Non-Profit
- Allegheny County Health Department
- Chemical Manufacturers Association
- Commonwealth of Pennsylvania
- Heartwood Institute
- Homewood Montessori School
- Institute of Food Technologists
- Institute of Industrial Engineers
- Material Handling Institute
- McAuley Institute
- Mel Blount Youth Home
- National Oceanic & Atmospheric Administration
- National Science Foundation
- Pennsylvania Energy Office
- Pennsylvania House of Representatives
- Retirement Fund for Religious
- Sisters of Mercy of the Americas
- Sisters of the Order of St. Basil the Great
- Society of Manufacturing Engineers
- Society of Automotive Engineers
- U. S. Army Corps of Engineers
- Warriors of the Lakota
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Museum
- Bushy Run Battlefield
- Carnegie Museum of Natural History
- Carnegie Science Center
- Conner Prairie
- Delaware Natural history Museum
- Detroit Historical Society
- Fort Pitt Museum
- Franklin Institute Science Museum
- Historical Society of Western Pennsylvania
- Indianapolis Museum of Art
- Mahaffie Stage Coach Stop and Farm
- Meadowcroft Museum of Rural Life
- Missouri Historical Society
- Molly Maguire Auto Tour
- Museum of Our National Heritage
- National Shrine of St. Elizabeth Ann Seton
- Old Sturbridge Village
- Pennsylvania State Museum
- Pittsburgh Childrens Museum
- Rochester Museum
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Corporate
- Chrysler Corporation
- Consol, Inc.
- Contraves USA
- Draeger Safety
- Duquesne Light Company
- Ford Motor Company
- Kvaerner Metals
- NHK-TV, Japan
- PNC Bank
- PPG Industries
- Union Carbide Corporation
- United States Steel
- WHEMCO
- Zippo Manufacturing Company
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