Mellitah Oil and Gas B.V is a prominent oil and gas company based in Libya, established in 2008 through a partnership between the National Oil Corporation of Libya and Eni North Africa. It is the largest oil producer in Libya, generating around 600,000 barrels of oil equivalent per day, which includes crude oil, natural gas, and various condensate products such as propane, butane, and naphtha.

The company operates multiple onshore and offshore oil fields, including the Abu Attifel, Wafa, Bouri, Sabratha, El Feel, and Gaza Marine Terminal. It manages an extensive pipeline network and exports processed natural gas to Italy via the Green Stream pipeline. Mellitah Oil and Gas is dedicated to high standards of health, safety, and environmental practices, reflecting its commitment to social responsibility and economic development in Libya. The company has its headquarters in Tripoli and opened a new office in Benghazi in 2024.