| 7-11 Stores | Lake Superior State University |
| AAA | Mead Paper |
| Alaska Regional Hospital | Michigan Masonic Home |
| Allegheny General Hospital | Michigan National Bank |
| American Natural Resources Corp | Michigan State University |
| Ameritech | Micron Technology |
| Bank of America | Millard Fillmore Hospital |
| Bechtel | National Institute of Health |
| Blodgett Medical Center | NCH Chemical |
| Bodine Aluminum | North Oakland Medical Center |
| Budget Rent-A-Car | Notre Dame University |
| Central Baptist Hospital | Novell Corporation |
| Children's Hospital | Nuclear Regulatory Commission |
| City of Plymouth, Michigan | Oakland University |
| Conemaugh Hospital | Park Place Church of God |
| Cooper Bussman | Philadelphia International Airport |
| Cranbrook Institute of Arts | Providence Hospital |
| Cribbs Retirement Center | Raritan Bay Medical |
| CRSS Capitol | Raytheon Company |
| Cuyahoga County Coroner's Office | Reading Hospital |
| Detroit Deisel Corporation | Rochester Institute of Technology |
| Digital Equipment Corporation | Severence Hall |
| Dow Corning | Shelter Insurance |
| Durr Industries | Slippery Rock University, PA |
| Ford Motor Company | Sparrow Hospital |
| Freeport Memorial Hospital | Spotts University |
| Fulton County Courthouse | St. Luke's Hospital |
| General Motors Corporation | State of Michigan |
| Gerber Corporation | The Pentagon |
| Harrisburg Federal Building | U.S. Air Force |
| Hertz Rent-A-Car | U.S. Army Corps of Engineers |
| Hillman Cancer Center | U.S. Federal Court System |
| Holiday Inn | University of Michigan |
| Home Depot | University of Pennsylvania |
| Hyundai Corporation | University of Pittsburgh |
| Inducto Heat | Warren General Hospital |
| Kellogg Foods | Washington General Hospital |
| Kenosha Hospital | Westinghouse |
