Medical Laboratories (55)
Testing Laboratories (50)
HIV Aids Information Treatment & Testing (48)
Medical Groups & Clinics (44)
Paternity Tests & Services (36)
Medical Diagnostic Clinics (30)
Health And Medical Testing (30)
Inspection And Testing Services (15)
Laboratories (12)
Scientific & Laboratory Equipment (11)
Lewisville, TX
Southlake, TX
Grapevine, TX
Roanoke, TX
Argyle, TX
Coppell, TX
Lake Dallas, TX
Colleyville, TX
Keller, TX
Carrollton, TX