We focus on providing efficient, reliable testing so drivers can stay compliant, employers can meet workplace requirements, and individuals can access trusted testing services when they need them.
At DOTDOC, we make compliance, testing, and workplace health simple. Based in Forest Park, IL and supported by a nationwide network, we provide comprehensive DOT services for businesses—including drug and alcohol testing, compliance support, respirator fit testing, and medical surveillance—to help employers maintain safe, compliant workplaces.
For individuals, we offer fast, stress-free DOT physicals, DNA testing, return-to-duty testing, and general lab services. Whether you’re renewing a medical card, establishing paternity, completing an SAP process, or checking your health, our team ensures accurate results without the wait.
With a focus on efficiency, reliability, and affordability, DOTDOC is proud to be your trusted partner for testing solutions that keep people healthy and workplaces safe.
Companies that require workplace testing programs, including drug testing, respirator fit testing, and occupational health services.
On-site testing is ideal for construction companies, manufacturing employers, healthcare facilities, and other workplaces requiring employee testing programs.
Drivers needing DOT physical exams, drug testing, or return-to-duty testing, as well as individuals seeking reliable DNA testing, laboratory testing, and other personal testing services.
Located right off I-290, less than 10 miles from Chicago, with easy access and ample parking. Available evenings and weekends.
We’ve performed thousands of tests and exams and can guide you through any testing situation with confidence and care.
All tests are processed by accredited laboratories, including AABB and SAMHSA-certified labs, ensuring highly accurate and reliable results.
Our staff includes FMCSA Certified Medical Examiners, Certified DOT Urine Specimen Collectors, Certified Breath Alcohol Technicians, and professionals trained in NIOSH-approved spirometry.
We offer on-site services including drug testing, respirator fit testing, and workplace screenings, helping minimize downtime and streamline compliance.
Know exactly what you’re paying before your test, with no hidden fees.
DOTDOC maintains active professional affiliations and certifications supporting transportation safety and workplace health.
• Member, Forest Park Chamber of Commerce
• Member, Oak Park River Forest Chamber of Commerce
• Listed provider on the FMCSA National Registry of Certified Medical Examiners
• Authorized provider for FAA BasicMed examinations
These affiliations reflect our commitment to maintaining professional standards and supporting the communities we serve.