At Workplace Screening Intelligence (WSI), we are dedicated to simplifying the drug testing process for employers across Missouri. Our comprehensive services cater to both DOT and non-DOT regulated industries, ensuring your workplace remains safe and compliant with state and federal regulations.
| Name | Address | City | State | ZIP Code |
|---|---|---|---|---|
| WSI Testing Location | 17300 N Outer 40 | |||
| WSI Testing Location | 17421 Chesterfield Airport Road | |||
| WSI Testing Location | 700 Spirit of Saint Louis Boulevard | |||
| WSI Testing Location | 12 ARNOLD MALL | |||
| WSI Testing Location | 3613 RICHARDSON SQUARE STE 300 | |||
| WSI Testing Location | 3619 RICHARDSON SQUARE DR | |||
| WSI Testing Location | 3895 JEFFCO BLVD | |||
| WSI Testing Location | 15421 CLAYTON RD STE 301 | |||
| WSI Testing Location | 233 CLARKSON RD | |||
| WSI Testing Location | 16091 Swingley Ridge Rd | |||
| WSI Testing Location | 224 S Woods Mill Rd | |||
| WSI Testing Location | 224 South Woods Mill Road | |||
| WSI Testing Location | 98 The Legends Pkwy | |||
| WSI Testing Location | 128 Matrix Commons Drive | |||
| WSI Testing Location | 1391 SMIZER MILL RD | |||
| WSI Testing Location | 714 Gravois Road | |||
| WSI Testing Location | 774 Gravois Bluffs Boulevard | |||
| WSI Testing Location | 928 Brookwood Center | |||
| WSI Testing Location | 1170 East Gannon Drive | |||
| WSI Testing Location | 1390 U.S. 61 | |||
| WSI Testing Location | 1400 U.S. 61 | |||
| WSI Testing Location | 1439 U.S. 61 | |||
| WSI Testing Location | 1463 U.S. 61 | |||
| WSI Testing Location | 408 Brothers Avenue | |||
| WSI Testing Location | 224 North Highway 67 | |||
| WSI Testing Location | 8186 North Lindbergh Boulevard | |||
| WSI Testing Location | 463 LYNN HAVEN LANE | |||
| WSI Testing Location | 637 Dunn Rd | |||
| WSI Testing Location | 12685 Dorsett Road | |||
| WSI Testing Location | 83 PROGRESS PKWY | |||
| WSI Testing Location | PO BOX 2567 | |||
| WSI Testing Location | 12800 Boenker Lane | |||
| WSI Testing Location | 3430 McKelvey Road | |||
| WSI Testing Location | 3440 De Paul Ln | |||
| WSI Testing Location | 1150 Mason Circle | |||
| WSI Testing Location | 10814 Saint Charles Rock Road | |||
| WSI Testing Location | 1496 AF HIGHWAY EAST | |||
| WSI Testing Location | 206 South Church Street | |||
| WSI Testing Location | 1701 Heritage Hills Drive | |||
| WSI Testing Location | 2003 PHOENIX CENTER DR | |||
| WSI Testing Location | 819 W. 5TH STREET | |||
| WSI Testing Location | 901 Patients First Drive | |||
| WSI Testing Location | 3100 Market Street | |||
| WSI Testing Location | 31846 COUNTRY CLUB DR | |||
| WSI Testing Location | 40 N KINGSHIGHWAY | |||
| WSI Testing Location | 6555 Chippewa Street | |||
| WSI Testing Location | 6900 Chippewa Street | |||
| WSI Testing Location | 5000 MANCHESTER AVE | |||
| WSI Testing Location | 8730 Big Bend Boulevard | |||
| WSI Testing Location | 8857 Ladue Road | |||
| WSI Testing Location | 28 RONNIES PLZ | |||
| WSI Testing Location | 9701 LANDMARK PARKWAY DR | |||
| WSI Testing Location | 3802 South Lindbergh Boulevard | |||
| WSI Testing Location | 13303 Tesson Ferry Rd | |||
| WSI Testing Location | 9950 Kennerly Rd | |||
| WSI Testing Location | 12616 Lamplighter Square Shopping Center | |||
| WSI Testing Location | 11648 MANCHESTER ROAD | |||
| WSI Testing Location | 12304 Manchester Road | |||
| WSI Testing Location | 9378 Olive Boulevard | |||
| WSI Testing Location | 6907 Page Avenue | |||
