Al Neyer, Inc.
Allegheny Ludlum Corporation
Allequippa Terrace Partners
Angelo's Landscape Supply
Babcock & Wilcox Construction Co.
Baldwin Independent Fire Co. #1
Barry Stein Company
Bethel Park School District
Browns Hill Venture LP
California University of PA
Cambridge Ohio School District
Carl Walker Construction, Inc.
City of Mannington
Colonial Iron Works
Commonwealth of Pennsylvania
Commonwealth Renewable Energy
Consol Mining Company, LLC
Controlled Demolition, Inc.
County of Beaver, Pennsylvania
Department of Labor
DiRienzo Construction Company, Inc.
Dormition of the Theotokos Greek Orthodox Church
Eastern Industrial Services, Inc.
Eighty Four Mining Company
Farnham & Pfile
Fayette Recovery, Inc.
Greater Johnstown School District
Greene Energy Resources Recovery, LLC
Greyhorse Professional Services
Housing Authority of Lawrence County
Housing Authority of the City of Pittsburgh
Innovation Ridge Partners, LP
Iron City Brewing
Island Creek Coal Company
JTC1422 Associates, LP
John Zottola Landscaping, Inc.
Johnstown Redevelopment Authority
Johnstown School District
L P in Charge, LLC dba Frac Water Resources
Land Clearing Specialists
Marshall County School District
Mascaro Construction Co., Inc.
McKeesport Area School District
McKeesport (City of)
Mon River Industrial Group
Mt. Lebanon School District
National Development Company of Pennsylvania
Nello Construction Company
Ohio State University
Penn Hills School District
Pennsylvania Turnpike Commission
Phillipsburg Center Associates
Pittsburgh (City of), Bureau of Building Inspection
Pittsburgh (City of), Department of Construction and Engineering
Pittsburgh Job Corps Center
Prestley Heights, LP
Redevelopment Authority of Allegheny County
Redevelopment Authority of the County of Washington
Regional Industrial Development Corporation of Southwestern Pennsylvania
Southmoreland School District
Sports and Exhibition Authority
Susquehanna Area Regional Airport Authority
Tech 21 Partners, LP
The Salvation Army
Trammell Crow Company
Tram Construction, Inc.
Tube City, Inc.
Tri C Construction Company, Inc.
Tri State Development, Inc.
Trinity Contracting Inc.
Turner Construction Co.
United States Postal Service
United States Steel Corporation
Urban Redevelopment Authority of the City of Pittsburgh
Wheeling-Pittsburgh Steel Corporation
Yarborough Development Co.