Welcome to Workplace Screening Intelligence (WSI), your trusted partner for reliable drug screening, physical exams, and workplace testing services in Houston, Texas. Whether you’re an employer seeking to maintain a safe and productive work environment or an individual needing a quick and confidential test, our facilities in Houston, Texas are here to help.
Simplify your FMCSA Clearinghouse compliance with our end-to-end support for reporting, query management, and ensuring your business meets all federal requirements.
Name | Address | City | State | ZIP Code |
---|---|---|---|---|
WSI Testing Location | 2101 Crawford Street | Houston | Texas | 77002 |
WSI Testing Location | 407 FANNIN | Houston | Texas | 77002 |
WSI Testing Location | 2004 Leeland Street | Houston | Texas | 77003 |
WSI Testing Location | 2117 Chenevert Street | Houston | Texas | 77003 |
WSI Testing Location | 1200 Binz Street | Houston | Texas | 77004 |
WSI Testing Location | 3300 Crawford Street | Houston | Texas | 77004 |
WSI Testing Location | 5568 Weslayan Street | Houston | Texas | 77005 |
WSI Testing Location | 2505 Dunlavy Street | Houston | Texas | 77006 |
WSI Testing Location | 107 Yale Street | Houston | Texas | 77007 |
WSI Testing Location | 5151 Katy Freeway | Houston | Texas | 77007 |
WSI Testing Location | 102 West 11th Street | Houston | Texas | 77008 |
WSI Testing Location | 1635 North Loop West Freeway | Houston | Texas | 77008 |
WSI Testing Location | 1919 North Loop West | Houston | Texas | 77008 |
WSI Testing Location | 1919 North Loop West Freeway | Houston | Texas | 77008 |
WSI Testing Location | 2136 Yale Street | Houston | Texas | 77008 |
WSI Testing Location | 2902 N Shepherd Dr | Houston | Texas | 77008 |
WSI Testing Location | 300 N LOOP WEST | Houston | Texas | 77008 |
WSI Testing Location | 427 West 20th Street | Houston | Texas | 77008 |
WSI Testing Location | 635 W. 19TH STREET | Houston | Texas | 77008 |
WSI Testing Location | 9200 Hempstead Rd | Houston | Texas | 77008 |
WSI Testing Location | 900 BROADWAY ST | Houston | Texas | 77012 |
WSI Testing Location | 14503 Bammel North Houston Road | Houston | Texas | 77014 |
WSI Testing Location | 3845 Cypress Creek Parkway | Houston | Texas | 77014 |
WSI Testing Location | 1140 WESTMONT DR STE 510 | Houston | Texas | 77015 |
WSI Testing Location | 1140 WESTMONT STE. 505 | Houston | Texas | 77015 |
WSI Testing Location | 13125 EAST FREEWAY | Houston | Texas | 77015 |
WSI Testing Location | 13259 E. FREEWAY | Houston | Texas | 77015 |
WSI Testing Location | 13259 EAST FREEWAY | Houston | Texas | 77015 |
WSI Testing Location | 13469 I-10 East | Houston | Texas | 77015 |
WSI Testing Location | 13526 East Freeway | Houston | Texas | 77015 |
WSI Testing Location | 13550 East Freeway | Houston | Texas | 77015 |
WSI Testing Location | 13601 WOODFOREST BLVD | Houston | Texas | 77015 |
WSI Testing Location | 388 Uvalde Road | Houston | Texas | 77015 |
WSI Testing Location | 10311 Homestead Road | Houston | Texas | 77016 |
WSI Testing Location | 3520 Broadway Street | Houston | Texas | 77017 |
WSI Testing Location | 8505 GULF FREEWAY | Houston | Texas | 77017 |
WSI Testing Location | 1005 Waugh Drive | Houston | Texas | 77019 |
WSI Testing Location | 7117 Lyons Avenue | Houston | Texas | 77020 |
WSI Testing Location | 910 South Wayside Drive | Houston | Texas | 77023 |
WSI Testing Location | 12385 Kingsride Lane | Houston | Texas | 77024 |
WSI Testing Location | 855 Frostwood Drive | Houston | Texas | 77024 |
WSI Testing Location | 921 Gessner Road | Houston | Texas | 77024 |