| WSI Testing Location | 1276 Saint Cyr Road | |||
| WSI Testing Location | 6542 Manchester Avenue | |||
| WSI Testing Location | 10923 Olive Boulevard | |||
| WSI Testing Location | 11255 Olive Boulevard | |||
| WSI Testing Location | 747 North New Ballas Road | |||
| WSI Testing Location | 11700 STUDT AVE | |||
| WSI Testing Location | 11501 PAGE SERVICE DR | |||
| WSI Testing Location | 8340 N BROADWAY | |||
| WSI Testing Location | PO BOX 503861 | |||
| WSI Testing Location | P O BOX 60548 | |||
| WSI Testing Location | 1794 Zumbehl Road | |||
| WSI Testing Location | 3871 Mexico Road | |||
| WSI Testing Location | 56 PORTWEST COURT | |||
| WSI Testing Location | 1015 West Adams Street | |||
| WSI Testing Location | 710 NUSINESS 61 SOUTH | |||
| WSI Testing Location | 905 BUSINESS 161 S | |||
| WSI Testing Location | 2305 Georgia Street | |||
| WSI Testing Location | 111 East 1st Street | |||
| WSI Testing Location | 5551 Winghaven Blvd | |||
| WSI Testing Location | 2630 HWY. K | |||
| WSI Testing Location | 1405 Jungermann Road | |||
| WSI Testing Location | 107 Piper Hill Dr | |||
| WSI Testing Location | 1901 TRADE CENTER DR | |||
| WSI Testing Location | 205 1st Executive Ave | |||
| WSI Testing Location | 300 St Peters Centre Blvd | |||
| WSI Testing Location | 4101 Mexico Rd | |||
| WSI Testing Location | 1000 East Cherry Street | |||
| WSI Testing Location | 425 North Galloway Road | |||
| WSI Testing Location | 230 East Main Street | |||
| WSI Testing Location | 1111 West Pearce Boulevard | |||
| WSI Testing Location | 1890 Wentzville Parkway | |||
| WSI Testing Location | 100 MEDICAL DR | |||
| WSI Testing Location | 6000 HOSPITAL DRIVE | |||
| WSI Testing Location | 6500 Hospital Drive | |||
| WSI Testing Location | 400 North Main Street | |||
| WSI Testing Location | 400 S CENTER ST | |||
| WSI Testing Location | 1108 East Patterson Street | |||
| WSI Testing Location | 2201 S HALLIBURTON ST | |||
| WSI Testing Location | 213 North Green Street | |||
| WSI Testing Location | 1205 N. MISSOURI | |||
| WSI Testing Location | 1206 North Missouri Street | |||
| WSI Testing Location | 630 West 3rd Street | |||
| WSI Testing Location | 1122 East Main Street | |||
| WSI Testing Location | 539 West Karsch Boulevard | |||
| WSI Testing Location | 555 West Pine Street | |||
| WSI Testing Location | 612 East High Street | |||
| WSI Testing Location | 912 N. MISSOURI STREET | |||
| WSI Testing Location | 800 St. GENEVIEVE DRIVE | |||
| WSI Testing Location | 1417 N Mt Auburn Rd | |||
| WSI Testing Location | 1417 North Mount Auburn Road | |||
| WSI Testing Location | 1702 NORTH KINGSHIGHWAY | |||
| WSI Testing Location | 150 S. MOUNT AUBORNE ROAD | |||
| WSI Testing Location | 211 SAINT FRANCIS DR | |||
| WSI Testing Location | 211 ST. FRANCIS DRIVE | |||
| WSI Testing Location | 2126 INDEPENDENCE STREET | |||
| WSI Testing Location | 2917 Independence St | |||
| WSI Testing Location | 37 Doctors Park | |||
| WSI Testing Location | 62 DOCTORS PARK | |||
| WSI Testing Location | 836 S. KINGS HIGHWAY | |||
| WSI Testing Location | 1508 Edgemont Boulevard | |||
| WSI Testing Location | 434 NORTH WEST STREET | |||
| WSI Testing Location | 1012 N MAIN ST | |||
| WSI Testing Location | 135 Plaza Drive | |||
| WSI Testing Location | 1025 Arvin Road | |||
| WSI Testing Location | 115 East Business U.S. 60 | |||
| WSI Testing Location | 1200 North 1 Mile Road | |||
| WSI Testing Location | 320 N LINCOLN ST | |||
| WSI Testing Location | 201 Floyd Street | |||
