| AIT Laboratories | 1500 Interstate 35 W | | Denton | TX | 76207-2402 | 940-383-2223 | Mon - Fri 8:00-5:00 |
| Clinical Pathology Laboratories | 1250 8th Ave | Ste 335 | Fort Worth | TX | 76104-4139 | 817-927-0277 | Mon - Fri 8:00-5:00 |
| Clinical Pathology Laboratories | 1643 Lancaster Dr | Ste 223 | Grapevine | TX | 76051 | 817-914-8417 | Mon - Fri 7:30-4:30, Saturday 8:00-12:00 |
| Clinical Pathology Laboratories | 1751 Broad Park Cir S | Ste 205 | Mansfield | TX | 76063-7827 | 817-473-3506 | Mon - Fri 8:00-5:00 |
| Clinical Pathology Laboratories | 1813 Golden Trail Ct | Ste 120 | Carrollton | TX | 75010-4649 | 972-395-3077 | Mon - Fri 8:00-5:00 |
| Clinical Pathology Laboratories | 3100 N Tarrant Pkwy | Ste 104 | Fort Worth | TX | 76177-8616 | 817-528-6970 | Mon - Fri 8:00-5:00 |
| Clinical Pathology Laboratories | 3150 Matlock Road | Ste 411 | Arlington | TX | 76015-2924 | 817-784-9420 | Mon - Fri 8:00-5:00, Saturday 8:00-12:00 |
| Clinical Pathology Laboratories | 319 N Bonnie Brae St | | Denton | TX | 76201-3727 | 940-483-1281 | Mon - Fri 7:30-5:00, Saturday 8:00-12:00 |
| Clinical Pathology Laboratories | 3201 Colorado Blvd | Ste 102 | Denton | TX | 76210-6863 | 970-566-0010 | Mon - Fri 7:30-4:30 |
| Clinical Pathology Laboratories | 328 W Main | Ste 203 | Lewisville | TX | 75057-3866 | 972-221-4527 | Mon - Fri 8:00-5:00 |
| Clinical Pathology Laboratories | 3537 S I-35 East | Ste 212 | Denton | TX | 76210-6869 | 970-566-0010 | Mon - Fri 8:00-5:00 |
| Clinical Pathology Laboratories | 609 Hemphill St | Ste 102 | Fort Worth | TX | 76104-3149 | 817-878-2714 | Mon - Fri 8:00-5:00 |
| Genomind Inc | 2200 Renassance Blvd Ste 100 | | King of Prussia | PA | 19406-2755 | 877-895-8658 | Mon - Fri 8:00-5:00 |
| Landmark Diagnostics LLC | 9350 Kirby Dr | Ste 150 | Houston | TX | 77054-2567 | 888-549-8670 | Mon - Fri 8:00-6:00 |
| Lifewatch Services Inc. | 10255 W Higgins Rd Ste 100 | | Rosemont | IL | 60018-5606 | 877-774-9846 | Mon - Sun 12:00-12:00 |
| Med Fusion LLC | 2501 S. State Hwy 121 | Ste 1200 | Lewisville | TX | 75067-8188 | 972-966-7700 | Mon - Fri 8:00-5:00 |
| Medical Diagnostic Laboratories, LLC | 2439 Kuser Rd | | Hamilton | NJ | 08690-3303 | 877-269-0090 | Mon - Fri 8:00-8:00, Saturday 9:00-5:00 |
| Millennium Health | 16981 Via Tazon | Ste F | San Diego | CA | 92127-1645 | 877-451-3534 | Mon - Fri 8:00-5:00 |
| Precision Diagnostics | 1108 W Washington St | Ste B | Marquette | MI | 49855-4076 | 800-635-6901 | Mon - Fri 7:00-7:00, Saturday 8:00-5:00 |
| Precision Diagnostics | 4215 Sorrento Valley Blvd | | San Diego | CA | 92121-1408 | 800-635-6901 | Mon - Fri 7:00-7:00, Saturday 8:00-5:00 |
| Quest Diagnostics | 1001 12th Ave | Ste 170 | Fort Worth | TX | 76104-3926 | 817-336-4069 | Mon - Fri 8:00-5:00 |
| Quest Diagnostics | 1105 Santa Fe Dr | Ste 105 | Weatherford | TX | 76086-5852 | 817-594-7319 | Mon - Fri 8:00-5:00 |
| Quest Diagnostics | 124 N Industrial Ave | | Azle | TX | 76020-2934 | 817-444-5001 | Mon - Fri 8:00-5:00 |
| Quest Diagnostics | 1615 Hospital Pkwy | Ste 208 | Bedford | TX | 76022-5936 | 817-684-5243 | Mon - Fri 8:00-5:00 |
| Quest Diagnostics | 2000 FM 51 South | | Decatur | TX | 76234-3702 | 940-627-5921 | Mon - Fri 8:00-5:00 |