It also markets and distributes refined petroleum products through its chain of gasoline and diesel fuel stations.

In 1998, Rompetrol was purchased by a local investor group led by Dinu Patriciu, thus increasing company capital and contributing into a substantial turnover growth.

The new group made its first major acquisition: Vega Refinery - located in Ploiești - which doubled its revenues in the first nine months after takeover.

Rompetrol committed itself to a sustained modernization process to make Petromidia a state-of-the-art facility in Eastern and Central Europe.

In 2001, Rompetrol created Rominserv S.A., Romania's first Engineering Procurement Construction & Maintenance (EPCM) company focused on the oil industry.

[5] By March 2018, KazMunayGaz's international business, KMGI, owned Petromidia (Rompetrol Rafinare), which in turn operated the biggest refinery in Romania, as well as Romanian gas stations as well as in other countries.

[6] Also in March 2018, it was reported that a deal for KazzMunayGaz to sell a majority stake in Rompetrol to CEFC, a Chinese energy company, had "fallen apart."

[6] On March 6 or 7, 2022, according to a note to investors, Rompetrol faced a "complex cyber attack," although it stated operations at the Petromidia refinery were not affected.