| Business | Phone |
| A One Engineering & Inspctn 405 N Pine Dr, Alpharetta 30022 | (770) 664-1176 |
| Burns & Mc Donnell 1000 Mansell Exchange W 300, Alpharetta 30022 | (770) 587-4776 |
| Diversakore Llc 9450 Stoney Ridge Ln, Alpharetta 30022 | (770) 998-0782 |
| Site-Blauvelt Engineers Inc 3015 Windward Plz, Alpharetta 30005 | (770) 360-7068 |
| Sheppard Engineering Llc 5515 Bannergate Dr, Alpharetta 30022 | (770) 409-8520 |
| Global Development Syst Corp 3070 Windward Plz # F290, Alpharetta 30005 | (770) 751-0008 |
| Green Buildings Engrg Llc 5955 Shiloh Rd E, Alpharetta 30005 | (770) 886-8669 |
| Micro Fusion Engineering Lab Alpharetta 30004 | (770) 475-7862 |
| Juggernautics 400 Curie Dr # A, Alpharetta 30005 | (678) 393-0002 |