Pre-Employment & Return-to-Work Drug Testing Random Selection Drug Testing Programs Post-Accident Testing & After-Hours Collections Urine | Hair | Saliva | Breath Alcohol Rapid & Lab-Based Testing Available House Account Labs & Medical Review Officer Contact us Feel free to send us a message, give us a call or stop by and say hi. Our group of friendly staff is here to help. Office Location1211 South Douglas Highway Suite #110 Gillette, WY, 82716 Phone Number307-670-9410 Send a Messagemegan.bailey@htwyo.com roybuchanan@htwyo.com