Our Products & Services

Drug Testing Laboratory

KNOX Laboratory provides substance abuse testing  for a wide range of customers
 
Pre-Employment Physicals

To determine the physical eligibility of job candidates
 
Pre-Employment Screening

Additional services available designed to screen 'predatory' job applicants

Drug Testing Policies

A service to develop and automatically update a company's drug testing policy based on guidelines from the Oklahoma State Department of Health

D.O.T services offered
Knox offers full Department of Transportation Drug and Alcohol Compliance services, including testing and consortium services

Other Services

  • Background Checks
  • Alcohol Tests
  • Paternity Testing
  • Audiometric Testing
  • Pulmonary Function and
    Respirator Fit Testing