| 51 | NANCO PVT LTD - U41000WB1995PTC076242 |
| 52 | NASRIN AQUA PRODUCT (OPC) PRIVATE LIMITED - U41000WB2017OPC223739 |
| 53 | NIAGRA WATER SOLUTIONS PRIVATE LIMITED - U41000WB2015PTC207638 |
| 54 | OSIRIS ENVIRON SOLUTIONS PRIVATE LIMITED - U41000WB2011PTC164457 |
| 55 | OXY AQUA PRIVATE LIMITED - U41000WB2010PTC150267 |
| 56 | PAN ASIA AFRICA WATER COMPANY PRIVATE LI MITED - U41000WB2013PTC191227 |
| 57 | PEARL FILTER PRIVATE LIMITED - U41000WB2003PTC096065 |
| 58 | POREL DASS WATER & EFFLUENT CONTROL PRIVATE LIMITED - U41000WB2009PTC133937 |
| 59 | PORT CANNING FISHERIES CUM FARMING CORPN PVT LTD - U41000WB1954PTC021939 |
| 60 | PUNAM WATER TREATMENT PRIVATE LIMITED - U41000WB2013PTC192755 |
| 61 | RANIPAIJAL MANUFACTURING PRIVATE LIMITED - U41000WB2015PTC205365 |
| 62 | REAN WATERTECH PRIVATE LIMITED - U41000WB2014PTC199591 |
| 63 | RESINDIA WATER TREATMENT PVT LTD - U41000WB1989PTC047196 |
| 64 | RISTEY WATER SOLUTION PRIVATE LIMITED - U41000WB2016PTC215757 |
| 65 | ROCKY AQUA PRIVATE LIMITED - U41000WB2017PTC222256 |
| 66 | RPS BEVERAGES PRIVATE LIMITED - U41000WB2013PTC197201 |
| 67 | SAAHI LIFE LYNK AQUA (OPC) PRIVATE LIMITED - U41000WB2017OPC223016 |
| 68 | SAB UTILITY PRIVATE LIMITED - U41000WB2017PTC222260 |
| 69 | SHARAD QUENCH PRIVATE LIMITED - U41000WB2017PTC220357 |
| 70 | SIMPLEX ECO TECH LIMITED - U41000WB2008PLC125168 |
| 71 | SIMPLEX WATER TREATMENT LIMITED - U41000WB2008PLC125167 |
| 72 | SNEHA FILTERATION PRIVATE LIMITED - U41000WB2015PTC206759 |
| 73 | SRIJAN ECOLOGICAL UPLIFTMENT - U41000WB2016NPL209888 |
| 74 | SRIJAN ECOLOGICAL UPLIFTMENT PRIVATE LIMITED - U41000WB2016PTC209888 |
| 75 | SUREKA MODERN RICE MILL PRIVATE LIMITED - U41000WB2009PTC131715 |