| Business | Phone |
| Alpha Geotechnical & Testing 4770 Woodlane Cir, Tallahassee 32303 | (850) 514-4171 |
| Ardaman & Assoc Inc 3175 W Tharpe St, Tallahassee 32303 | (850) 576-6131 |
| Egs Environmental & Geotech 3154 Eliza Rd, Tallahassee 32308 | (850) 386-1253 |
| Tallahassee Soil Tech Inc 3045 W Tharpe St, Tallahassee 32303 | (850) 576-1281 |
| Southern Earth Sciences Inc 870 Blountstown Hwy # 3, Tallahassee 32304 | (850) 576-4652 |
| Soils, Sediment & Subsurface, Inc. - Geotechnical Engineering 9013 Mahan Drive, Suite 101, Tallahassee 32309 | (850) 222-7645 |
| Southeast GeoGroup 2910 Kerry Forest Pkwy, D4-193, Tallahassee 32309 | (850) 745-4575 |