Neochem AD (Bulgaria)
Neochem AD is a successor of a chemical combine in the city of Dimitrovgrad, started its production operations on 5 November 1951. Initially nitrogen and phosphatic fertilizers were produced. Later on the production capacities were expanded, reconstructed, and upgraded. In 1987 a new complex for production of ammonia, nitric acid and ammonium saltpeter was commissioned. In the period of 1992-1993 installations for production of sulfuric and phosphoric acid, phosphatic fertilizers, aniline and nitrobenzene were shut down.