| Business | Phone |
| Laboratory Corp Of America 3536 Mendocino Ave, Santa Rosa 95403 | (707) 542-8032 |
| Laboratory Corp Of America 4731 Hoen Ave, Santa Rosa 95405 | (707) 545-5038 |
| Lee Histology Lab 1212 Farmers Ln # 4, Santa Rosa 95405 | (707) 528-0166 |
| Quest Diagnostics Inc 990 Sonoma Ave # 4, Santa Rosa 95404 | (707) 575-7415 |
| Unilab Corp 6575 Oakmont Dr, Santa Rosa 95409 | (707) 539-7911 |
| Vascular Laboratory 1111 Sonoma Ave # 322, Santa Rosa 95405 | (707) 576-1522 |