Companies

Oil India Limited (OIL) is an Indian public sector company engaged in the exploration, development and production of crude oil and natural gas, transportation of crude oil, and production of liquid petroleum gas.

OnePlus Technology (Shenzhen) Co., Ltd., doing business as OnePlus, is a Chinese consumer electronics manufacturer backed by Oppo headquartered in Shenzhen, Guangdong, China.

Online Gaming Authority of India is the regulatory body constituted in April 2026 under the Promotion and Regulation of Online Gaming Act to oversee online gaming in India.

Onyx Healthcare is a Taiwan-based medical device manufacturer specialising in medical-grade computing hardware.

Open Network for Digital Commerce (ONDC) is a state-owned technology, initiative launched by the Department for Promotion of Industry and Internal Trade (DPIIT), Government of India to foster decentralized open e-commerce model and is led by a private non-profit Section 8 company.

OpenAI is a artificial intelligence company headquartered in San Francisco, United States. Founded in 2015, led by Sam Altman.

Oppo is a private Chinese consumer electronics manufacturer and technology company headquartered in Shenzhen, Guangdong.

Oracle Corporation is an American multinational technology company headquartered in Austin, Texas.

Orient Technologies Limited is a Mumbai-based IT solutions and services company offering enterprise technology services including cloud, cybersecurity, managed services and digital infrastructure solutions to clients across BFSI and other sectors.