• Oasis Nutraceuticals Ltd
• Oasis Securities Ltd
• Oasis Tradelink Ltd
• Oberoi Realty Ltd
• Objectone Information Systems Ltd
• OBSC Perfection Ltd
• OCCL Ltd
• Oceanaa Biotek industries Ltd
• Ocean Agro Industries Ltd
• Oceanic Foods Ltd
• Ocean Infrastructure Ltd
• OCL Iron & Steel Ltd
• Octal Credit Capital Ltd
• Octavius Plantations Ltd
• Octaware Technologies Ltd
• Odyssey Corporation Ltd
• Odyssey Technologies Ltd
• Oil Country Tubular Ltd
• Oil India Ltd
• Oil & Natural Gas Corpn Ltd
• OK Play India Ltd
• Ola Electric Mobility Ltd
• Olatech Solutions Ltd
• Olectra Greentech Ltd
• Olympia Capitals Ltd
• Olympia Industries Ltd
• Olympic Cards Ltd
• Olympic Management & Financial Services Ltd
• Olympic Oil Industries Ltd
• Omansh Enterprises Ltd
• Omax Autos Ltd
• Omaxe Ltd
• Omega Ag Seeds (Punjab) Ltd
• Omega Interactive Technologies Ltd
• Omega Laboratories Ltd
• Omfurn India Ltd
• Om Infra Ltd
• Omkar Overseas Ltd
• Omkar Pharmachem Ltd
• Omkar Speciality Chemicals Ltd
• Omni Axs Software Ltd
• Omnipotent Industries Ltd
• Omnitech Infosolutions Ltd
• Omnitex Industries (India) Ltd
• On Door Concepts Ltd
• One 97 Communications Ltd
• OneClick Logistics India Ltd
• One Global Service Provider Ltd
• Onelife Capital Advisors Ltd
• One Point One Solutions Ltd
• Onesource Ideas Venture Ltd
• Onida Finance Ltd
• OnMobile Global Ltd
• Ontic Finserve Ltd
• Ontrack Systems Ltd
• Onward Technologies Ltd
• Opal Luxury Time Products Ltd
• O.P Chains Ltd
• Optiemus Infracom Ltd
• Optimus Finance Ltd
• Opto Circuits (India) Ltd
• Oracle Financial Services Software Ltd
• Orbit Corporation Ltd
• Orbit Exports Ltd
• Orchasp Ltd
• Orchid Pharma Ltd
• Organic Coatings Ltd
• Organic Recycling Systems Ltd
• Organon (India) Ltd
• Oriana Power Ltd
• Oricon Enterprises Ltd
• Oriental Aromatics Ltd
• Oriental Carbon & Chemicals Ltd
• Oriental Hotels Ltd
• Oriental Infra Trust
• Oriental Rail Infrastructure Ltd
• Oriental Trimex Ltd
• Orient Bell Ltd
• Orient Beverages Ltd
• Orient Cement Ltd
• Orient Ceratech Ltd
• Orient Electric Ltd
• Orient Green Power Company Ltd
• Orient Paper & Industries Ltd
• Orient Press Ltd
• Orient Technologies Ltd
• Orient Tradelink Ltd
• Origin Agrostar Ltd
• Oriqua Ltd
• Orissa Bengal Carrier Ltd
• Orissa Minerals Development Company Ltd
• Orissa Sponge Iron & Steel Ltd
• Orosil Smiths India Ltd
• Ortel Communications Ltd
• Ortin Global Ltd
• Oscar Global Ltd
• Oscar Investments Ltd
• Oseaspre Consultants Ltd
• OSEL Devices Ltd
• Osia Hyper Retail Ltd