Walk-ins welcomeFast service at our Dallas center.
Veteran & law-enforcement-owned
Dallas drug testing. Mobile DFW service.
Walk-in DOT and Non-DOT drug and alcohol testing in Dallas, mobile workplace collections across DFW, compliance support and online workforce training—all from one trusted local partner.
Weekdays, 9 AM–4:30 PMMobile & on-siteEmployer focused
Dallas testing centerClinic, mobile & on-site serviceWalk-ins welcomeCall 214-275-6300
Mobile on-site testingProfessional collections at your location.
Online Training AcademyCourses, assessments and records.
Welcome to Test First
Compliance made simple.
We help individuals and employers navigate testing, training and workplace compliance with clear guidance and dependable local service.
Watch this brief welcome, then explore the support that fits your needs—from walk-in and mobile testing to practical online training.
35-second welcomeTesting & trainingDallas–Fort Worth
Popular Dallas–Fort Worth services
Choose the exact testing support you need
Walk into our Dallas center or arrange mobile workplace collections across DFW.
DOT Drug TestingRegulated collections for CDL drivers and safety-sensitive employees.DOT testing in Dallas →Mobile Drug TestingOn-site workplace collections throughout the DFW Metroplex.Schedule mobile service →Pre-Employment ScreeningDOT and Non-DOT testing for employers and job candidates.Plan a new-hire screen →Post-Accident ResponseTime-sensitive drug and alcohol testing coordination.Review response options →Breath Alcohol TestingEmployer, DOT, court, program and personal testing.View alcohol testing →Background ScreeningCriminal packages, education and employment verification.Compare screening options →
One trusted compliance partner
Testing, training and support in one place
Choose the service you need without sorting through separate websites.
Drug & Alcohol TestingDOT, Non-DOT, mobile, post-accident and specialty testing.View testing services →Online Training AcademySelf-paced courses, assessments and completion records.Explore courses →One Simple LeapSubstance-abuse evaluations are available now. Additional education programs are coming soon.View evaluations and programs →
Service, leadership and local growth.
Read media coverage of founder Dwaun Roberson’s record of mentorship and Test First Premier Partners’ expanding mobile compliance services across Dallas–Fort Worth.
View news and media coverage →Practical DOT training for drivers and supervisors.
Explore online CDL/DOT compliance refreshers, moving-violation corrective training and reasonable-suspicion supervisor training with assessments and completion records.
Explore Training Academy courses →Dallas center and mobile DFW service
Plan your serviceNeed testing or training?
Walk in for eligible weekday testing, schedule mobile workplace collections or contact our team to confirm the right service.