| Business | Phone |
| Abbott Laboratories 2000 Regency Pkwy, Cary 27511 | (919) 462-1563 |
| Analytical Professionals 13000 Weston Pkwy # 108, Cary 27513 | (919) 677-9898 |
| Horizon Laboratory 550 New Waverly Pl, Cary 27511 | (919) 859-2515 |
| Laboratory Corp Of America 305 Ashville Ave, Cary 27511 | (919) 852-0588 |