West Bengal Tea Development Corporation Ltd · Greater Calcutta Gas Supply Corpn Ltd · Haldia Petrochemicals Ltd · Bengal Aerotropolis Projects Limited · Bengal Silver Spring Projects Limited · West Bengal Highway Development Corporation Limited · Biswa Bangla Marketing Corporation Limited · Kolkata Metro Rail Corporation Limited · Bhor Sagar Port Limited · West Bengal Transport Corporation Limited · West Bengal Surface Transport Corporation Ltd. · West Bengal Transport Infrastructure Development Corp. Ltd. · Bengal Urban Infrastructure Development Limited · The West Bengal Small Industries Development Corpn Limited · West Bengal Industrial Development Corpn Ltd · Ganapati Parks Ltd · Institute Of Neurosciences Kolkata · West Bengal Trade Promotion Organisation · U31103 Wb1974 Ptc029237 · West Bengal Electronics Industry Development Corpn Ltd · U74140 Wb1961 Plc025037