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Fastest Labs is an industry leader in providing integrated and comprehensive individual and employee drug testing solutions across the country, including Wisconsin. Aside from our drug and alcohol testing services, DNA testing services, and DOT-compliant services, we offer a number of other testing services for individuals in numerous industries, including:

  • Athletic drug and alcohol testing
  • Government testing services
  • Background checks/pre-employment screening
  • Military testing services for federal civilian employees
  • Military testing services for U.S. Coast Guard members
  • Court admissible DNA, drug, and alcohol testing
  • DNA testing for immigration matters

No matter your specific needs, we can work with you to provide convenient testing services in our clean, comfortable facilities.

If there isn’t a Fastest Labs facility near you, you can head over to any of the locations below to get access to our drug testing services all across Wisconsin. (Important: Please bring your Fastest Labs chain of custody paperwork with you before you arrive for a drug test – contact your local Fastest Labs for additional instructions).

  • Kenosha
    Quest Diagnostics
    10117 74th St Ste 110
    Kenosha, WI 53142
  • Milwaukee
    Quest Diagnostics
    4852 S 6th St
    Milwaukee, WI 53221
  • Wauwatosa
    Quest Diagnostics
    2600 N Mayfair Rd Ste 890
    Wauwatosa, WI 53226
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