| 601 | OKEY ENGINEERING PRIVATE LIMITED - U29200HR2012PTC045174 |
| 602 | OLYMPIC ENGINEERS PRIVATE LIMITED - U29299HR2011PTC043711 |
| 603 | OM SAI WATER SYSTEM PRIVATE LIMITED - U29253HR2014PTC054143 |
| 604 | OPTICAL SECURITY SYSTEM INDIA LTD - U29150HR1996PLC033024 |
| 605 | ORCAN ENGINEERING PRODUCTS PVT LTD - U29211HR1988PTC030351 |
| 606 | ORGANIZED EQUIPMENTS PRIVATE LIMITED - U29254HR2011PTC043035 |
| 607 | ORIENTAL IMPULSE ENGINEERING PRIVATE LIMITED - U29253HR2010PTC041661 |
| 608 | ORIN TECHNOLOGIES PRIVATE LIMITED - U29100HR2013PTC049017 |
| 609 | OSAW AGRO INDUSTEIES PRIVATE LIMITED - U29211HR2002PTC034843 |
| 610 | OSAW INDUSTRIAL PRODUCTS PRIVATE LIMITED - U29100HR1992PTC031570 |
| 611 | OSG (INDIA) PRIVATE LIMITED - U29199HR2005PTC054781 |
| 612 | OSM PROJECTS PRIVATE LIMITED - U29150HR2004PTC035467 |
| 613 | OTC DAIHEN INDIA PRIVATE LIMITED - U29190HR2011FTC043292 |
| 614 | OVERFLY MULTITRADE PRIVATE LIMITED - U29309HR2017PTC071051 |
| 615 | P DASS FORGING PRIVATE LIMITED - U29199HR1996PTC033203 |
| 616 | P. R. FASTENERS PRIVATE LIMITED - U29220HR2008PTC038236 |
| 617 | P.G. COLLETS AND ACCESSORIES PVT LTD - U29223HR1988PTC030203 |
| 618 | P.R. BALER & AGRO PRIVATE LIMITED - U29308HR2016PTC066330 |
| 619 | P.V. ENGINEERING ASSOCIATES PRIVATE LIMITED - U29300HR2016PTC064575 |
| 620 | PAC MACHINE TOOLS PRIVATE LIMITED - U29253HR2015PTC054706 |
| 621 | PACIFIC BLUET ENGINEERING AND INFRASTRUCTURE PRIVATE LIMITED - U29253HR2006PTC036383 |
| 622 | PACIFIC ENVIROSYSTEMS AND CONTROLS PRIVATE LIMITED - U29197HR1998PTC039299 |
| 623 | PAI KANE POWER PRIVATE LIMITED - U29253HR2009PTC039276 |
| 624 | PALIHA MACHINERY PRIVATE LIMITED - U29253HR2011PTC043575 |
| 625 | PAM'S NOBLE VENTURES PRIVATE LIMITED - U29309HR2017PTC071011 |