| Business | Phone |
| Us Milk Market Administration 830 Ne Loop 410 303, San Antonio 78209 | (210) 804-1478 |
| Us Agricultural Marketing Svc 1500 S Zarzamora St 110, San Antonio 78207 | (210) 222-2751 |
| Us Animal/Plant Health Inspctn 9800 Airport Blvd 2801, San Antonio 78216 | (210) 472-5060 |