City of Pittsburgh Department of General Services

Pittsburgh Water and Sewer Authority

Allegheny County Department of M/W/DBE

Ernest and Young, Toronto, Canada

Pennsylvania Department of Commerce

Mascaro Construction Company, LP

Huber, Hunt Nichols/Mascaro Construction Co., LP (A Joint Venture)

Forest City Commercial Construction Co.

Pittsburgh Steelers

Allegheny County Housing Authority

Jathomas Rubber Estate, Ltd, Nigeria

Monongahela National Forest

Pathline Laboratories

Metropolitan Washington Airport Authority

Urban Redevelopment Authority of Pittsburgh