Protecting partners today so business and people flourish tomorrow.

The Region’s recognized leader for drug and alcohol screening and workplace programs.


Programs for Employer or Personal Need
Post Accident


Drug Policy
Creation, Implementation, Management
Health and Wellness Programs

We Deliver Results

Accurate drug and alcohol screening and workplace programs at a fair price in a convenient, comfortable environment from professionals that care.


All Guardian Technicians are DATIA Certified (CPC’s- Certified Professional Collectors). All technicians are Also BAT Certified for Breath Alcohol Tech use.

Why Choose Guardian

We are Locally owned and operated right here in the Tri-State Area – Downtown Cincinnati. Guardian is the most accurate, convenient customer focused Drug and alcohol testing facility in the Tri-State Area. Our staff has over 500,000 accurate collection performed!


Guardian Drug Screen is Accredited through DATIA – The foremost authority in Drug and Alcohol Certification.

Our People

We answer the phone! We are Large enough to handle your accounts Nationwide, but small enough to offer The Best Customer Service.
medical professionals

Are you ready for a safer workplace?

Your treatment will be performed by licensed Certified Professional Collector. Schedule your appointment now!
  • “Guardian handles all of our Drug Free Workplace testing accurately and at a great value. Their customer service is unmatched by anyone in the industry- 24/7. They put us first and always find a way to say yes.”

    Bobby Dane

What are the Benefits of a Drug Free Workplace?

  • Increased productivity
  • Reduced turnover
  • Reduced tardiness
  • Reduced absenteeism
  • Safer work environment
  • Saving of valuable time on the hiring process
  • Hiring only drug free employees
  • Worker’s Comp Insurance Incentives – many states grant a discount
  • Long term reduced health insurance costs
  • Compliance with regulatory or contractual requirements

Industry News and Notes

See below for the latest news and trends in workplace safety.