About Us

Certified to perform testing on the following Federal DOT Agencies: 

FMCSA, FRA, FTA, PHMSA, USGC

• After hours services
• Weekend services
• Post Accident 
• Reasonable Suspension 
• Scheduled Testing
• Unscheduled Testing 
• Random Testing 
• Pre-Employment 
• No Notice Testing 
• Breath Alcohol Monitoring  

Certified to Perform Testing on All Modal Agencies. 

Employees can be tested on-site using rapid test technology. Negative results are available within minutes. Non-negative screens are confirmed at a SAMHSA certified laboratory.    

GEM Drug and Alcohol Testing Service provide quality assurance, efficiently and effectively. Our mission is when you call we won’t stall. We are committed to timely arrivals and testing. 

Call us for your on-site drug & alcohol testing needs. 

By land, water, pipeline, wheels, rails and wings...  *any place, anytime