| Business | Phone |
| Astra Zeneca Pharmaceuticals 701 Pennsylvania Ave Nw # 500, Washington 20004 | (202) 289-2570 |
| Aventis 801 Pennsylvania Ave Nw # 725, Washington 20004 | (202) 628-0500 |
| Bristol-Myers Squibb Co 655 15th St Nw # 300, Washington 20005 | (202) 783-0900 |
| Chiron Corp 655 15th St Nw # 450, Washington 20005 | (202) 393-6540 |
| Eli Lilly & Co 555 12th St Nw # 650, Washington 20004 | (202) 393-7950 |
| Genentech Inc 1399 New York Ave Nw # 300, Washington 20005 | (202) 296-7272 |
| Lrx Pharmaceuticals Inc 1826 R St Nw, Washington 20009 | (202) 518-0200 |
| Merck & Co Inc 601 Pennsylvania Ave Nw # 1200, Washington 20004 | (202) 638-4170 |
| Municipal Drug Store 2000 14th St Nw # 1, Washington 20009 | (202) 745-1040 |
| Pharmaceutical Care Mgmt 601 Pennsylvania Ave Nw, Washington 20004 | (202) 756-7210 |
| Porton International Inc 1155 15th St Nw # 315, Washington 20005 | (202) 223-3737 |