| Business | Phone |
| National Agricultural Stats 210 Walnut St 833, Des Moines 50309 | (515) 284-4340 |
| Us Animal Plant Health Inspctn 210 Walnut St 891, Des Moines 50309 | (515) 284-4140 |
| Us Food & Drug Administration 210 Walnut St 469, Des Moines 50309 | (515) 323-2760 |
| Us Agricultural Dept 200 Walnut St, Des Moines 50309 | (515) 284-4471 |