| WSI Testing Location | 201 W MAIN ST | |||
| WSI Testing Location | 216 W. MAIN STREET | |||
| WSI Testing Location | 1611 LURLYN ROAD | |||
| WSI Testing Location | 1717 W Maud St | |||
| WSI Testing Location | 225 PHYSICIANS PARK DR | |||
| WSI Testing Location | 225 Physicians Park Drive | |||
| WSI Testing Location | 2400 Lucy Lee Parkway | |||
| WSI Testing Location | 3019 Fair Street | |||
| WSI Testing Location | 723 Missouri 53 | |||
| WSI Testing Location | 8452 Clint Drive | |||
| WSI Testing Location | 801 NW SAINT MARY DR | |||
| WSI Testing Location | 1131 West Main Street | |||
| WSI Testing Location | 1914 Northwest Copper Oaks Circle | |||
| WSI Testing Location | 711 Highway 7 | |||
| WSI Testing Location | 12220 Blue Ridge Boulevard | |||
| WSI Testing Location | 13830 U.S. 71 | |||
| WSI Testing Location | 1200 W 22ND ST | |||
| WSI Testing Location | 12500 East US Highway 40 | |||
| WSI Testing Location | 13008 East US Highway 40 | |||
| WSI Testing Location | 17020 East US Highway 40 | |||
| WSI Testing Location | 17700 East 39th Street South | |||
| WSI Testing Location | 18921 East Valley View Parkway | |||
| WSI Testing Location | 19000 East Eastland Center Court | |||
| WSI Testing Location | 3675 South Noland Road | |||
| WSI Testing Location | 19550 E 39th Street South | |||
| WSI Testing Location | 233 Southeast Main Street | |||
| WSI Testing Location | 2741 Northeast McBaine Drive | |||
| WSI Testing Location | 1860 North Church Road | |||
| WSI Testing Location | 402 F PINE STREET | |||
| WSI Testing Location | 805 Northeast Rice Road | |||
| WSI Testing Location | 1643 NE DOUGLAS ST | |||
| WSI Testing Location | 1741 NE DOUGLAS ST STE 101 | |||
| WSI Testing Location | 403 BURKARTH RD | |||
| WSI Testing Location | 407 E Russell Ave | |||
| WSI Testing Location | 513 BURKARTH RD | |||
| WSI Testing Location | 514 BURKARTH RD | |||
| WSI Testing Location | 617 North Ridgeview Drive | |||
| WSI Testing Location | 200 Southwest Boulevard | |||
| WSI Testing Location | 1628 East 63rd Street | |||
| WSI Testing Location | 3917 Broadway Boulevard | |||
| WSI Testing Location | 8951 State Line Road | |||
| WSI Testing Location | 405 East 19th Avenue | |||
| WSI Testing Location | 2025 SWIFT AVE | |||
| WSI Testing Location | 2025 Swift Street | |||
| WSI Testing Location | 2700 CLAY EDWARDS DR | |||
| WSI Testing Location | 2700 Clay Edwards Dr | |||
| WSI Testing Location | 2800 Clay Edwards Drive | |||
| WSI Testing Location | 599 ARMOUR ROAD | |||
| WSI Testing Location | 5918 Northeast 49th Street | |||
| WSI Testing Location | 4321 Northeast Vivion Road | |||
| WSI Testing Location | 6401 FRONT STREET | |||
| WSI Testing Location | 6501 E. COMMERCE | |||
| WSI Testing Location | 5811 East Truman Road | |||
| WSI Testing Location | 4200 Raytown Road | |||
| WSI Testing Location | 6675 Holmes Rd | |||
| WSI Testing Location | 800 East 101st Terrace | |||
| WSI Testing Location | 9490 East State Route 350 | |||
| WSI Testing Location | 7600 Raytown Road | |||
| WSI Testing Location | 13551 Madison Avenue | |||
| WSI Testing Location | 1805 Northwest Platte Road | |||
| WSI Testing Location | 10015 N AMBASSADOR DR | |||
| WSI Testing Location | 10090 NW PRAIRIE VIEW RD | |||
| WSI Testing Location | 8300 North Church Road | |||
| WSI Testing Location | 9151 NE 81st Terrace | |||
| WSI Testing Location | 4563 Southwest Patton Road | |||
| WSI Testing Location | 2600 Factory Street | |||
| WSI Testing Location | 3202 Miller Street | |||
