PA&E makes ceramic EMI/RFI filters for use in electronic packaging including microwave high-frequency packages, a flexible leaded filter with a rated voltage from 50 - 500VDC and a rated current of 5 Amperes, and broadband low-pass filters with insertion-loss of 20, 40, or 60dB/decade with voltage ratings from 50 VDC to 240 VAC and current ratings of .10Amp to 50Amp. Applications include microwave filtering, medical grade, and military specifications.

CED/Mosebach is an electrical supplies distributor out of Pittsburgh, Pennsylvania. They carry lines of products from manufacturers like Allen-Bradley. Their inventory also includes Rockwell Automation software, automation controls and Kessler-Ellis products among it.

The Hite Company distributes electrical supplies and lighting products. Their products also include automation & control, data communications, electronic components, professional audio/video, power quality, and surveillance & security products. The Hite Company is an authorized distributor of Square D/Schneider Electric, Osram Sylvania, Hubbell, Lithonia Lighting, Leviton and Thomas & Betts.

DRV is a New York distributor of servo controllers and drives, AC servo motors, brushless servo motors, actuators, gear reducers, open loop variable frequency drives, closed loop vector drives,  DC drives, programmable field temperature modules and replacement systems for existing Autocon control panels.

Electric Supply Online is a distributor of lighting, heating and wiring products including switches, dimmers, fans, heaters, baseboards, recessed lights, circuit breakers, wiring devices, outdoor lights, light fixtures, light bulbs, wall plates and exit and emergency lights.

Fox Electrical Supply Company is a distributor of electrical supplies for electricians and contractors in Philadelphia, Pennsylvania.  Products include switches, fans, heaters, boxes, troughs, wiring devices, transformers, tools, fuses, lighting fixtures, distribution equipment, controls, timers, conduit and conduit fittings.

Source4Data carries circuit breakers from Cutler Hammer and Q-mark heating products, through their on-line store. They also sell other electrical products that are available mail-order/by phone.

West Way Electric Supply Online provides a large inventory of electrical supplies including circuit breakers, panels, thermostats, baseboard heat, light fixtures, bulbs, dimmers, smoke detectors, wire, cable, motors, saftey switches, timers and much more. Manufacturers include Progress, Simkar, Eagle, Leviton, GE, Nutone, Murray, Challenger, Eaton and others. 

 Cardello Electric is a distributor of electrical products and lighting serving commercial, institutional, residential, industrial, construction and utility markets throughout Pennsylvania, Ohio and West Virginia. Their expertise and products include special compression fittings, step-down transformers or waterproof in-line fuseholders and other "unique" items.

Colonial Electric Supply is an electrical distributor serving from locations in Pennsylvania, south New Jersey and Delaware. Customers range from electrical contractors, manufacturing companies, to schools, residential management companies, municipalities and homeowners. Inventory represents a lot of manufacturers from 3M and ABB to Zenith.

Monarch Electric Co. supplies basic electrical equipment used in any building - wiring, conduit, distribution panels, and transformers for example. In addition, Monarch sells end-use components, such as light fixtures, bulbs and outlets.

US Electrical Services is a wholesale distributor of electrical products and related services that is comprised of several suppliers including Fox Electric, Lade, Electric, Monarch Electric Maurice Electrical, Danar Lighting, Max Goldman, Standard Electrical and others. 

Service Electrical Supply Company serves the greater Pittsburgh, Pennsylvania area catering to electrical contractors, OEMs, commercial, residential markets, schools, hospitals, mills and others. They carry products from Sylvania, Leviton, Raco and more, with a wide selection of different types of lighting also.

Weber Electric Supply is a full-line electrical distributor for industrial, commercial, institutional and residential applications. They serve northwestern Pennsylvania, southwestern New York and northeastern Ohio with products ranging from high-voltage & personal protection equipment, to bus duct, landscape lighting and high voltage terminations.