WSI Testing Location | 9563 South Main Street | Houston | Texas | 77025 |
WSI Testing Location | 10909 East Freeway | Houston | Texas | 77029 |
WSI Testing Location | 11040 East Freeway | Houston | Texas | 77029 |
WSI Testing Location | 1717 Turning Basin Drive | Houston | Texas | 77029 |
WSI Testing Location | 8799 N. LOOP EAST | Houston | Texas | 77029 |
WSI Testing Location | 2282 W HOLCOMBE BLVD | Houston | Texas | 77030 |
WSI Testing Location | 6411 FANNIN | Houston | Texas | 77030 |
WSI Testing Location | 6411 Fannin Street | Houston | Texas | 77030 |
WSI Testing Location | 7000 Fannin Street | Houston | Texas | 77030 |
WSI Testing Location | 7007 BERTNER AVENUE (1MC2.2190) | Houston | Texas | 77030 |
WSI Testing Location | 12885 GULF FREEWAY | Houston | Texas | 77034 |
WSI Testing Location | 7211 Regency Square Boulevard | Houston | Texas | 77036 |
WSI Testing Location | 7447 Harwin Drive | Houston | Texas | 77036 |
WSI Testing Location | 9898 Bissonnet St | Houston | Texas | 77036 |
WSI Testing Location | 11120 North Freeway | Houston | Texas | 77037 |
WSI Testing Location | 14825 Northwest Freeway | Houston | Texas | 77040 |
WSI Testing Location | 17376 Northwest Freeway | Houston | Texas | 77040 |
WSI Testing Location | 17410 NW. FREEWAY | Houston | Texas | 77040 |
WSI Testing Location | 7207 Gessner Road | Houston | Texas | 77040 |
WSI Testing Location | 11050 West Little York Road | Houston | Texas | 77041 |
WSI Testing Location | 6360 West Sam Houston Parkway North | Houston | Texas | 77041 |
WSI Testing Location | 12401 South Post Oak Road | Houston | Texas | 77045 |
WSI Testing Location | 1414 S Loop W | Houston | Texas | 77054 |
WSI Testing Location | 2626 South Loop West | Houston | Texas | 77054 |
WSI Testing Location | 2636 South Loop West | Houston | Texas | 77054 |
WSI Testing Location | 2646 S Loop W Fwy | Houston | Texas | 77054 |
WSI Testing Location | 1000 North Post Oak Road | Houston | Texas | 77055 |
WSI Testing Location | 9742 Katy Freeway | Houston | Texas | 77055 |
WSI Testing Location | 2960 Sage Road | Houston | Texas | 77056 |
WSI Testing Location | 1111 AUGUSTA DRIVE | Houston | Texas | 77057 |
WSI Testing Location | 2641 Winrock Boulevard | Houston | Texas | 77057 |
WSI Testing Location | 5901 Westheimer Road | Houston | Texas | 77057 |
WSI Testing Location | 1202 East Nasa Parkway | Houston | Texas | 77058 |
WSI Testing Location | 16630 Imperial Valley Dr | Houston | Texas | 77060 |
WSI Testing Location | 367 GREENS ROAD | Houston | Texas | 77060 |
WSI Testing Location | 401 Greens Road | Houston | Texas | 77060 |
WSI Testing Location | 505 North Sam Houston Parkway East | Houston | Texas | 77060 |
WSI Testing Location | 515 North Sam Houston Parkway East | Houston | Texas | 77060 |
WSI Testing Location | 654 N SAM HOUSTON PKWY E STE 1 | Houston | Texas | 77060 |
WSI Testing Location | 2323 CLEAR LAKE CITY BLVD | Houston | Texas | 77062 |
WSI Testing Location | 9668 Westheimer Road | Houston | Texas | 77063 |
WSI Testing Location | 9900 WESTPARK DR | Houston | Texas | 77063 |
WSI Testing Location | 17557 Tomball Parkway | Houston | Texas | 77064 |
WSI Testing Location | 9138 West Road | Houston | Texas | 77064 |
WSI Testing Location | 10680 Jones Rd | Houston | Texas | 77065 |
WSI Testing Location | 11301 Fallbrook Dr | Houston | Texas | 77065 |
WSI Testing Location | 11811 FM 1960 RD W STE 130 | Houston | Texas | 77065 |
WSI Testing Location | 13141 FM 1960 RD W | Houston | Texas | 77065 |
WSI Testing Location | 12830 Willow Centre Drive | Houston | Texas | 77066 |
