Overgas Inc. (1991) is the biggest private gas company that search for oil and gas near the Provadia in Bulgaria and is currently managed by Sasho Dontchev.
Overgas Inc. AD is the biggest private gas company in Bulgaria. In partnership with the British-based JKX Oil & Gas and with the Bulgaria-based Balkan Explorers the company search for oil and gas near the Provadia. 1991 Its executive director is Sasho Dontchev. 
