Aqua Investments (India) Limited · Watercare Investments (India) Limited · Gpcl Consulting Services Limited · Ion Exchange Services Limited · Ion Exchange Environment Management Limited · Ion Foundation · Power Water Financial Services Private Limited · Ion Exchange Enviro Farms Limited · Ion Exchange Infrastructure Limited · Ion Exchange (India) Limited · Ion Exchange Projects And Engineering Limited · L01110 Mh1995 Plc091478 · L65990 Mh1994 Plc080386 · L67120 Mh1994 Plc080385 · L74130 Mh1996 Plc102719 · U24111 Ka1986 Plc007475 · U45204 Mh2005 Ptc157554 · U74999 Mh2004 Ptc014258 · Ion Exchange Purified Drinking Water Private Limited