On-Site Drug Testing Coverage — 40 States

Birmingham manufacturing and I-20/I-65 freight corridors — industrial employers and regional fleet operations across central Alabama.

Phoenix Sun Belt growth—construction, manufacturing, and seasonal hiring spikes.

Fayetteville/Springdale Northwest Arkansas corridor — Tyson Foods, I-49 logistics, and food-processing employer programs.

LA Basin diversified employers—port-adjacent, entertainment-adjacent, and office staging.

Moreno Valley and Perris Inland Empire east warehouse clusters — large-scale distribution employers, long-haul staging yards, and high-volume DOT fleet testing demand.

Inland Empire warehousing and long-haul staging east of greater Los Angeles.

I-25/I-70 corridor employers — energy, construction, aviation, and Front Range logistics staging through metro Denver.

Federal contractors and government-adjacent employers — DMV-area workplace collections where downtown clinic trips stall operations.

Port Everglades cargo operations, Fort Lauderdale airport employers, and Southeast Florida construction corridor — high employer density between Miami and Palm Beach.

Jacksonville port, defense-adjacent employers, and Florida–Georgia employer mix.

Tampa Bay distribution, healthcare-adjacent campuses, and regional offices.

Miami port, hospitality, and international-trade-adjacent employer operations.

Lakeland I-4 corridor — Publix distribution HQ, Amazon fulfillment, and Saddle Creek Logistics create one of Florida's densest warehouse and distribution employer clusters between Tampa and Orlando.

Port of Savannah drayage fleets, port-adjacent warehousing, and freight employers — East Coast container gateway with high DOT fleet testing demand and limited local mobile coverage.

Hartsfield-Jackson Atlanta International Airport — world's busiest airport with FAA-regulated ground handlers, cargo carriers, airline catering, and ramp crews requiring DOT drug and alcohol testing.

Atlanta tech, air-cargo-adjacent, and Southeast HQ employer concentration.

Lawrenceville and Duluth I-85 distribution corridor — manufacturing plants, warehouse employers, and staffing agencies with multi-shift on-site testing demand northeast of Atlanta.

Chicago metro core—yards, plants, and HQ-adjacent workplace staging.

West suburban offices, labs-adjacent sites, and distribution employers.

West suburban Chicago employers, light manufacturing, and regional offices.

Joliet / I-80 corridor warehousing and heavy industrial employer activity.

Indianapolis logistics and statewide fleet operations tied to I-65 / I-70.

Des Moines–area processing, ag-adjacent employers, and cross-country trucking schedules.

Wichita aerospace manufacturing — Spirit AeroSystems, FAA aviation suppliers, and I-35 south-central Kansas fleets.

Louisville Ohio River commerce and Midwest–South employer staging.

Port of New Orleans, petrochemical corridor, and I-10 Gulf Coast freight — marine, tank, and industrial employer testing demand.

Port of Baltimore, healthcare systems, and I-95 corridor fleets — construction and logistics employers throughout the Baltimore metro.

DMV-area warehouse and logistics corridor — FedEx hub, port-adjacent distribution, and federal contractor fleets where on-site testing avoids D.C. metro clinic delays.

Boston metro — Logan Airport cargo, Longwood Medical employers, Seaport construction, and I-93/I-90 fleet operations.

Detroit-area automotive-adjacent plants and tooling supplier employers.

Minneapolis–Saint Paul distribution, manufacturing, and Twin Cities corporate campuses — including major industrial employers like 3M-adjacent supplier networks.

Kansas City MO manufacturing and I-70/I-35 logistics — Crossroads freight, rail, and multi-site Midwestern fleets.

Great Falls and Malmstrom AFB defense contractor corridor — see Great Falls.

Miles City ranching, rail, and southeastern Montana fleets — see Miles City.

Glendive Bakken-adjacent oilfield and I-94 freight — see Glendive.

Kalispell tourism, construction, and northwest Montana trucking — see Kalispell.

Bozeman construction, airport, and Gallatin Valley growth — see Bozeman.

Havre Hi-Line rail and agricultural CDL corridors — see Havre.

