What Makes Global Different?

Global Drug & Alcohol Testing has been providing collection and testing services to Northern California for over a decade. We are one of the few collection facilities accredited by the Drug & Alcohol Testing Industry Association (DATIA) providing superior collection services, ensuring a commitment to accuracy, protecting the privacy of the donor and the integrity of the specimen.

We offer a comprehensive list of collection and testing services specializing in Consortium/Third Party Administrator management and Department of Transportation compliance. Please refer to our Services page for a detailed overview of how we may serve your collection and testing needs.

Our Team

JOHN SIMMONSFounder and President
REBY SIMMONSVice President

Our Partners

DNA Diagnostics Center

The largest most experienced private DNA paternity testing laboratory in the U.S. and around the world.

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Quest Diagnostics

The nation’s leading provider of diagnostic testing, information and services. Feel free to visit the website for more information about Quest Diagnostics.

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Drug & Alcohol Testing Industry Association (DATIA)

Represents the entire spectrum of drug and alcohol service providers including collection sites, laboratories, consortiums/Third Party Administrators, Medical Review Officers, and testing equipment manufacturers. Feel free to visit the website for more information about DATIA.

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MRO Express

Provides Medical Review Officer (MRO) services for Global Drug & Alcohol Testing. The MRO is certified to review and interpret lab results for confirmed positive test results as required by federal testing regulations. Please call for more information about services

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MEDTOX Laboratories

Certified by the Department of Health and Human Services to provide laboratory services for Global Drug & Alcohol Testing. MEDTOX specializes in drugs of abuse testing and provides forensically sound data to governmental agencies, public, and private companies. Feel free to visit the Web site for more information about MEDTOX.

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