Nationally Trusted

Employee Screening

Drug & Alcohol Testing. Background Checks. Safety Health Services.

Why Wienhoff?

Experience. Reliability. Standards.

Experience

Wienhoff Drug Testing has over 30 years of experience in the industry serving thousands of companies.

Reliability

We use the best technology to ensure that, from specimen collection to result-delivery, you can trust and depend on our service without compromise.

High Standards

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

Turn-around Time

We excel at speedy turn-around times on background checks, alcohol testing, and drug testing.

What We Do


Employee background checks and drug-testing for any size business.

“They demonstrate and maintain an accurate and professional experience… Treated as a person and not a number!”

Kevin Coleman, Wienhoff Customer

Just A Few of the

Industries We Serve


Trucking

Aviation

Power & Gas

Construction