Altech corp. / Pulsotronic prox switches Anderson power Appleton Asco valves Asco switch Brady Electri-Flex Federal Signal Furnas General Electric Co. Halfen anchoring systems Hoffman Enclosures Ideal Issc Moeller Electric (Klockner) Littelfuse / Powergard Lithonia Lighting 3m tapes and wire nuts Minerallac straps & fittings Parker Gold Ring valves P&S Pass and Seymour Plymouth Rubber Roofwalk systems Siemens Telespar Telestrut T&B Thomas and Betts Unistrut United grating interlock