| Company | Location | Phone |
| 3M | Saint Paul, MN | 651-733-1110 |
| Abbott Laboratories | Abbott Park, IL | 847-937-6100 |
| Allergan, Inc. | Irvine, CA | 714-246-4500 |
| Alpharma US Pharmaceuticals Division | Baltimore, MD | 410-298-1000 |
| American Home Products | Madison, NJ | 973-660-5000 |
| Aventis-Hoechst Celanese Corp. | Warren, NJ | 908-231-2000 |
| Bayer Corp. | Pittsburgh, PA | 800-229-3727 |
| Bertek Pharmaceuticals, Inc. | Morgantown, WV | 888-823-7835 |
| Block Drug Co. | Jersey City, NJ | 201-434-3000 |
| Bristol-Myers Squibb Co. | New York, NY | 212-546-4000 |
| Carter-Wallace | New York, NY | 212-339-5000 |
| Chattem, Inc. | Chattanooga, TN | 423-821-4571 |
| Church & Dwight Co. | Princeton, NJ | 609-683-5900 |
| Ciba Specialty Chemicals | Tarrytown, NY | 914-785-2000 |
| Combe, Inc. | White Plains, NY | 914-694-5454 |
| Del Laboratories, Inc. | Farmingdale, NY | 800-952-5080 |
| Duramed Pharmaceuticals, Inc. | Cincinnati, OH | 513-731-9900 |
| Eli Lilly | Indianapolis, IN | 317-276-2000 |
| Forest Laboratories, Inc. | New York, NY | 212-421-7850 |
| G.D. Searle | Skokie, IL | 847-982-7000 |
| Genentech | South San Francisco, CA | 650-225-1000 |
| Glaxo Wellcome, Inc. | Research Park, NC | 919-248-2100 |
| Hoechst Marion Roussel | Kansas City, MO | 816-966-4000 |
| Hoffmann-La Roche, Inc. | Nutley, NJ | 973-235-5000 |
| ICN Pharmaceuticals, Inc. | Coast Mesa, CA | 714-545-0100 |
| Johnson & Johnson | Skillman, NJ | 908-874-1000 |
| Kimberly-Clark Corp. | Neenah, WI | 920-721-2000 |
| Knoll Pharmaceuticals Company | Mount Olive, NJ | 973-426-2600 |
| LifeScan, Inc. | Milpitas, CA | 408-263-9789 |
| McNeil Consumer Products Co. | Fort Washington, PA | 215-273-7000 |
| Mentholatum Co. | Orchard Park, NY | 716-882-7660 |
| Merck & Co. | White House Station, NJ | 908-423-1000 |
| Mylan Laboratories Inc. | Pittsburgh, PA | 412-232-0100 |
| Novartis Corp. | East Hanover, NJ | 973-781-8300 |
| Perrigo | Allegan, MI | 616-673-8451 |
| Pfeiffer Pharmaceuticals, Inc. | Atlanta, GA | 404-614-0255 |
| Pfizer, Inc. | New York, NY | 212-573-2323 |
| Pharmaceutical Research Mnuf. of Am. | Washington, DC | 202-835-3400 |
| Pharmacia Upjohn Co. | Kalamazoo, MI | 616-323-4000 |
| Rhone-Poulenc Rorer, Inc. | Collegeville, PA | 610-454-8000 |
|
Ross
Products Division (Abbott Laboratories) |
Columbus, OH | 614-624-7677 |
| Sanofi Winthrop, Inc. | New York, NY | 212-551-4000 |
| Schering-Plough Corp. | Madison, NJ | 973-822-7000 |
| Searle & Co | Chicago, IL | 847-982-7000 |
| Smith Kline Beecham | Pittsburgh, PA | 800-456-6670 |
| Thompson Medical Co. | West Palm Beach, FL | 561-820-9900 |
| Warner-Lambert Co. | Morris Plains, NJ | 973-540-2000 |
|
Whitehall
Robbins Labs (American Home Products) |
Madison, NJ | 973-660-5500 |
| Whitehall Robbins Healthcare | Richmond, VA | 804-257-2000 |
|
Wyeth-Ayerest
Laboratories (American Home Products) |
Saint Davids, PA | 610-971-5400 |
| W. F. Young, Inc. | Springfield, MA | 413-737-0201 |
| Zeneca Inc. | Wilmington, DE | 302-886-3000 |