Gulbarga Cement Limited · Heidelbergcement India Limited. · Zuari Cement Limited · U26941 Dl2007 Plc169974 · U26942 Ga2000 Plc002814 · U26942 Ka1958 Plc001318 · Bulk Cement Corporation (India) Limited · Alcon Cement Company Private Limited · Prism Johnson Limited · Aakaash Manufacturing Company Private Limited