| Business | Phone |
| Walter Cohen & Assoc Po Box 635, Alpharetta 30009 | (678) 762-0947 |
| Autodesk Constructware 3780 Mansell Rd, Alpharetta 30022 | (770) 645-1415 |
| Doulgerakis Consulting Engnrs 5 Old Milton Pkwy, Alpharetta 30004 | (770) 753-9810 |
| Rockwood Materials Handling 5975 Shiloh Rd 109, Alpharetta 30005 | (770) 849-0100 |
| Shaw Environmental/Infrstrctr 11560 Great Oaks Way, Alpharetta 30022 | (770) 475-8994 |
| Connor Engineering Solutions 2500 Northwinds Pkwy, Alpharetta 30004 | (770) 521-0580 |
| Marathon Consulting Group Inc 1002 Abbey Ct, Alpharetta 30004 | (678) 879-8700 |
| Safety Quick Light 2210 Justin Trl, Alpharetta 30004 | (770) 754-4711 |
| U S Power Svc 1360 Union Hill Rd, Alpharetta 30004 | (770) 772-9459 |