OYO stands for On Your Own

Oyo is an Indian based startup. It is worth Billions today. This company is also an aggregator company like OLA. They don't own any of the hotels. 

As a tech-driven hospitality company, OYO is redefining the fragmented hospitality sector by empowering individual asset partners with its successful proposition of combining design, hospitality, technological expertise, revenue management and operational capabilities, thereby enabling them to succeed in this competitive space by consistently adding more and more customers,  with higher RevPar and yields.

References: 

https://www.oyorooms.com/officialoyoblog/2020/02/17/annual-report-card-fy-2019

https://www.ibef.org/industry/indian-tourism-and-hospitality-industry-analysis-presentation