PA Transformer Technology Inc

Founded in 1963, Tri State Supply Company is a full line wholesale distributor of electrical and automation products. It offers products, including alarms signal and system, ballasts/transformers, barcode readers, computer, industrial, emergency light, switches, receptacles, plates, plugs and electric heating equipment. In 1977, Tri State Supply Company was declared as an authorized Allen-Bradley Rockwell Automation distributor and the first distributor to receive Automation Appointment in Rockwell's distributor channel. The company is located in Washington, Pa.

Founded in 1976, LaFace and McGovern Inc. is one of the largest and most professional lighting agencies in Western Pennsylvania/ West Virginia. The firm consists of specialty lighting division that serves the stage and studio markets for both lighting and dimming needs. It serves the areas, including West Virginia, Southern Ohio and Eastern Kentucky. The firm caters to different sectors, such as commercial, school/ universities, churches, casinos, public spaces and many more. Some of its clients include Pittsburgh Builders Exchange, Lightfair International, Pittsburgh Green Building Alliance and Altoona Builders Exchange.

AYA Instruments offers a line of high precision clamp-on current probes with models that can measure alternating current or direct currents ranging from 1 milliampere to 15,000 amperes. The organization is an engineering and manufacturing company that designs and markets precision electronic measuring instruments and metering transformers. Its products are used by the electric power industry and for process control applications. AYA Instruments was established in 1990 in Pittsburgh.