Bitrex: A Brand of Denatonium Benzoate, discovered in 1958 by Macfarlan Smith Ltd. Includes history, technical data, applications, and the campaign for safety.
C-Tech Corporation: Specializes in manufacturing the world's most bitter chemical, denatonium benzoate. Also manufacture several other chemicals including pigments, flame retardants, and pharmaceutical intermediates.
CnerG-Tech Corporation: Producer of denatonium benzoate and denatonium saccharide, located in India.
Nikita Transphase Adducts Pvt. Ltd.: Manufacturer of denatonium benzoate, also produces rubber additives. Located in India.
RC Pharmachem: Manufacturer of denatonium benzoate, bitterants, and aversive and pharmaceutical intermediates. Includes product applications.
Sentinel: Belgian company providing denatonium benzoate and saccharide in various forms, for use as bittering agents. Includes applications and technical data.