Psychemedics is a provider of hair testing for drugs of abuse, utilizing a patented hair analysis method involving digestion of hair, enzyme immunoassay technology and confirmation by mass spectrometry to analyze human hair to detect abused substances. The company's tests provide quantitative information that can indicate the approximate amount of drug ingested as well as historical data. This information is used by employers for both applicant and employee testing, as well as by treatment personnel, law enforcement agencies, school administrators and parents concerned about their children's drug use. In addition, the company provides a test for alcohol using hair.

Sensient Technologies is a manufacturer and marketer of colors, flavors and fragrances. The company's three reportable segments are: Flavors & Fragrances Group, which develops, manufactures, and supplies flavor and fragrance systems for the food, beverage, personal care, and household-products industries; Color Group, which provides natural and synthetic color systems for use in foods, beverages, pharmaceuticals, and nutraceuticals, colors and other ingredients for cosmetics; and Asia Pacific Group, which provides a range of products from its Flavors & Fragrances Group and Color Group, as well as products developed by regional technical teams to appeal to local preferences.