The O&MO Alliance - Oberoi & Mandarin Oriental
Oberoi and Mandarin Oriental have created a new alliance called O&MO.
From their website:
Here, members of Oberoi Hotels & Resorts’ Oberoi One and Mandarin Oriental’s Fans of M.O. programmes will enjoy personalised recognition and exclusive benefits when staying at the alliance’s combined collection of exclusive hotels and resorts around the world.
https://www.mandarinoriental.com/omo-alliance-overview