Our Mission

Assist our clients in providing employees, contractors, and the public safer environments to work, live, play, and travel.

Who we are

Crossroads Drug And Alcohol Testing is a small business located in Duarte Ca along where the 210 and 605 freeways merge and just short minutes from the 10 and 60 freeways.  Our resources allow us to provide coverage for all of California and most states. The LA Metropolitan Transportation Department and other agencies recognize Crossroads Drug And Alcohol Testing as a Disadvantaged Business Enterprise (DBE) and a Small Business Enterprise (SBE).  Owner Byron Nelson has been active in the drug testing industry for over 20 years.

Today, Crossroads operates a local clinic in Duarte, Ca. The company specializes in testing for all modes of The Department of Transportation, Construction Contractors, and Human Resource Departments of companies locally and nationally. Our partners are DOT certified laboratories, eScreen, Formfox, and thousands of collection sites nationwide that allow Crossroads to test almost anywhere at any time.    Our certified collectors can come to your site for multiple testing, saving you time and money in the process.  Electronic Chain of Custody or eCCF makes testing for drugs less cumbersome for the employer and eliminates paper.

Byron Nelson

President and founder


Our Values

Lasting Integrity, Trustworthiness, Superior Service, Strong Character, and Quality Care are the keystones of our company.

Random Testing Consortium