Kolkata Weir Water Treatment Plants Limited · Kolkata Weir Educare Limited. · Kolkata Weir Securities Limited · Weir Hotels Inn Limited · Kolkata Weir Agro Industries Limited · Kwil Mutual Benefit (Nidhi) Limited · Suhana Safar Jal Parivahan Limited · Kolkata Weir Industries Limited · Kolkata Weir Estate Management Limited · Kolkata Weir Goatery And Hatcharies Limited. · Kolkata Weir Laboratories Limited. · Kolkata Weir Tea Estate Limited. · Tilottama Apparels Limited · Weird Industries Limited · Diamond Fisheries International Private Limited · Monterry Sales Pvt.Ltd. · Greenview Realty Private Limited