San Antonio, Texas Drug Testing Services


San Antonio, Texas Drug Screening & Workplace Testing Services

Why Choose WSI in San Antonio, Texas?

Our Services in San Antonio, Texas

Drug Testing

Random Management Programs

Physical Exams

Specialized Testing

Expert Training Programs

Background Check Services

FMCSA Clearinghouse Compliance Support

Interested? Contact Us

Our Locations in San Antonio, Texas

NameAddressCityStateZIP Code
WSI Testing Location115 Angeles Drive San Antonio Texas 78201
WSI Testing Location414 Navarro Street San Antonio Texas 78205
WSI Testing Location1007 N.E. LOOP 410 San Antonio Texas 78209
WSI Testing Location1211 Austin Highway San Antonio Texas 78209
WSI Testing Location3522 Broadway Street San Antonio Texas 78209
WSI Testing Location1200 Brooklyn Ave San Antonio Texas 78212
WSI Testing Location1303 McCullough Avenue San Antonio Texas 78212
WSI Testing Location1010 Northwest Loop 410 San Antonio Texas 78213
WSI Testing Location1111 S.E. MILITARY DRIVE San Antonio Texas 78214
WSI Testing Location1139 Southeast Military Drive San Antonio Texas 78214
WSI Testing Location720 PLEASANTON ST. San Antonio Texas 78214
WSI Testing Location400 E. QUINCY San Antonio Texas 78215
WSI Testing Location710 AUGUSTA ST San Antonio Texas 78215
WSI Testing Location11811 Blanco Road San Antonio Texas 78216
WSI Testing Location6841 San Pedro Avenue San Antonio Texas 78216
WSI Testing Location10200 Broadway Street San Antonio Texas 78217
WSI Testing Location13909 Nacogdoches Road San Antonio Texas 78217
WSI Testing Location4195 Naco Perrin Boulevard San Antonio Texas 78217
WSI Testing Location8522 Broadway St San Antonio Texas 78217
WSI Testing Location8601 Village Dr San Antonio Texas 78217
WSI Testing Location6021 Rittiman Plaza San Antonio Texas 78218
WSI Testing Location7460 IH 35N San Antonio Texas 78218
WSI Testing Location3453 Interstate 35 San Antonio Texas 78219
WSI Testing Location3453 North PanAm Expressway San Antonio Texas 78219
WSI Testing Location2000 South East Loop 410 San Antonio Texas 78220
WSI Testing Location2406 Commercial Avenue San Antonio Texas 78221
WSI Testing Location3859 E SOUTHCROSS BLVD San Antonio Texas 78222
WSI Testing Location3930 EAST SOUTHCROSS San Antonio Texas 78222
WSI Testing Location3103 SE Military Dr San Antonio Texas 78223
WSI Testing Location4130 South New Braunfels Avenue San Antonio Texas 78223
WSI Testing Location2350 Southwest Military Drive San Antonio Texas 78224
WSI Testing Location7390 Barlite Blvd San Antonio Texas 78224
WSI Testing Location8348-2 Marbach Road San Antonio Texas 78227
WSI Testing Location4436 Culebra Rd San Antonio Texas 78228
WSI Testing Location4436 Culebra Road San Antonio Texas 78228
WSI Testing Location4502 Medical Drive San Antonio Texas 78229
WSI Testing Location5282 Medical Dr San Antonio Texas 78229
WSI Testing Location8042 Wurzbach Rd San Antonio Texas 78229
WSI Testing Location12651 VANCE JACKSON RD San Antonio Texas 78230
WSI Testing Location3355 Cherry Ridge St San Antonio Texas 78230
WSI Testing Location9885 W Interstate 10 San Antonio Texas 78230
WSI Testing Location17700 San Pedro Avenue San Antonio Texas 78232
WSI Testing Location2235 THOUSAND OAKS DR San Antonio Texas 78232
WSI Testing Location323 North Loop 1604 West San Antonio Texas 78232
WSI Testing Location11900 Crownpoint Drive San Antonio Texas 78233
WSI Testing Location12702 Toepperwein Road San Antonio Texas 78233
WSI Testing Location5720 Bandera Road San Antonio Texas 78238
WSI Testing Location5755 Northwest Loop 410 San Antonio Texas 78238
WSI Testing Location6100 Bandera Road San Antonio Texas 78238
WSI Testing Location6420 Northwest Loop 410 San Antonio Texas 78238
WSI Testing Location6570 INGRAM ROAD San Antonio Texas 78238
WSI Testing Location8666 HUEBNER ROAD San Antonio Texas 78240
WSI Testing Location9618 Huebner Road San Antonio Texas 78240
WSI Testing Location5975 Farm to Market Road 78 San Antonio Texas 78244
WSI Testing Location7110 Farm to Market Road 78 San Antonio Texas 78244
WSI Testing Location7555 Northwest Loop 410 San Antonio Texas 78245
WSI Testing Location8519 STATE HWY 151 San Antonio Texas 78245
WSI Testing Location17122 Bulverde Road San Antonio Texas 78247
WSI Testing Location2951 Thousand Oaks San Antonio Texas 78247
WSI Testing Location16601 Huebner Road San Antonio Texas 78248
WSI Testing Location16755 Huebner Road San Antonio Texas 78248
WSI Testing Location12840 W IH 10 San Antonio Texas 78249
WSI Testing Location5238 De Zavala Road San Antonio Texas 78249
WSI Testing Location5718 University Heights Boulevard San Antonio Texas 78249
WSI Testing Location9207 N LOOP 1604 WEST San Antonio Texas 78249
WSI Testing Location9234 North Loop 1604 West San Antonio Texas 78249
WSI Testing Location10538 Potranco Rd San Antonio Texas 78251
WSI Testing Location9230 Potranco Road San Antonio Texas 78251
WSI Testing Location11282 Culebra Road San Antonio Texas 78253
WSI Testing Location11823 Culebra Road San Antonio Texas 78254
WSI Testing Location6530 West Loop 1604 North San Antonio Texas 78254
WSI Testing Location9910 West Loop 1604 North San Antonio Texas 78254
WSI Testing Location18603 La Cantera Terrace San Antonio Texas 78256
WSI Testing Location23611 IH 10 W San Antonio Texas 78257
WSI Testing Location18707 HARDY OAK BLVD San Antonio Texas 78258
WSI Testing Location19016 Stone Oak Pkwy San Antonio Texas 78258
WSI Testing Location20210 Stone Oak Parkway San Antonio Texas 78258
WSI Testing Location20780 U.S. 281 San Antonio Texas 78258
WSI Testing Location22906 U.S. Highway 281 North San Antonio Texas 78258
WSI Testing Location510 Med Court San Antonio Texas 78258
WSI Testing Location510 MED COURT San Antonio Texas 78258
WSI Testing Location17910 Bulverde Road San Antonio Texas 78259