• Drug & Alcohol Testing

    Cutting edge technology for testing and maintaining drug-free workforces.

    read more
  • Background Screening

    Sequential is the premier source for employee screening solutions.

    read more
  • Clinical Laboratory Support Services

    Sequential lab facilities improve patient care by providing safe, on-site testing for any disease or condition.

    read more
  • Corporate Health & Wellness Program

    Sequential instructs employers exactly how and where to invest in wellness for a better investment return.

    read more
  • DNA Testing

    Now I have a peace of mind …because I know

    read more