| 301 | BHARAT MACHINERY CO LTD - U29100WB1946PLC014239 |
| 302 | BHARAT PROCESS AND MECHANICAL ENGINEERS LTD - U29197WB1980GOI033052 |
| 303 | BHARAT SHEET METAL INDUSTRIES LTD - U29301WB1943PLC011383 |
| 304 | BHARAT WESTFALIA ENGINEERING LIMITED - U29248WB2012PLC198970 |
| 305 | BHARGO ENERGY SOLUTIONS PRIVATE LIMITED - U29253WB2010PTC150398 |
| 306 | BHARTIA MACHINERY PRIVATE LIMITED - U29268WB2007PTC112394 |
| 307 | BHOMIAJI SOLAR POWER PRIVATE LIMITED - U29253WB2011PTC159242 |
| 308 | BHOOT NATH MOOKERJEE & CO. (HARDWARE) PVT LTD - U29230WB1965PTC026466 |
| 309 | BHOTIKA TRADE AND SERVICES PRIVATE LIMITED - U29299WB2005PTC101610 |
| 310 | BHOUMA TOOLS PVT LTD - U29252WB1985PTC039161 |
| 311 | BHOWANIPUR ENGINEERING PRIVATE LIMITED - U29221WB2009PTC140096 |
| 312 | BHOWMICK TANNERY MACHINE MANUFACTURING CO PRIVATE LIMITED - U29199WB1998PTC088073 |
| 313 | BHUTORIA VALVE UDYOG LTD - U29120WB1972PLC031488 |
| 314 | BIG BOSS FOODS PVT LTD - U29252WB1991PTC052290 |
| 315 | BIG LIFT INDIA PVT LTD - U29150WB1980PTC033210 |
| 316 | BIGBOSS BEARING LIMITED - U29130WB2005PLC100992 |
| 317 | BIGEYE TECHNOLOGIES LIMITED - U29309WB2017PLC218944 |
| 318 | BIHAR INDUSTRIES PVT LTD - U29212WB1958PTC023778 |
| 319 | BIJAY TRACTORS SPARES PVT LTD - U29130WB1972PTC028211 |
| 320 | BILASPUR MINING INDUSTRIES PRIVATE LIMITED - U29249WB1997PTC083813 |
| 321 | BIMARK IMPEX PRIVATE LIMITED - U29261WB1998PTC087812 |
| 322 | BINAWADINI PRINTING & ALLIED WORKS PRIVATE LIMITED - U29299WB1997PTC085914 |
| 323 | BINAYAK PREMIER ENGINEERING PRIVATE LIMITED - U29253WB2014PTC199678 |
| 324 | BINODE ENGINEERING MECHANICAL WORKS PVT LTD - U29220WB1964PTC026089 |
| 325 | BIOCOCTION MANUFACTURING PRIVATE LIMITED - U29309WB2016PTC218353 |