| Business | Phone |
| Denison Fire Dept 108 W Main St, Denison 75021 | (903) 465-2720 |
| Denison Fire Dept 700 W Chestnut St, Denison 75020 | (903) 000-1111 |
| Denison Southside Fire Station 3307 Spur 503, Denison 75020 | (903) 464-4420 |
| Denison West End Fire Station 2720 W Morton St, Denison 75020 | (903) 464-4421 |
| Grayson County Airport Fire 4700 Airport Dr, Denison 75020 | (903) 786-9841 |