WSI Testing Location | 10850 Louetta Road | Houston | Texas | 77070 |
WSI Testing Location | 10906 Farm to Market 1960 | Houston | Texas | 77070 |
WSI Testing Location | 13215 Dotson Rd | Houston | Texas | 77070 |
WSI Testing Location | 1920 Rankin Road | Houston | Texas | 77073 |
WSI Testing Location | 2010 Farm to Market 1960 | Houston | Texas | 77073 |
WSI Testing Location | 6440 Hillcroft Street | Houston | Texas | 77074 |
WSI Testing Location | 6535 SOUTH WEST FREEWAY | Houston | Texas | 77074 |
WSI Testing Location | 6535 SW. FREEWAY | Houston | Texas | 77074 |
WSI Testing Location | 6545 Southwest Freeway | Houston | Texas | 77074 |
WSI Testing Location | 8200 Wednesbury Lane | Houston | Texas | 77074 |
WSI Testing Location | 8313 Southwest Fwy | Houston | Texas | 77074 |
WSI Testing Location | 8498 South Sam Houston Parkway East | Houston | Texas | 77075 |
WSI Testing Location | 11807 Westheimer Road | Houston | Texas | 77077 |
WSI Testing Location | 13410 Briar Forest Drive | Houston | Texas | 77077 |
WSI Testing Location | 1500 South Dairy Ashford Road | Houston | Texas | 77077 |
WSI Testing Location | 11511 Katy Freeway | Houston | Texas | 77079 |
WSI Testing Location | 11621 Katy Freeway | Houston | Texas | 77079 |
WSI Testing Location | 12345 KATY FREEWAY | Houston | Texas | 77079 |
WSI Testing Location | 14045 Memorial Drive | Houston | Texas | 77079 |
WSI Testing Location | 14770 Memorial Drive | Houston | Texas | 77079 |
WSI Testing Location | 5420 Dashwood Dr | Houston | Texas | 77081 |
WSI Testing Location | 12121 Richmond Ave | Houston | Texas | 77082 |
WSI Testing Location | 2703 HIGHWAY 6 SOUTH | Houston | Texas | 77082 |
WSI Testing Location | 3226 South Briar Knoll Drive | Houston | Texas | 77082 |
WSI Testing Location | 16526 Park Row Drive | Houston | Texas | 77084 |
WSI Testing Location | 1718 Fry Road | Houston | Texas | 77084 |
WSI Testing Location | 19002 Park Row | Houston | Texas | 77084 |
WSI Testing Location | 4526 Highway 6 North | Houston | Texas | 77084 |
WSI Testing Location | 6969 GULF FREEWAY, SUITE 370 | Houston | Texas | 77087 |
WSI Testing Location | 10930 Resource Parkway | Houston | Texas | 77089 |
WSI Testing Location | 11717 HIGHLAND MEADOW DR | Houston | Texas | 77089 |
WSI Testing Location | 11800 Astoria Boulevard | Houston | Texas | 77089 |
WSI Testing Location | 1000 Cypress Creek Parkway | Houston | Texas | 77090 |
WSI Testing Location | 1000 Farm to Market 1960 Road West | Houston | Texas | 77090 |
WSI Testing Location | 110 Cypress Station Drive | Houston | Texas | 77090 |
WSI Testing Location | 14755 I-45 N | Houston | Texas | 77090 |
WSI Testing Location | 15621 Blue Ash Drive | Houston | Texas | 77090 |
WSI Testing Location | 17030 NANES DR | Houston | Texas | 77090 |
WSI Testing Location | 17070 Red Oak Dr | Houston | Texas | 77090 |
WSI Testing Location | 411 Lantern Bend Drive | Houston | Texas | 77090 |
WSI Testing Location | 710 Farm to Market 1960 Road West | Houston | Texas | 77090 |
WSI Testing Location | 10961 NW. FREEWAY | Houston | Texas | 77092 |
WSI Testing Location | 19450 Katy Freeway | Houston | Texas | 77094 |
WSI Testing Location | 8100 HIGHWAY 6 N | Houston | Texas | 77095 |
WSI Testing Location | 4936 Beechnut Street | Houston | Texas | 77096 |
WSI Testing Location | 5895 South Braeswood Boulevard | Houston | Texas | 77096 |
WSI Testing Location | 9940 W. SAM HOUSTON PKWY. S. STE 320 | Houston | Texas | 77099 |
WSI Testing Location | 9940 West Sam Houston Parkway South | Houston | Texas | 77099 |
WSI Testing Location | 1450 Kingwood Drive | Houston | Texas | 77339 |