| Business | Phone |
| Harrison County Agriculture 102 W Houston St, Marshall 75670 | (903) 935-8413 |
| Honorable Rodney Gilstrap 200 W Houston St 315, Marshall 75670 | (903) 935-4805 |
| Harrison Cnty License & Weight 200 W Houston St, Marshall 75670 | (903) 935-4878 |
| Harrison County Bldg Mntnc 200 W Houston St, Marshall 75670 | (903) 935-8419 |
| Harrison County Commissioner 200 W Houston St 313, Marshall 75670 | (903) 935-8402 |
| Harrison County Game Warden 10356 State Highway 43 S, Marshall 75670 | (903) 930-5179 |
| Harrison County Historical 200 W Houston St, Marshall 75670 | (903) 935-8417 |
| Marshall Street Lights 401 S Alamo Blvd, Marshall 75670 | (903) 935-4401 |