| Business | Phone |
| Us Agricultural Dept 1714 Commerce Ct # C, Columbia 65202 | (573) 449-3033 |
| Us Agricultural Dept 310 Watson Pl, Columbia 65201 | (573) 875-5349 |
| Us Agricultural Dept W Route K, Columbia 65203 | (573) 875-5361 |
| Us Agricultural Research Svc 608 Cherry St # 102, Columbia 65201 | (573) 875-5291 |