laboratory, medical, among others ) have turned to us with exacting requirements for critical applications in often harsh environments. Our consistent reliability and quality has helped us build a strong reputation and loyal customer base that includes most major aerospace OEM's.Our patented "Magnetically Restrained Seismic System" represents a significant advance in the state of the art of motion sensing and acceleration measurement. This system is utilized in the majority of our acceleration switches. These switches have established a unique record of accuracy and reliability in an array of programs throughout the world.