• Orkla India 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
• Osiajee Texfab Ltd
• Oswal Agro Mills Ltd
• Oswal Green Tech Ltd
• Oswal Leasing Ltd
• Oswal Overseas Ltd
• Oswal Pumps Ltd
• Oswal Spinning and Weaving Mills Ltd
• Oswal Yarns Ltd
• OTCO International Ltd
• Oval Projects Engineering Ltd
• Ovobel Foods Ltd
• Owais Metal and Mineral Processing Ltd
• Oxemberg Apparels Ltd
• Oxford Industries Ltd
• Oxygenta Pharmaceutical Ltd