PharmChem, Inc. is a laboratory that provides integrated drug testing services. The Company's customers include private and public employers, criminal justice agencies and drug treatment programs in the United States and Puerto Rico that seek to detect and deter the use of illegal drugs and alcohol. The Company is certified by a number of state agencies and organizations to conduct drug testing using forensic procedures. Organizations include Substance Abuse and Mental Health Service Administration of the United States Department of Health and Human Services, and the College of American Pathologists. The Company tests for a number of drugs of abuse, including cocaine, methamphetamine, heroin, phencyclidine, marijuana (tetrahydrocannabinol) and alcohol. The Company tests primarily by urinalysis, but also with the PharmScreen and PharmView on-site screening devices and the PharmChek Drugs of Abuse Patch (for testing with sweat).