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Mechanical Contractors Association
Builders Guild of Western PA
International Brotherhood of Electrical Workers Local Union No. 5
Operating Engineers (Local 66)
Schneider Downs & Company, Inc.
SSM Industries, Inc.
Willis Towers Watson
Alliant Insurance Services
Arnett Carbis Toothman LLP
Case | Sabatini
CENTRIA
Civil & Environmental Consultants, Inc.
The ERECT Funds
Kalkreuth Roofing & Sheet Metal, Inc.
Langan Engineering & Environmental Services
Meyer, Unkovic & Scott LLP
Mobile Medical Corporation
Phoenix Roofing, Inc.
Rimkus Consulting Group
Ruthrauff | Sauer, LLC
Seubert & Associates, Inc.
Tall Timber Group
Tri-State District Council of the OPCMIA
Western PA NECA