| 26 | KHAIRAKURI BRICK FIELDS PRIVATE LIMITED - U37100WB2017PTC220738 |
| 27 | KIEVNOV SCIENCE & ENVIRONMENTAL TECHNOLOGIES CO. (INDIA) PVT.LTD - U37100WB2014PTC199924 |
| 28 | KLAVETEK GREEN BLOCKS AND TILES PRIVATE LIMITED - U37200WB2018PTC224377 |
| 29 | KRL RECYCLERS LIMITED - U37100WB2009PLC138139 |
| 30 | LNB RENEWABLE ENERGY PRIVATE LIMITED - U37100WB2012PTC188046 |
| 31 | M R S MEDICAL PRODUCTS LIMITED - U37200WB2009PLC138359 |
| 32 | MAA AMBA FORGINGS PRIVATE LIMITED - U37100WB2010PTC154321 |
| 33 | MAA TARA SOLID WASTE TECHNOLOGIES PRIVATE LIMITED - U37200WB2011PTC161859 |
| 34 | MAHABHAGA PRIVATE LIMITED - U37200WB2017PTC221604 |
| 35 | MANGLAM RECYCLING LIMITED - U37100WB2006PLC110623 |
| 36 | MEMITECH WASTE MANAGEMENT PRIVATE LIMITED - U37200WB2017PTC223987 |
| 37 | MUKTESHWAR POLYTECH PRIVATE LIMITED - U37100WB2015PTC206592 |
| 38 | NARANG UMBRELLA MANUFACTURERS PRIVATE LIMITED - U37100WB2010PTC140918 |
| 39 | NCKS WASTE MANAGEMENT PRIVATE LIMITED - U37100WB2011PTC169093 |
| 40 | NEXUS RECYCLING PRIVATE LIMITED - U37200WB2010PTC150500 |
| 41 | NILMA GREEN TECHNOLOGIES PRIVATE LIMITED - U37100WB2014PTC203309 |
| 42 | OHAIVA AGRO PRIVATE LIMITED - U37200WB2018PTC225742 |
| 43 | OPUS POLYSEL TECHNOLOGIES PRIVATE LIMITED - U37100WB2014PTC200185 |
| 44 | PASHUPATI POLYTEX PRIVATE LIMITED - U37100WB2009PTC193378 |
| 45 | PDSR BOTTLING PRIVATE LIMITED - U37100WB2013PTC190238 |
| 46 | POSH RECYCLING SCRAPS PRIVATE LIMITED - U37100WB2011PTC161800 |
| 47 | PROSPER GREENTECH PRIVATE LIMITED - U37100WB2015PTC209002 |
| 48 | PURULIA BOTTLING PRIVATE LIMITED - U37200WB2010PTC154999 |
| 49 | R & D VENTURES PRIVATE LIMITED - U37100WB2014PTC199636 |
| 50 | RAMCO METALS PRIVATE LIMITED - U37100WB2014PTC204752 |