| Business | Phone |
| Automated Machine Technologies 1725 Carpenter Fletcher Rd, Durham 27713 | (919) 361-0140 |
| Banner Industries 1601 E Geer St, Durham 27704 | (919) 956-8545 |
| Tri Virix Intl 2800 Meridian Pkwy # 175, Durham 27713 | (919) 968-6858 |
| Spider Manufacturing 3108 Glen Hollow Dr, Durham 27704 | (919) 688-7008 |