| Business | Phone |
| County Garage 420 Buckhannon Pike, Clarksburg 26301 | (304) 624-4913 |
| Harrison Family Court Judge 301 W Main St, Clarksburg 26301 | (304) 627-2148 |
| Harrison Bureau Of Emergency 420 Buckhannon Pike, Clarksburg 26301 | (304) 623-6559 |
| Harrison County Appraisal Div 301 W Main St, Clarksburg 26301 | (304) 624-8522 |
| Harrison County Civil Actions 301 W Main St 301, Clarksburg 26301 | (304) 624-8640 |
| Harrison County Civil Process 306 Washington Ave 108, Clarksburg 26301 | (304) 624-8546 |
| Harrison County Commissioner 301 W Main St 116, Clarksburg 26301 | (304) 624-8500 |
| Harrison County Divorces 301 W Main St 301, Clarksburg 26301 | (304) 624-8634 |
| Harrison County Engineer 301 W Main St B14, Clarksburg 26301 | (304) 624-8508 |
| Harrison County Housing 301 W Main St 504, Clarksburg 26301 | (304) 624-8680 |
| Harrison County Jury Svc 301 W Main St 301, Clarksburg 26301 | (304) 624-8638 |
| Harrison County Sheriff 420 Buckhannon Pike, Clarksburg 26301 | (304) 623-6655 |
| Harrison County Licenses 301 W Main St, Clarksburg 26301 | (304) 624-8688 |
| Harrison County Mapping Div 301 W Main St, Clarksburg 26301 | (304) 624-8703 |
| Harrison County Passports 301 W Main St 301, Clarksburg 26301 | (304) 624-8637 |
| Harrison County Planning Comm 301 W Main St, Clarksburg 26301 | (304) 624-8690 |
| Public Defender Corp 215 S 3rd St 600, Clarksburg 26301 | (304) 627-2134 |
| Harrison County Circuit Clerk 301 W Main St 301, Clarksburg 26301 | (304) 624-8642 |
| Harrison County Taxes 301 W Main St, Clarksburg 26301 | (304) 624-8685 |
| Harrison Extension Svc 301 W Main St 507, Clarksburg 26301 | (304) 624-8650 |
| Honorable Brenda J Anselene 306 Washington Ave 302, Clarksburg 26301 | (304) 624-8561 |
| Harrison County Magistrates 306 Washington Ave, Clarksburg 26301 | (304) 624-8560 |
| Honorable James Matish 301 W Main St, Clarksburg 26301 | (304) 624-8593 |
| Honorable Mark A Gorby 306 Washington Ave, Clarksburg 26301 | (304) 624-8564 |
| Honorable Tammy Marple 306 Washington Ave 303, Clarksburg 26301 | (304) 624-8562 |
| Honorable Warren Davis 306 Washington Ave, Clarksburg 26301 | (304) 624-8544 |