About Us

Above the rest.
All Valley Drug Screens takes pride in servicing the Rio Grande Valley. We are a drug screening company as well as an occupational medical clinic for your business needs. With over 20 years experience in the field of diagnostic testing, we understand the sensitivity and concerns of our patients when subjected to drug testing and occupational wellness.

We understand that time is money.

Not only are our offices conveniently located in Brownsville and McAllen, Texas, but our mobile drug testing capabilities allow us to service your needs on-site which guarantees that your employees will return to work within minutes and not hours.

Experience matters.
  • DOT Compliance Specialist
  • Certified International Technician
  • DATIA Certified Forensic Technician
  • Dräeger and LifeLock Certified Trainer
  • TWIC Certified