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Fastest Labs SE San Antonio, TX

Walk-ins' & Same Day Appointments Welcome!

Fastest Labs SE San Antonio, TX provides fast and clean drug testing, alcohol testing, DNA screening, background checks, federal DOT testing, employee drug policy creations and much more. We service individuals, businesses, government entities, courts, school districts, military and social service agencies. Our prices can meet or beat any competition! We will serve you within 5 minutes and have results for you within 15 in most cases!

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