1931. two factories were established at Pétfürdő, one for ammonium production (Hungarian Ammonia Factory)  and one for nitrogen-based chemical fertilizers (Nitrogen Fertilizer Factory of Pét. Founders: Salgó Rt, Unió Rt, Hungarian Commercial Bank, Treasury of Defence (Honvédelmi Kincstár).

The 60's: in the framework of a HUF 2.5 billion development programme, a new plant for ammonia synthesis, an acid plant, a urea plant were built, and the production of high purity argon was launched. Central and research laboratories started their operations.

1967: from lignite, serving as basic material for the production, a shift was made to natural gas and, to widen the product range, the production of dual fertilizers, containing both nitrogen and phosphor, was started.

At the end of the 80's the consequence of the collapse of socialist economy was the privatisation of Nitrogénművek.

2003: Nitrogénművek Rt. joined the European Fertilizer Manufacturers Association (EFMA). In that year, the company started to market its fertilizer products under the brand name of Genezis and it created its country-wide brand trader network.

2004: a specialist consulting network, covering the whole of the country was set up. The company started to sell the NPK products of Bige Holding Ltd. (TVM Rt., Szolnok).

2005: Nitrogénművek Zrt. begun an investment programme of several years, to the value of almost HUF 30 billion, including the production of a new acid plant, a granulation plant, a packaging plant, a neutralization plant and a dolomite mill.