"Take A Closer Look At Who You Employ"
Welcome to Premier InfoSource, the preferred provider of employment screening and drug testing services. This site will become your home for unprecedented access to information about your employment screening and drug testing needs. As you navigate the site, you will find information about all of our services and information helpful in determining which services are right for you.

Premier has joined forces with Quest Diagnostics utilizing their nationwide network of Substance Abuse and Mental Health Services Administration (SAMHSA) Certified Laboratories to provide accurate and consistent drug testing as a part of our comprehensive list of employment screening options. Quest is the leader in this field performing over 10 million substance abuse tests annually. A network of thousands of conveniently located Quest Diagnostic PSC (Patient Service Centers) are available for collection throughout the United States. In addition to the federally mandated NIDA panel, Quest Diagnostics offers a variety of test panel levels, which can be combined with TestSure Adulterant Testing. All tests can be ordered and results retrieved from our website as a part of our comprehensive employment screening report. All services are itemized into a single, easy to read invoice for your convenience.

Quest Diagnostic

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