| Business | Phone |
| Watershed Research Ctr Quonset Rr 1, Columbia 65201 | (573) 442-2803 |
| Central Missouri Research Svc 1708 Princeton Dr, Columbia 65203 | (573) 446-5525 |
| Chem Char 2005 Woodlea Dr, Columbia 65201 | (573) 449-8137 |
| Sinclair Research 4716 W Baxter Ct, Columbia 65203 | (573) 446-8254 |
| Sinclair Research Center Inc Columbia 65201 | (573) 446-6464 |
| Missouri Foundation-Med Rsrch 800 Hospital Dr, Columbia 65201 | (573) 499-0220 |
| Missouri Lions Research 404 Portland St, Columbia 65201 | (573) 443-1471 |