On 1 May 1992, Slovnaft was reorganized as a joint-stock company, as successor to a state enterprise formed by the Czechoslovak government on 1 January 1949.

[3] Slovnaft refines 5.5 to 6 million tonnes of crude oil per annum and produces a broad range of motor fuels, fuel oils and petrochemical products.

Slovnaft operates 208 filling stations in Slovakia and offers motor fuels and a broad range of other goods, as well as additional services through this retail network.

Slovnaft's factory near Bratislava is a significant polluter of groundwater.

To protect the waters of Žitný ostrov, a hydraulic wall of wells has been built east of the Slovnaft site, the polluted water of which is constantly being cleaned.