AZC Drug Testing owned by Oschmann Employee Screening Service is your partner for maintaining a drug-free workplace in Arizona and across the US. Since 1996, we have operated as a national provider of Drug & Alcohol Testing Programs as well as DOT Compliance Programs. Our state-of-the-art solutions for rapid, cost-effective drug and alcohol screening are perfect for any industry. Our additional services include: family & personal drug testing, paternity testing, and DNA testing.