Exploration and production
NIS is the only company in Serbia which deals with exploration and production of crude oil and gas, as well as with production of geothermal energy.[17] The company disposes with all necessary equipment for the performance of a whole range of complex activities such as geophysical exploration, control of production of crude oil, gas and geothermal energy. The majority of NIS oil fields are located on the territory of Serbia, in the province of Vojvodina, but upstream has business operations both in Serbia and abroad. In 2011 NIS started to expand business in south-east Europe: in Bosnia and Herzegovina, Romania and Hungary.[18][19][20]
Energy
NIS is engaged in the production of electrical and thermal energy from traditional and renewable resources, the production and sale of compressed natural gas, sale of natural gas, trade of electrical energy, development and implementation of strategically important energy projects, as well as the projects for improving energy efficiency. In terms of electric energy trade, NIS is present on the markets of Serbia, Bosnia and Herzegovina, Romania, Slovenia and Hungary, as well as North Macedonia.
Refining
The company owns and operates oil refineries in Pančevo (annual capacity of 4.8 million tons of crude oil)[21][22][23] and Novi Sad (annual capacity of 2.6 million tons of crude oil), and natural gas refinery in Elemir. NIS refining complex produces a whole range of petroleum products – from motor gasoline and diesel fuel to mechanical lube oils and feedstock for the petrochemical industry, heavy fuel oil, road and industrial bitumen, etc.
Pančevo Oil Refinery produces motor fuel in accordance with Euro 5 standard, aviation fuel, liquid petroleum gas, petrochemical products, fuel oil, bitumen and other petroleum products. In 2017, Pančevo Oil Refinery was the first Serbian energy company to obtain the IPPC certificate (integrated certificate) from the state authorities on the integrated pollution prevention and control, confirming that the production process in the Refinery is fully compliant with the highest domestic and European standards in environmental protection.
NIS also offers services of crude refining to third parties.[24]
Sales and distribution
Sales and distribution in NIS includes foreign and domestic trade, retail of petroleum and other related products, as well as the wholesale of petroleum products. NIS develops aviation fuel supply, bunkering, lubricants and bitumen sale and distribution as separate businesses. As of 2019, NIS has two retail brands on the market: NIS Petrol (mass consumption brand) and GAZPROM (premium brand).
In 2010 NIS started a program of modernization of the retail network. First re-branded gas station "Zmaj 2" with the brand NIS Petrol on the highway in Belgrade was opened 13 January 2012.[25] In November 2012, NIS acquired 100% of OMV subsidiary operations in Bosnia and Herzegovina and its network of 28 filling stations.[26]
In December 2012, NIS opened the first petrol station under the Gazprom brand in Serbia,[27] and subsequently in Romania (the same month),[28]
Services
NIS has its own service capacities which fully meet the company's needs and can render services to third parties. NIS provides services by means of subsidiary companies "NAFTAGAS-Oilfield Services", "NAFTAGAS-Technical services" and "NAFTAGAS-Transport".