Our collectors are certified to perform DOT and non DOT Collections at your facility on your schedule


We Offer:


  • 5-Panel Rapid Screen - Immediate Results
  • Lab Confirmation for Non-Negative Result Including MRO Review
  • DOT Drug and Alcohol Screening
  • DNA & Paternity 
  • Spice / K2 (synthetic Marijuana)
  • Alcohol EBT and Saliva Alcohol Test
  • ​Hair Drug Testing


Rapid, Accurate, On-Site
We offer same-day, after hours, and weekend testing.

Additional services available.  Call 989-387-5471 or e-mail info@greatlakesonsite.com 

Our Services:

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