Menzies Metals - Manufacturer and distributor of construction building products for plumbing, roofing, ventilation: stock, steel building, drain products, heating, ventilation, roof tile, plumbing, custom, heating Ionics - Manufacture and sales of membranes and related equipment for the purification, concentration, treatment and analysis of water and wastewater. Trolex Corp - Manual and automatic motorized air control dampers for the OEM market, for residential and light commercial applications. Simon's Supply Co., Inc. - Plumbing and heating supplies, residential, commercial and industrial. Michael-Stephens Company - Manufacturer of seal repair kits for hydraulic and pneumatic cylinders, pumps and valves. Contains cross reference from oem's and complete listing of worldwide distributors. Envirosep - Manufactures totally integrated engineered systems that provide cost effective and innovative solutions specializing in, heat transfer, packaged pumping systems and heat recovery systems. RBA Mechanical Inc. - Smoke detectors, carbon monoxide detectors, bio-clean for your drainage systems. Y2k heating solutions, filters. HVAC Tool - Hvac tools and equipment. Whitecaps - Manufacturer of stainless steel and copper custom chimney caps, covers, fireplace dampers, handles and supplies for chimney sweeps. Luwa - Offer Air treatment systems for the textile industry, and HVAC systems for commercial and residential use. Also provide cleanroom systems. A division of Zellweger Luwa AG. AM Conservation Group - Weatherization, water and energy conservation products, smoke and carbon monoxide detectors. Richards - Wilcox - Manufacturer of spacesaving office filing systems. Caverion GmbH - Germany. Diversified company, active in facility engineering and technical facility management, research and development, and industrial products. Air-treatment systems for HVAC certified environment and industrial plants. Technical information. English and German. Oatey: Hercules - A line of chemicals and other specialty products for the plumbing and heating industry.