Hindustan Petroleum Corporation Limited (HPCL) is a Global Fortune 500 organization in the Energy segment. HPCL has two Refineries situated in Mumbai (West Coast) and Visakh (East Coast) with limits of 6.5 MMTPA and 8.3 MMTPA individually, producing an extensive variety of petroleum items, viz. LPG, MS, SKO, ATF, HSD, Bitumen and so forth and different evaluations of oils, claims to fame and oils according to BIS standard.

The Visakh Refinery is likewise a vital contributor to HPCL's Petroleum items necessities Visakha Refinery was authorized with an introduced limit of 0.65 Million Metric Tons Per Annum (MMTPA) by Caltex Oil Refining (India) Ltd. in 1957. This was one of the principal significant commercial enterprises of Visakhapatnam and first oil refinery on the East Coast. After the nationalization, HPCL has changed itself into a uber Public Sector Undertaking and it is second biggest coordinated oil organization in India. The outline of advancement of the refinery is given beneath:

The primary East Coast Oil refinery was charged as Caltex Oil Refining India Ltd. (CORIL) in 1957 with a rough handling limit of 0.65 MMTPA

The refinery was in this manner assumed control by Government of India in 1976 and converged with HPCL in 1978

The refinery's unrefined refining limit expanded to 4.5 MMTPA amid the main extension in 1985

The refinery's rough refining limit expanded to a further 7.5 MMTPA amid the second extension in 1999 and is as of now 8.3MMTPA viable April 2010

Diesel Hydro desulphurization (DHDS) venture was authorized in the year 2000 to meet BS-I/II particular of diesel. The offices were further increased in 2005 by expansion of second Reactor in DHDS unit for supplying BS-III evaluation diesel.