| 526 | SONA OXYGEN PRIVATE LIMITED - U40108WB2010PTC144859 |
| 527 | SONBRAT URJA LIMITED - U40102WB1985PLC139290 |
| 528 | SONIC THERMAL PRIVATE LIMITED - U40102WB2002PTC095467 |
| 529 | SOUMYA DIPTA GASES PRIVATE LIMITED - U40300WB2013PTC191060 |
| 530 | SOURADEEP POWER LIMITED - U40102WB2011PLC164389 |
| 531 | SOURAV GAS (CNG) PRIVATE LIMITED - U40300WB2012PTC187551 |
| 532 | SOURAYAN INNOVATIONS PRIVATE LIMITED - U40300WB2017PTC223158 |
| 533 | SOUTHERN ROAD CARRIERS LIMITED - U40106WB1973PLC081945 |
| 534 | SPECTRA SOLAR POWER PRIVATE LIMITED - U40108WB2010PTC151143 |
| 535 | SPINCOR GREEN ENERGY LIMITED - U40103WB2010PLC142315 |
| 536 | SPS SYNERGY SOLAR PRIVATE LIMITED - U40300WB2010PTC150517 |
| 537 | SREE GOPIKISHAN SOLAR POWER PRIVATE LIMITED - U40300WB2015PTC207247 |
| 538 | SRG POWER TRANSMISSION PRIVATE LIMITED - U40300WB2013PTC191702 |
| 539 | SRIDHAR ENERGY PRIVATE LIMITED - U40101WB2007PTC114482 |
| 540 | SS INTERNATIONAL ENERGY PRIVATE LIMITED - U40102WB2008PTC129897 |
| 541 | STAR HYDRO POWER LIMITED - U40101WB2003PLC096699 |
| 542 | STAR MOURYA POWER & MINERALS PRIVATE LIMITED - U40104WB2008PTC129325 |
| 543 | STAR SOLAR POWER PRIVATE LIMITED - U40300WB2010PTC149929 |
| 544 | STARK POWER GENERATION AND EQUIPMENTS PRIVATE LIMITED - U40300WB2015PTC208820 |
| 545 | STEAM PORTFOLIO MANAGEMENT LIMITED - U40101WB1996PLC078191 |
| 546 | STESALIT SOLUTE ENERGY PRIVATE LIMITED - U40105WB2014PTC199467 |
| 547 | SUBHAM POWER PRODUCTS PRIVATE LIMITED - U40105WB2003PTC096262 |
| 548 | SUBHASH URJA PRIVATE LIMITED - U40300WB2015PTC206181 |
| 549 | SUMAN GAS PVT. LTD. - U40200WB1995PTC072543 |
| 550 | SUN GAS & CYLINDER MANUFACTURING COMPANY LTD. - U40200WB1994PLC061430 |