TBD Enterprises provided training to employees of the following companies:
 | Agouron Pharmaceuticals, Inc |
| Allied Signal |
| Baxter |
| Bayer Corporation |
| Bethesda Proving Grounds, US Army |
| Biotechnical Services |
| Boeringer Ingelheim Pharmaceuticals |
| CIIT |
| CoGraham Associates, Inc |
| COR Therapeutics |
| Dow Corning |
| Dupont |
| Dupont Agricultural Products |
| Eastman Kodak Company |
| Eli Lilly |
| Genzyme |
| Glaxo Wellcome |
| Hukill Chemical Company |
| Invetro Technologies |
| McKenzie Laboratories |
| NCH Corporation |
| North Carolina State University |
| Northeast Bioanalytical |
| Park Davis Pharmaceutical Research |
| Perdue Pharm, L.P. |
| Pfizer, Inc |
| Primedica Corporation |
| Research Triangle Institute |
| Searle/Monsanto |
| Southern Research Institute |
| TAP Harding |
| TEXms, Inc |
| United Air Products |
| USDA National Wildlife Research Center |
| Valent |
| Vistakon- division of Johnson & Johnson |
| Warner-Lambert |