Casa Emtia Petrol Kimyevi ve Turevleri Sanayi Ticaret AS is a Turkey-based commercial enterprise primarily engaged in commodity trading, wholesale fuel supply, and the operation of retail petroleum service stations. The company operates across the energy, petrochemicals, and commodity trading sectors. Its core products and services comprise the wholesale trading and procurement of refined petroleum products; supply of international benchmark commodities, notably EN590 Eurodiesel, automotive gasoline, diesel fuel, and fuel oil; distribution of petrochemical derivatives, industrial solvents, asphalt, bitumen, and chemical additives; and the commercial operation, leasing, and management of roadside fuel service stations providing automotive fuels and retail forecourt services. In addition to its energy and commodities operations, the company retains statutory corporate capacities in agro-industrial and marine products, including fishmeal, fish oil, seafood processing, and cold storage logistics. Casa Emtia primarily serves industrial fuel consumers, commercial fleet operators, wholesale commodity markets, and retail automotive customers throughout Turkey. In recent major corporate developments, the company has initiated strategic investment programs to diversify its business portfolio through equity investments in target operating entities across complementary sectors; concluded and formally terminated preliminary acquisition discussions to acquire an equity stake in mining company Olimar Madencilik in August 2026 following due diligence reviews; advanced regulatory applications with the Capital Markets Board of Turkey (SPK) regarding planned capital restructuring and equity capital increases; reconstituted its board of directors and corporate committees; and progressed licensing and operational reactivation procedures for its retail fuel station network, including key service facilities in Umraniye, Istanbul. Founded in 1976 under its original corporate name Karsusan Karadeniz Su Urunleri Sanayi AS prior to its operational reorganization and rebranding, Casa Emtia Petrol Kimyevi ve Turevleri Sanayi Ticaret AS is headquartered in Istanbul, Turkey, and is publicly listed on Borsa Istanbul under the ticker symbol CASA.