Testing for Employers, Concerned Parents, Court Cases and Personal Knowledge. As experts in the drug screening industry, we make the process easy and convenient for everyone. Whether you’re an employer, individual, physician or parent, you can schedule drug screening tests that detect the presence of marijuana, cocaine, opiates, pain-killers, amphetamines, club drugs, synthetics (oxycodone, K2, spice), alcohol, ETG, barbiturates, muscle relaxers, anti-anxiety medications and many other drugs.