| Business | Phone |
| Us Agricultural Dept 111 S Mason St, Fort Collins 80524 | (970) 495-3206 |
| Us Agricultural Dept 3825 E Mulberry St, Fort Collins 80524 | (970) 498-1500 |
| Us Agricultural Research Svc 1201 Oakridge Dr # 150, Fort Collins 80525 | (970) 229-5557 |
| Us Agricultural Research Svc 315 W Oak St, Fort Collins 80521 | (970) 490-8383 |
| Us Animal Plant Health Inspctn 4101 La Porte Ave, Fort Collins 80521 | (970) 266-6000 |
| Us Animal Plant Health Inspctn 555 S Howes St, Fort Collins 80521 | (970) 490-8000 |
| Us Crops Research Laboratory 3028 N County Road 11, Fort Collins 80524 | (970) 223-7017 |