Our Services
Drug & Alcohol Testing Services
-Urine drug testing (5-panel, 10-panel, etc.)
-Hair follicle testing
-Saliva drug testing
-DOT -compliance testing
-Non-DOT testing
Alcohol Testing
-Breath alcohol testing (BAT)
-Saliva alcohol testing


Testing Program Mgmt. & Specialty Services
-Random drug testing programs
-Consortium and third-party administrator (TPA) services
-Policy development assistance
Specialty Services
-Post accident testing
-Return to duty and follow up testing
-Court-ordered and probation testing
-School and athletic program testing
-24/7 availability for businesses and agencies
-On-site group testing
Mobile Collection Services




Our Services
Convenient mobile drug and alcohol testing tailored for employers, agencies, schools, and individuals.
On-Site Testing
Professional drug and alcohol testing performed at your location to ensure compliance and convenience.
Confidential Results
Accurate and private reporting of test results, maintaining integrity and professionalism at all times.


Frequently Asked Questions
What services do you offer?
We provide mobile on-site drug and alcohol testing for employers, government agencies, schools, and individuals with DOT and non-DOT compliance.
How does mobile testing work?
Our team travels to your location, eliminating the need for travel to testing centers while ensuring accurate and confidential testing services.
Are your tests DOT compliant?
Yes, all our drug and alcohol testing services meet Department of Transportation (DOT) standards as well as non-DOT regulations for workplace safety.
Who administers the tests?
Tests are administered by experienced professionals led by Malinda Clark, ensuring accuracy, confidentiality, and compliance with all regulations.
How do you ensure confidentiality?
We follow strict privacy protocols to protect personal information and test results, maintaining professionalism and trust at all times.
What areas do you serve?
Clark Testing Solutions LLC offers mobile testing services across multiple regions, providing convenient access for employers and individuals alike.