| 301 | KOTA ELECTRICITY DISTRIBUTION LIMITED - U40100WB2012PLC181283 |
| 302 | KRIPAMAY ELECTRICAL PRIVATE LIMITED - U40300WB2012PTC187555 |
| 303 | KRL - SIL GREEN ENERGY PRIVATE LIMITED - U40108WB2010PTC141373 |
| 304 | KRYPTON ELECTRICAL SUPPLIERS PRIVATE LIMITED - U40100WB2009PTC136597 |
| 305 | KUJUR GREEN POWER SOLUTIONS PRIVATE LIMITED - U40300WB2014PTC201098 |
| 306 | KVA PROCESS TRANSFORMERS PRIVATE LIMITED - U40102WB2007PTC114451 |
| 307 | LE CALORIC LIMITED - U40101WB1997PLC084314 |
| 308 | LEVCON POLLUTION CONTROL PVT LTD - U40200WB1986PTC041052 |
| 309 | LIFEGEN GASES PRIVATE LIMITED - U40109WB2011PTC169017 |
| 310 | LINDE INDIA LIMITED - L40200WB1935PLC008184 |
| 311 | LNB SOLAR ENERGY PRIVATE LIMITED - U40300WB2012PTC188041 |
| 312 | LNB WIND ENERGY PRIVATE LIMITED - U40300WB2012PTC188232 |
| 313 | LUMINO POWER INFRASTRUCTURE LIMITED - U40105WB2010PLC151600 |
| 314 | LUXMI INDUSTRIAL GASES PVT. LTD. - U40200WB1992PTC056214 |
| 315 | LUXON TECHNOLOGIES PVT LTD - U40106WB1995PTC072365 |
| 316 | M B BROS METAL FINISHERS PVT LTD - U40106WB1996PTC079613 |
| 317 | M. A. ELECTRONICS PRIVATE LIMITED - U40101WB2007PTC121034 |
| 318 | MAA JAGDAMBA OXYTECH PRIVATE LIMITED - U40300WB2013PTC193818 |
| 319 | MAA VAISHNAVI ACETYLENE GAS PRIVATE LIMITED - U40102WB2012PTC184887 |
| 320 | MAA VAISHNAVI OXYGEN PRIVATE LIMITED - U40100WB2010PTC151786 |
| 321 | MAHAVIR ELECTROMECH PRIVATE LIMITED - U40108WB2007PTC119290 |
| 322 | MAHESHWARY VIDYUT LIMITED - U40300WB2009PLC140059 |
| 323 | MAM ELECTRICALS PVT.LTD. - U40105WB1995PTC075084 |
| 324 | MANDAL GAS INDUSTRIES PRIVATE LIMITED - U40300WB2013PTC193608 |
| 325 | MANIKARAN POWER SYSTEMS LIMITED - U40109WB2010PLC151149 |