| Business | Phone |
| Barrett Simpson Civil Engrng 1685 E University Dr # D, Auburn 36830 | (334) 887-2315 |
| Maxwell Engineering & Land 1719 Catherine Ct, Auburn 36830 | (334) 826-9540 |
| Foresite Group Inc 233 E Magnolia Ave, Auburn 36830 | (334) 887-6064 |
| Hydro-Engineering Solutions 595 Dekalb St, Auburn 36830 | (334) 466-0794 |