10 Biggest Companies That Drug Test

Page 4 of 11

#8 AT&T Inc. (NYSE:T)

Market Cap – $237.90 billion

AT&T Inc. (NYSE:T) requires a mandatory urine test be taken as the final step of its pre-employment screening process. While the company will apparently also do some random testing of employees, this appears to be infrequent.

Africa Studio/Shutterstock.com

Africa Studio/Shutterstock.com

Follow At&T Inc. (NYSE:T)

Page 4 of 11