Habib Sugar Mills Limited was incorporated as a Public Limited Company in 1962 with its Head Office in Karachi and its plant located at Nawabshah, 300 kilo-meters north east of Karachi.

The original machinery for the sugar division was supplied by M/s. B.M.A. of Germany and the process was Double Carbonation Double Sulphitation (D.C.D.S). The capacity of the plant at its inception was 1,500 tons of sugarcane crushing per day. The mill commenced its production in January, 1964 and was the second sugar mill in the province of Sindh. Present capacity / capability of the mill is 7000 tons of sugarcane crushing per day. The capacity has been enhanced by balancing, modernization and replacements (B.M.R) as well as change in manufacturing process from Double Carbonation Double Sulphitation (D.C.D.S) to Defecation Remelt Carbonation Sulphitation (D.R.C.S.) also under B.M.R. during the last three and a half decades in various stages of implementation.