| WSI Testing Location | 1608 East Evergreen Street | |||
| WSI Testing Location | 1809 North Walnut Street | |||
| WSI Testing Location | 26136 U.S. 59 | |||
| WSI Testing Location | 2016 S MAIN ST | |||
| WSI Testing Location | 904 Edmond Street | |||
| WSI Testing Location | 1115 North Belt Highway | |||
| WSI Testing Location | 4776 Verona Drive | |||
| WSI Testing Location | 5301 Faraon Street | |||
| WSI Testing Location | 1213 N Belt Hwy | |||
| WSI Testing Location | 5506 Corporate Drive | |||
| WSI Testing Location | 2799 Washington Street | |||
| WSI Testing Location | 1403 North Jefferson Street | |||
| WSI Testing Location | 400 North Fullerton Street | |||
| WSI Testing Location | 191 Iowa Blvd | |||
| WSI Testing Location | 2800 Rock Haven Road | |||
| WSI Testing Location | 101 North Lyon Street | |||
| WSI Testing Location | 1800 Community Drive | |||
| WSI Testing Location | 215 E FRANKLIN ST | |||
| WSI Testing Location | 309 E. HOSPITAL RD | |||
| WSI Testing Location | 309 East Hospital Road | |||
| WSI Testing Location | 1229 East Austin Boulevard | |||
| WSI Testing Location | 345 South Barrett Street | |||
| WSI Testing Location | 855 ARDUSER DR. | |||
| WSI Testing Location | 2700 North Range Line Road | |||
| WSI Testing Location | 1102 West 32nd Street | |||
| WSI Testing Location | 1901 E 32nd St | |||
| WSI Testing Location | 1905 West 32nd Street | |||
| WSI Testing Location | 3201 MCCLELLAND BLVD | |||
| WSI Testing Location | 3201 McClelland Boulevard | |||
| WSI Testing Location | 4830 E 32ND STREET | |||
| WSI Testing Location | 512 E 32ND ST | |||
| WSI Testing Location | 5931 East 32nd Street | |||
| WSI Testing Location | 1154 North Garrison Avenue | |||
| WSI Testing Location | 1500 South Case Street | |||
| WSI Testing Location | 211 N. VALLEY STE. 600 | |||
| WSI Testing Location | 404 South Neosho Boulevard | |||
| WSI Testing Location | 1033 Cherokee Avenue | |||
| WSI Testing Location | 6055 North Main Street Road | |||
| WSI Testing Location | 704 BUCHANAN HWY. 50 WEST | |||
| WSI Testing Location | 704 W. BUCHANAN | |||
| WSI Testing Location | 1714 WEIN ST | |||
| WSI Testing Location | 509 W. 18TH STREET | |||
| WSI Testing Location | 916 East Main Street | |||
| WSI Testing Location | 1026-12 PALISADES BLVD | |||
| WSI Testing Location | 54 HOSPITAL DR | |||
| WSI Testing Location | 3536 KUHNE RD | |||
| WSI Testing Location | 901 KIDWELL DR. | |||
| WSI Testing Location | 1704 Christy Drive | |||
| WSI Testing Location | 2511 West Edgewood Drive | |||
| WSI Testing Location | 2712 PLAZA DRIVE | |||
| WSI Testing Location | 3308 W EDGEWOOD DR | |||
| WSI Testing Location | 3559 AMAZONAS ST. | |||
| WSI Testing Location | 3702 West Truman Boulevard | |||
| WSI Testing Location | 2475 Broadway Bluffs Drive | |||
| WSI Testing Location | 2910 Trimble Road | |||
| WSI Testing Location | 401 North Keene Street | |||
| WSI Testing Location | 2003 West Broadway | |||
| WSI Testing Location | 201 W Broadway Ste 2h | |||
| WSI Testing Location | 202 East Nifong Boulevard | |||
| WSI Testing Location | 3302 West Broadway Business Park Court | |||
| WSI Testing Location | 403 North Stadium Boulevard | |||
| WSI Testing Location | 601 Business Loop 70 W | |||
| WSI Testing Location | 900 West Nifong Boulevard | |||
| WSI Testing Location | 27762 Steamboat Ave | |||
| WSI Testing Location | 10 S HOSPITAL DR | |||
| WSI Testing Location | 1145 S. MORELY | |||
| WSI Testing Location | 1515 UNION AVE | |||
