Danaher Corporation (Danaher) designs, manufactures and markets professional, medical, industrial and commercial products and services. Its research and development, manufacturing, sales, distribution, service and administrative facilities are located in more than 50 countries. It operates in five segments: Test & Measurement; Environmental; Life Sciences & Diagnostics; Dental and Industrial Technologies. Test & Measurement is a provider of electronic measurement instruments, professional test tools, thermal imaging and calibration equipment. Environmental serves two markets: water quality and retail or commercial petroleum. Diagnostics businesses offer a range of analytical instruments, reagents, consumables, software and services. Dental is a provider of a range of consumables, equipment and services for the dental market. Industrial Technologies designs and manufactures components and systems that are incorporated by original equipment manufacturers and systems integrators.