| Business | Phone |
| Hughes Associates Inc 8808 Falcon View Dr, Mckinney 75070 | (972) 529-9830 |
| Collin County Fire Marshall 825 N Mcdonald St 140, Mckinney 75069 | (972) 548-5576 |
| Mc Kinney Fire Dept 708 S Tennessee St, Mckinney 75069 | (972) 547-7650 |
| Mc Kinney Police Dept 130 S Chestnut St, Mckinney 75069 | (972) 547-7600 |
| Mckinney Fire Department 6600 Virginia Pkwy, Mckinney 75071 | (972) 540-5668 |