

Professional drug, DNA, and DOT compliance testing for employers, individuals, and organizations across the Carolinas. Reliable. Confidential. Always on time.
From DOT-regulated drug screens to confidential DNA testing — every service is performed with laboratory-certified accuracy and uncompromising discretion.
DOT and non-DOT drug screening services for employers and individuals.
Long-term drug use detection with laboratory-certified analysis.
Convenient saliva testing with quick collection procedures.
Extended detection using fingernail or toenail samples.
Confidential paternity, family relationship, and legal DNA testing.
Full DOT-regulated testing protocols for fleet and CDL employers.


A complete third-party administrator program — purpose-built for fleets, owner-operators, and safety-sensitive employers under DOT/FMCSA regulation.

Full third-party administrator services for DOT compliance programs, random pools, and regulatory recordkeeping.
Rapid mobile post-accident testing dispatched to your location to meet FMCSA timelines.
Coordinated return-to-duty and follow-up testing per SAP recommendations and DOT requirements.
Mobile and on-site testing across the greater Charlotte metro and surrounding communities in NC & SC.

Whether you're an employer seeking dependable testing solutions or an individual in need of confidential testing — DOT Works is here to help.