Biecco Lawrie
Biecco Lawrie Limited (BLL) is a Public Sector Undertaking under ministry of Petroleum & Natural Gas (PSU) of the Government of India and was established in 1919 as British India Electric Construction Company Limited. BLL manufactures medium-voltage switchgears and have separate turnkey project and Electrical Repair division and is headquartered in Kolkata, West Bengal.
As of fiscal 2007, the company incurred aggregated revenue of 
525 million (US$8.3 million).[1]