DISA offers advanced drug testing methodologies—including urine, hair, oral fluid, and breath alcohol testing—customized for workplace needs to ensure accurate, compliant, and reliable results.

Learn about the most frequently screened drugs in employment testing, including marijuana, opioids, cocaine, amphetamines, and synthetics.

Learn how California’s Clean Truck Check regulation impacts fleet compliance and how DISA can help you stay ahead of evolving requirements. 

Ensure safety and compliance with around-the-clock drug and alcohol testing following workplace incidents or signs of impairment.

Support employee wellness with routine blood testing to detect illness, monitor exposures, and ensure fitness for duty in safety-sensitive roles.

DISA's annual Screening, Safety, & Strategy Conference is Back this January 29, 2026 in Houston, TX. Join one of the largest HR screening & compliance conferences for insights into background screening, drug testing, DOT/FMCSA, and more while earning SHRM & HRCI credits.

Join HR leaders at the 2026 Screening, Safety, & Strategy Conference in Houston for a full-day HR conference on screening, DOT compliance, HR strategy & continuing education credits.