| Business | Phone |
| A A Electric Inc 1665 Lakes Pkwy 108, Lawrenceville 30043 | (770) 822-4960 |
| Danfoss Automated Controls 1775 Macleod Dr, Lawrenceville 30043 | (678) 377-7540 |
| Fancher & Assoc 825 Hi Hope Rd, Lawrenceville 30043 | (770) 963-4328 |
| Noshok Inc 1540 Great Oaks Dr, Lawrenceville 30045 | (770) 978-7802 |