| Business | Phone |
| Analytics Corp 519 Keisler Dr, Cary 27511 | (919) 851-3505 |
| Chemical & Environmental Tech 102 Woodwinds Industrial Ct #A, Cary 27511 | (919) 467-3090 |
| Enco Laboratories 1015 Passport Way, Cary 27513 | (919) 677-1669 |
| Research Triangle Technologies 3300 Green Level Rd W, Cary 27519 | (919) 362-0669 |