Hach Company manufactures and distributes analytical instruments and reagents used to test the quality of water and other liquid solutions. Manufactured and distributed worldwide, Hach systems are designed to simplify analysis by offering on-line instrumentation, portable laboratory equipment, prepared reagents, easy-to-follow methods, and technical support.

Hach is a wholly owned subsidiary of Danaher Corporation (DHR), a fortune 500 corporation.

Hach's global headquarters in Loveland, Colorado, houses research and development laboratories, instrument manufacturing operations, and the Hach Technical Training Center. Hach has an additional facility in Ames, Iowa, for manufacturing and packaging Hach's chemical reagents and test kits.