| WSI Testing Location | 1600 North Morley Street | |||
| WSI Testing Location | 300 North Morley Street | |||
| WSI Testing Location | 130 South Limit Avenue | |||
| WSI Testing Location | 1706 S INGRAM AVE | |||
| WSI Testing Location | 1800 West 5th Street | |||
| WSI Testing Location | 3401 W. 10TH STREET | |||
| WSI Testing Location | 3700 West 10th Street | |||
| WSI Testing Location | 2303 S. HWY. 65 | |||
| WSI Testing Location | 100 S. BISHOP | |||
| WSI Testing Location | 1060 South Bishop Avenue | |||
| WSI Testing Location | 1605 Martin Spring Drive | |||
| WSI Testing Location | 411 US HWY 72 E | |||
| WSI Testing Location | 206 West 2nd Street | |||
| WSI Testing Location | 1333 S. SAM HOUSTON | |||
| WSI Testing Location | 100 HOSPITAL DR | |||
| WSI Testing Location | 120 HOSPITAL DR STE 100 | |||
| WSI Testing Location | 120 Hospital Drive | |||
| WSI Testing Location | 1216 Deadra Drive | |||
| WSI Testing Location | 331 HOSPITAL DR | |||
| WSI Testing Location | 331 Hospital Drive | |||
| WSI Testing Location | 732 S. MADISON | |||
| WSI Testing Location | 404 West Rolla Street | |||
| WSI Testing Location | 909 South Pershing Street | |||
| WSI Testing Location | HIGHWAY 72 NORTH | |||
| WSI Testing Location | 704 U.S. Route 66 | |||
| WSI Testing Location | 608 OLD RT 66 | |||
| WSI Testing Location | 1240 North Butterfield Road | |||
| WSI Testing Location | 121 Cahill Road | |||
| WSI Testing Location | 800 State Highway 248 | |||
| WSI Testing Location | 201 South Ash Street | |||
| WSI Testing Location | 15498 Farm Road 2175 | |||
| WSI Testing Location | 94 Main Street | |||
| WSI Testing Location | 487 POMME DE TERRE DR. | |||
| WSI Testing Location | 315 E. CLEVELAND | |||
| WSI Testing Location | 1000 U.S. 60 | |||
| WSI Testing Location | 801 South Lincoln Avenue | |||
| WSI Testing Location | 103 N OLD WILDERNESS RD | |||
| WSI Testing Location | 608 East South Street | |||
| WSI Testing Location | 101 North Elm Street | |||
| WSI Testing Location | HWY 13 AND 76 | |||
| WSI Testing Location | 281 US HIGHWAY 60 W | |||
| WSI Testing Location | 1519 IMPERIAL OFFICE PARK | |||
| WSI Testing Location | 212 East 3rd Street | |||
| WSI Testing Location | 1308 North Glenstone Avenue | |||
| WSI Testing Location | 1423 N Jefferson Ave | |||
| WSI Testing Location | 1499 North Robberson Avenue | |||
| WSI Testing Location | 2959 East Chestnut Expressway | |||
| WSI Testing Location | 3000 E Division St | |||
| WSI Testing Location | 620 S GLENSTONE AVE | |||
| WSI Testing Location | 2032 E Kearney St | |||
| WSI Testing Location | 2120 W. KEARNEY | |||
| WSI Testing Location | 2619 North Kansas Expressway | |||
| WSI Testing Location | 2727 East 32nd Street | |||
| WSI Testing Location | 1235 East Cherokee Street | |||
| WSI Testing Location | 1310 E Kingsley St | |||
| WSI Testing Location | 1736 East Sunshine Street | |||
| WSI Testing Location | 1921 E Independence St | |||
| WSI Testing Location | 2055 South Stewart Avenue | |||
| WSI Testing Location | 3113 South Pickwick Place | |||
| WSI Testing Location | 3302 South National Avenue | |||
| WSI Testing Location | 1000 East Primrose Street | |||
| WSI Testing Location | 3213 South Campbell Avenue | |||
| WSI Testing Location | 4049 South Campbell Avenue |
At WSI, we take the hassle out of drug testing, allowing you to focus on what matters most – running your business. Trust us to be your partner in maintaining a safe, productive, and compliant workplace in Missouri.