| Business | Phone |
| Highway Patrol 314 S Chestnut St, Mckinney 75069 | (972) 542-9413 |
| Highway Patrol 400 Powerhouse, Mckinney 75071 | (214) 733-5310 |
| Highway Patrol 825 N Mcdonald St # 180, Mckinney 75069 | (972) 542-9413 |
| Texas Rangers 400 Powerhouse, Mckinney 75071 | (214) 733-5390 |