| Business | Phone |
| Thomas Scientific Seattle 98101 | (206) 343-5979 |
| Micromedic Systems 727 N 70th St, Seattle 98103 | (206) 784-6563 |
| Varian Associates Inc 3965 Evanston Ave N, Seattle 98103 | (206) 633-0502 |
| Promega Corp Seattle 98112 | (206) 326-5945 |
| Radiation & Energy Balance Inc Po Box 15512, Seattle 98115 | (206) 624-7221 |
| Science Art & More 6417 Roosevelt Way Ne 104, Seattle 98115 | (206) 524-3795 |
| Washington Procurement Supply 3635 Thorndyke Ave W, Seattle 98119 | (206) 301-9624 |
| Northwest Technical Co 1833 N 105th St 101, Seattle 98133 | (206) 523-7228 |
| Scientific Supply & Equipment 926 Poplar Pl S, Seattle 98144 | (206) 324-8550 |
| Thales Avionics Inc 641 Industry Dr, Seattle 98188 | (206) 575-0920 |
| Vwr Scientific 355 Treck Dr, Seattle 98188 | (206) 575-6736 |