| Business | Phone |
| Bioci Systems Inc 1220 Corporation Pkwy # U, Raleigh 27610 | (919) 235-0596 |
| Bloodrights 4900 Waters Edge Dr # 170, Raleigh 27606 | (919) 859-4677 |
| Burleson Research Technologies 5706 Chapel Hill Rd, Raleigh 27607 | (919) 851-4499 |
| Central Testing & Inspection 1400 Guffy Dr, Raleigh 27603 | (919) 772-6912 |
| Tritest Inc 6701 Conference Dr, Raleigh 27607 | (919) 834-4984 |
| Environmental Science Corp 4915 Waters Edge Dr, Raleigh 27606 | (919) 854-2580 |
| Research Triangle Park Labs 8109 Ebenezer Church Rd, Raleigh 27612 | (919) 510-0228 |
| Geotechnics 2200 Westinghouse Blvd # 105, Raleigh 27604 | (919) 876-0405 |
| Prism Laboratories Inc 2926 Hostetler St, Raleigh 27609 | (919) 782-0270 |
| Prometric Testing Center 6010a Six Forks Rd, Raleigh 27609 | (919) 846-1933 |
| Performance Solutions 8100 Brownleigh Dr, Raleigh 27617 | (919) 781-9777 |
| Microthermics 7908 Gresham Trace Ln, Raleigh 27615 | (919) 876-7333 |