Testing Laboratories (26)
Inspection And Testing Services (24)
Medical Laboratories (18)
Medical Diagnostic Clinics (15)
HIV Aids Information Treatment & Testing (12)
Medical Groups & Clinics (12)
Drug & Alcohol Testing & Detection Services (11)
Health And Medical Testing (10)
Paternity Tests & Services (9)
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Texas City, TX
Bacliff, TX
League City, TX
Kemah, TX
Seabrook, TX
La Marque, TX
Santa Fe, TX
Hitchcock, TX
Webster, TX
Friendswood, TX