| Business | Phone |
| Front Range Clinical Lab 6850 Broadway, Denver 80221 | (303) 650-0154 |
| Schryber Medical Lab 6840 Broadway # A, Denver 80221 | (303) 650-5400 |
| Edward Dempsey 4200 E 9th Ave, Denver 80262 | (303) 315-8103 |
| Foxridge Medical Laboratory 960 E Harvard Ave, Denver 80210 | (303) 733-3802 |
| Guarantek Labs 5360 Franklin St, Denver 80216 | (303) 293-2157 |
| Harvard Park Medical Lab 950 E Harvard Ave, Denver 80210 | (303) 778-5715 |
| Upsher Smith Labs 301 S Cherokee St, Denver 80223 | (303) 607-4500 |
| Lab Support 600 S Cherry St, Denver 80246 | (303) 388-3869 |
| Label Lab Intl Denver 80202 | (303) 571-9389 |
| Mew Lab 833 Santa Fe Dr, Denver 80204 | (303) 825-1800 |