Testing Locations » Texas » Brownsville TX » Texas Alcohol And Drug Testing Service – Texas Alcohol And Drug Testing Service – Drug Testing Only (Preferred) Texas Alcohol And Drug Testing Service – Texas Alcohol And Drug Testing Service – Drug Testing Only (Preferred) Texas Alcohol And Drug Testing Service – Texas Alcohol And Drug Testing Service – Drug Testing Only (Preferred)2031 Price RoadSuite CBrownsville, TX 78521-3577 United States