Why Wienhoff Drug Testing?

Experience:  Wienhoff Drug Testing has over 20 years experience in the industry serving thousands of companies.

Integrity:  Wienhoff Drug Testing uses the best technology and most well-refined processes to ensure that, from specimen collection to result delivery, you can trust and depend on our service without compromise.

Reliability:  Our processes and laboratory partners are simply the most reliable in the nation. Our standards are high because yours are.