Professional Mobile Drug Testing & DNA Collection
Davis Lab Service LLC provides DOT and non-DOT drug testing, I-9 employment verification, background checks, DNA specimen collection, and ink fingerprinting directly to your location in DFW.

Our Specialized Testing Services
Davis Lab Service LLC offers professional mobile collection services tailored for individual and employer Needs throughout the DFW Metroplex.
Drug Screens
DOT and Non-DOT urine collection and hair follicle testing. Mobile on-site services for Dallas-Fort Worth employers and individuals.
DNA Testing
Legal paternity, maternity, and immigration DNA collection. We provide the mobile convenience required for family and legal verification.
Fingerprinting
Traditional ink fingerprinting for employment, background checks, and professional licensing. Accurate mobile services delivered to you.
I-9 Verification
Mobile I-9 employment eligibility verification for remote and on-site hires. We serve as your authorized representative for secure compliance.
Background Checks
Comprehensive pre-employment screening solutions. Secure mobile processing for criminal history and professional background verification.
The Benefits of On-Site Testing

Reduced Downtime
Minimize employee time away from work. Our mobile testing team comes directly to your location, helping operations continue with minimal disruption.

Enhanced Compliance
Maintain consistent DOT and non-DOT compliance with professional specimen collection and standardized testing procedures.

Greater Integrity
Our professional collectors manage the entire process on-site, reducing the opportunity for subversion and ensuring validity.
Mobile Drug Testing & DNA Collection
Davis Lab Service provides professional DOT and non-DOT drug testing at workplaces, job sites, and designated locations throughout Dallas-Fort Worth. We bring the lab to you.
Drug Testing
DOT & Non-DOT collections available on-site for employers and individuals.
DNA Testing
Paternity, Siblingship, and Immigration DNA collections with legal chain-of-custody.
Fingerprinting
Professional ink fingerprinting services for employment, licensing, and certification.
Employer Services
Customized pre-employment screening and randomized testing programs.
Employer Services
- DOT & Non-DOT Testing
- Pre-Employment Screening
- Random Selection Programs
- On-Site Collections
- Background Checks
- Drug-Free Workplace Policy
Areas Served
- Fort Worth
- Dallas
- Arlington
- Irving
- Grand Prairie
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