PerkinElmer, Inc. · Waltham, MA United States ·(NYSE: PKI)

If you know the difference between covalent and ionic bonds, you can probably appreciate the products from PerkinElmer. The company makes a wide range of analytical instruments used for chemical and thermal analysis, including calorimeters, chromatographs, and spectrometers. PerkinElmer has reorganized its business into two segments: Human Health and Environmental Health. Human Health includes the company's Bio-discovery, Genetic Screening, and Medical Imaging operating units. Environmental Health comprises the Analytical Sciences, Laboratory Services, and Detection and Illumination (formerly Sensors and Specialty Lighting) units. About 60% of PerkinElmer's sales are to customers outside the US. To read the full description, subscribe now.