Areva T&D Instrument Transformers ; Waynesboro, GA -- Instrument Transformers from 69-550kv; Line Traps and Reactors

Areva T&D Switches ; Montreal, Canada -- Air Break disconnect switches for Substation and Transmission applications

Bitronics ; Bethlehem, PA -- Measuring and recording meters

Cooper Power Systems; Waukesha, WI -- (for non-utility customers) Transformers and specialty Fluid (FR3); Distribution Apparatus Equipment.

CTC Cable Corporation ; Irvine, CA -- ACCC Transmission Cable

Delta - Unibus; North Lake, IL -- Isolated Phase Bus Duct Non-Segregated Bus Duct Systems

DIS-TRAN: Pineville, LA -– Substation and Transmission Packaging solutions

Dynamic Ratings ; Pewaukee, WI -- Monitoring, Control and Communication for Power Transformers

Electroswitch: Weymouth, MA -– Instrument and Control Switches and Lock-out relays

High Voltage Supply (HVS); Dallas, TX -- Transformer and LTC parts and services; Training and seminars

Mitsubishi Electric Power Products; Warrendale, PA -- SF6 Power Circuit Breakers, GIS Substations, HVDC Stations and FACTS Technologies

Newell Porcelain Co.: Newell, WV -– Station and Line Post Insulators; Transmission and Distribution Insulators

Powell Electrical Manufacturing Co.; Houston, TX -- Power Control Rooms, Metal Clad Switchgear and Motor Control Centers

Powell Apparatus Service Division – ; Houston, TX -- Metal Clad Switchgear maintenance and replacement; Retrofill and Replacement Circuit Breakers

Ritz Instrument Transformers ; Lavonia, GA -- 5-69kv dry type Instrument Transformers for substation applications

Storage Battery Systems (SBS) ; Menomonee Falls, WI -- Nickel-Cadmium and Lead Acid Batteries; Battery Chargers