| Business | Phone |
| Total Technical Inc 1847 Hollywood Dr, Jackson 38305 | (731) 668-0445 |
| Hall Engineering 1 A St # 100, Jackson 38301 | (731) 424-5300 |
| J R Wauford & Co Consulting 50 Volunteer Blvd, Jackson 38305 | (731) 668-1953 |
| Multiple Discipline Technology 407 Windemere Dr, Jackson 38305 | (731) 422-3820 |