| Business | Phone |
| Avigene Services Inc 565 Science Dr 600, Madison 53711 | (608) 238-3405 |
| Westlab 3473 Dell Dr, Madison 53718 | (608) 221-9510 |
| Deibel Laboratories Inc 103 S 2nd St, Madison 53704 | (608) 241-1177 |
| Silliker Laboratories Of Wi 3688 Kinsman Blvd, Madison 53704 | (608) 249-9112 |
| Prism Analytical Inc 1902 Tennyson Ln, Madison 53704 | (608) 249-8680 |
| Qualtim Inc 6300 Enterprise Ln, Madison 53719 | (608) 271-1176 |
| Kendrick Laboratories Inc 1202 Ann St, Madison 53713 | (608) 258-1565 |
| Adac Labs 5520 Nobel Dr, Madison 53711 | (608) 271-7948 |