The owner of OKKO filling complexes network is Public Stock Company Concern Galnaftogaz. The company was established in 2001 as a result of incorporation of three companies – OJSC Ivanofrankivsknaftoprodukt, OJSC Zakarpatnaftoprodukt-Uzhgorod and OJSC Zakarpatnaftoprodukt-Khust. Main office of the company is located in L’viv.
First OKKO filling station was opened in 1999 in Stryi in Lviv region, and first big OKKO filling complex with a big shop, cafe and portal car wash began to work in 2000 in Lviv, on Zelena Str.

In 2006 first two big OKKO highway complexes were opened – in Kalynivka, near Kyiv and in Chop, in Zakarpattya. OKKO filling complex in Chop got into the book of records of Ukraine as the biggest filling station of Ukraine by the territory and number of services.

OKKO – it is comfortable complexes with car parking, big shops, where you can buy everything necessary for a journey or a picnic out of town. All OKKO stations have toilets and phone, and big highway complexes have shower rooms and a laundry. Besides, there is an Internet-corner and fax at every highway complex.

As of today OKKO filling complexes network consists of 305 modern filling complexes across Ukraine. Two river OKKO filling stations work in the network – in Kyiv and Nova Kakhovka. 125 LPG filling points and 2 CNG stations (in Ivano-Frankivsk region and AR of Crimea) are operating in OKKO network. 26 restaurants of French cuisine ‘A la minute’ and one new Italian restaurant format «Pasta mia» work in the network.