| Business | Phone |
| W F Marcuson Iii & Assoc Inc 95 Plantation Dr, Vicksburg 39183 | (601) 638-1704 |
| Abmb Engineers Inc 901 Jackson St # A, Vicksburg 39183 | (601) 638-2642 |
| Applied Research Assoc Inc 112 Monument Pl, Vicksburg 39180 | (601) 629-6165 |
| Evans-Hamilton Inc 403 Warren St, Vicksburg 39180 | (601) 883-7005 |
| Evans-Hamilton Inc 916 Belmont St, Vicksburg 39180 | (601) 638-0646 |
| Geotechnical Associates Ntwrk 110 Beechtree Rd, Vicksburg 39183 | (601) 638-8726 |