Cnergyico PK Limited, an energy company, engages in the oil refining, and petroleum marketing and logistics businesses in Pakistan. It operates in two segments, Oil Refinery Business and Petroleum Marketing Business. The company offers liquid fuels, including gasoline, high speed diesel, jet fuel, ultra-winterized diesel, furnace oil, and bunker fuel; gaseous fuels, such as compressed natural gas and liquefied petroleum gas; and lubricants. It also provides light and heavy naphtha, high-octane blending components, and kerosene. In addition, the company operates 415 retail outlets; two refineries with an aggregate rated capacity of 155,000 bpd; and crude oil storage tanks. It also exports its products. The company was formerly known as Byco Petroleum Pakistan Limited and changed its name to Cnergyico PK Limited in December 2021. The company was incorporated in 1995 and is headquartered in Karachi, Pakistan. Cnergyico PK Limited is a subsidiary of Cnergyico Mu Incorporated.