Odisha Hydro Power Corporation Limited and CSR

Oil India Limited and Sustainability

ONGC and Sustainability

Oakwood Developers Private Limited
Oasis Shipping Private Limited

O B Infrastructure Limited
Obara India Private Limited
Oberoi Hotels Pvt.Ltd.

Ocean Ceramics Private Limited
Ocean Diving Centre Limited
Ocean Interiors Limited
Ocean Park Resients Association
Oceanic Pharmachem Private Limited
OCL India Limited
Ocwen Financial Solutions Private Limited

Odisha Power Generation Corporation Limited
Odisha State Beverages Corporation Limited
Odisha Television Limited.

OERC Academy

Offshore Infrastructures Limited

OHM Stock Broker Private Limited

Oil And Natural Gas Corporation Limited
Oilmax Energy Private Limited

Olive Builders And Developers Private Limited

Om Logistics Limited
Om Metals Infraprojects Limited
Om Oil And Flour Mills Limited
Om Sai Intex Private Limited
Omega Healthcare Management Services Private Limit
Omega Industries Pvt Ltd
Omniactive Health Technologies Limited
Omnicom Media Group India Private Limited
Omnie Solutions (India ) Private Limited
Omori India Private Limited
Omsairam Steels And Alloys Private Limited

One 97 Communications Limited
Oneworld Corporation Private Limited
Ongc Videsh Limited
Onshore Construction Company Private Limited
Onward Technologies Limited

OPC Asset Solutions Private Limited
Opera Solutions India Private Limited
OPG Securities Private Limited
Optic Electronic (India) Private Limited
Optiemus Infracom Limited
Optimystix Entertainment India Private Limited
Opto Circuits (India) Limited

Oracle Financial Services Software Limited
Oracle India Private Limited
Orange Business Services India Solutions Private L
Orange Business Services India Technology Private
Orbinox India Private Limited
Orbitech Limited
Oricon Enterprises Limited
Orient Cement Limited
Orient Paper And Industries Ltd.
Original Innovative Logistics (India) Private Limi
Orix Auto Infrastructure Services Limited
Ornet Intermediates Limited
Orra Fine Jewellery Private Limited

Oscar Investments Limited
Oswal Agro Mills Limited
Oswal Exim Trade Limited
Oswal Greentech Limited
Oswal Industries Limited
Oswal Knitting And Spinning Industries Limited
Oswal Spinning And Weaving Mills Ltd
Oswal Woollen Mills Ltd

OTIS Elevator Co (India)Ltd

Overseas Polymers Private Limited

Owens Corning Industries (India) Private Limited
Owens-Coring(India) Private Limited

Oxemberg Clothing Private Limited