Schneider Electric Metering
Schneider Electric is an energy information technology company founded on innovation and a global leader in enterprise energy management systems. Products and services help energy suppliers and consumers take control of the cost and quality of energy.

Schweitzer Engineering Laboratories
SEL partners with customers around the world to ensure the safe, reliable, and economical delivery of electric power. SEL designs, manufactures, and supports a complete line of products and services, including generator, motor, transformer, distribution and transmission protection as well as distribution automation and control systems.

Doble Engineering Company
Doble Engineering has been serving the electric power industry by providing diagnostic instruments, services and knowledge for 85 years. The company also maintains the industry's most extensive resource library of apparatus test results and knowledge. Testing equipment for circuit breaker diagnostics, relay testing, partial discharge detection, transformer insulation analysis, transformer sweep frequency response analysis and more

RuggedCOM Inc “Industrial Strength Networks
Industrially Hardened WiMax Systems, Managed and Un-managed Ethernet Switches, Routers, Serial Servers, Media Converters, and Network Management Software.

Arbiter Systems Inc.
Arbiter Systems®, Inc. designs and manufactures quality electronic timing, test and measurement equipment for the global Power Industries, specializing in portable calibrators, meters, and GPS timing frequency products. Arbiter Systems, Inc. also provides accessories and engineering services.

Radian Research, Inc
Radian Research, Inc. is the recognized industry leader in North America for watthour reference standards, watthour meter test accessories and automated laboratory calibration systems. Radian provides both portable and primary watthour reference standards that are absolutely unequaled in accuracy, stability and reliability. Radian customers typically consist of electric utility companies, watthour meter manufacturers, watthour meter test board manufacturers and governmental bureaus of energy measurement reference.

RHM International
RHM International creates, develops and manufactures high voltage, high quality products using its unique, innovative and high performance dry type insulation technologies including Current Transformers, Wall Bushing & Special Bushings and Transformer Bushings