| Business | Phone |
| Alpha Associates Inc 535 W King St, Martinsburg 25401 | (304) 264-0051 |
| Dewberry Martinsburg 25401 | (304) 263-7500 |
| Berkeley Associates Inc 301 Warm Springs Ave, Martinsburg 25401 | (304) 263-9369 |
| Dsdj Inc 2008 Mid Atlantic Pkwy 2, Martinsburg 25401 | (304) 263-8140 |
| Greenman-Pedersen Martinsburg 25401 | (304) 263-5940 |