Babcock & Wilcox Corporation CEA Kennedy Cogen Operation Centrifugal Mechanical Corporation Con Edison Company of New York Dormitory Authority State of New York ECI Buildings Corporation GEA Power Cooling, Inc. Grace Emission Controls Great Neck Housing Authority Hicksville School District Hinck Electric Corporation John P. Picone, Inc. Long Island Lighting Company McGill AirClean Corporation Mirant Power Corporation Montenay Corporation MPN/Cleaver Brooks Corporation Nassau County Medical Center NYC Police Department NYC Dept of Environmental Protection NYC Dept of Public Works NYC Dept of Sanitation NYC Economic Development Corporation NYC Health & Hospital Corporation NYC Transit Authority Ogden Martin Systems State University Construction Fund State University of New York Suffolk County Water Authority The Port Authority of NY & NJ Tishman Construction Corporation Tully Construction Company Turner Construction Company Zurn Energy Division