• OHS Health and Safety Services, Inc. offers on-site drug testing services for companies and schools, testing devices, and technician training and certification.

• Penn Services Group provides drug testing, collections, and compliance consulting to employers and agencies nationwide.

• Preferred Alliance We manage comprehensive D.O.T. drug & alcohol compliance systems.

• Professor Test Kit sells home drug tests and provides information for helping users, addicts, families, and friends understand the complicated world of drugs.

• Random Drug Screens, Inc. full service drug testing company that specializes in testing, educating and implementing drug-free workplace programs.

• Rapid Drug Testing Services, Inc. FDA approved on-site drug screen kit, tests for the presence of marijuana, cocaine, opiates, PCPs and AMPs. Laboratory accuracy, results in 3-5 minutes. Ideal for pre-employment, random testing.

• San Diego Reference Laboratory services include drug screens and hair analysis.

• STA United, Inc. specializing in DOT mandated drug and alcohol for the transportation industry.

• STAT America provides employee drug testing programs, and onsite drug screening and alcohol testing products.

• STC Technologies, Inc. offers Intercept, the oral fluid drug test.

• Substance Abuse Management, Inc. offers workplace substance abuse testing programs including random selection, medical review, education, and training.

• Sur-Scan provides a complete line of on-site drug testing and screening products.

• Test Kits Express Rapid Drug Screen drug testing kit for corporate onsite screening.

• TestNet, LLC offers specimen collections, breath alcohol screens, DOT physicals, and drug-free workplace insurance services.

• The Oschmann Organization Provides drug and alcohol testing management and Department of Transportation compliance programs.

• Transportation and Small Business Consortium Federal Aviation and Highway companies full service turn key programs DOT and NON, specializing in small companies.

• University Services MRO medical review officers, drug testing services, substance abuse management, and sleep disorder centers.

• Wolfe Data Offers nationwide employee drug and alcohol testing services.

• WPCI Work Place Drug Testing offers drug and alcohol testing programs to employers in the U.S. and Canada.