Helena state capital contractors and I-15 corridor fleets — see Helena.

Western Montana healthcare, rail, and I-90/US-93 trucking — see Missoula.

Butte mining/MSHA and continental divide freight — see Butte.

Billings refinery, BNSF Yellowstone Division, and I-90/I-94 freight — see Billings.

Omaha Union Pacific HQ, Werner Enterprises and regional CDL fleets, and Missouri River logistics employers.

Las Vegas construction boom, I-15 freight, and hospitality/casino employer hiring — high-volume pre-employment and random programs.

Newark port-adjacent logistics, I-78/I-95 corridor freight, and northern New Jersey pharma and distribution employers.

Albuquerque metro defense, DOE, aerospace, and I-25/I-40 freight — see Albuquerque.

Roswell aerospace, dairy, and southeastern NM fleets — see Roswell.

Clovis Cannon AFB and eastern NM agriculture/trucking — see Clovis.

Las Cruces / border corridor employers and southern NM fleets — see Las Cruces.

Carlsbad / Artesia Permian Basin oilfield and WIPP corridor — see Carlsbad and Artesia.

Hobbs Permian oilfield services and CDL fleets — see Hobbs.

Gallup I-40 freight and northwestern NM employers — see Gallup.

Alamogordo / Holloman AFB defense contractor corridor — see Alamogordo.

Farmington San Juan Basin energy and Four Corners employers — see Farmington.

Rio Rancho growth corridor construction and Intel-area employers — see Rio Rancho.

Santa Fe government contractors and northern NM employers — see Santa Fe.

NYC borough mixed employers and airport-adjacent workplace collections.

Long Island light industry, healthcare support, and suburban workplace clusters.

Charlotte finance hub and Carolinas multi-site distribution staging.

Williston Bakken oil patch — PHMSA pipeline, oilfield services, and remote worksite collections across western North Dakota.

Cleveland manufacturing, steel production, and Lake Erie port activity — Ohio's largest metro with significant DOT fleet and industrial employer concentration.

Columbus-area warehousing and regional distribution employers on east–west corridors.

Cincinnati air cargo crossroads — DHL Americas hub, Amazon Air operations at CVG, and tri-state I-71/I-75 corridor employers with DOT fleet and warehouse testing needs.

Oklahoma City I-35/I-40 corridors, Tinker AFB contractors, and oil & gas fleet employers across the OKC metro.

Portland I-5 corridor, port operations, and tech/manufacturing employers — including semiconductor-adjacent contractor fleets.

Lehigh Valley manufacturing between Philadelphia and New York employer markets.

Port of Charleston, Boeing supply chain, and I-26 industrial corridor — CDL drayage and manufacturing employer programs.

Memphis Mid-South distribution and rail/highway employer corridors.

San Antonio manufacturing and I-35 corridor fleet operations — Toyota plant, Joint Base San Antonio contractors, and regional transportation employers with DOT and non-DOT testing needs.

North DFW corporate campus and construction boom — Plano and McKinney employer relocations driving pre-employment and random testing demand alongside active fleet operations.

DFW corporate campuses, distribution centers, and multi-site warehouse operations. See our Dallas-Fort Worth location page for DFW cities, areas, and program details.

Houston-area port, petrochemical, and Gulf Coast industrial employer sites.

Fort Worth fleet yards, Alliance Airport industrial corridor, and BNSF rail operations — heavy DOT employer concentration along I-35W and Loop 820.

Austin technology and manufacturing expansion — Tesla Gigafactory, Samsung semiconductor, and Apple campus driving high-volume pre-employment and random testing demand across a rapidly growing employer base.

I-15/I-80 crossroads logistics, Delta hub aviation cargo, mining contractors, and Intermountain healthcare employers.

Northern Virginia defense IT and federal contractor corridor along I-95/I-66 — Tysons, Reston, and Dulles-adjacent employers.

Seattle–Tacoma port, Boeing-adjacent aerospace, and Amazon HQ campus contractors — FAA, FMCSA, and workplace testing demand.

Southeast Wisconsin manufacturing and Upper Midwest distribution activity.