| Name | Count | Years active |
|---|---|---|
| American Concrete Institute | 4 | 1993-1995 |
| NACE | 3 | 1993-1994 |
| Distributed by Eisenbrauns | 2 | 1996 |
| American Foundation for the Study of Man | 2 | 1996 |
| Knopf | 1 | 1995 |
| American Nurses Association | 1 | 1994 |
| Barrie & Rockliff the Cresset P. | 1 | 1969 |
| Oxford University Press | 1 | 1997 |
| Bantam Books | 1 | 1997 |
| Scientists Center for Animal Welfare | 1 | 1996 |