OAA to Cease Operations, Members to Conduct Activities Through ORHMA Posted by Ginny Henry | July 25, 2013 | annual, BruceGreySimcoe, Hotel and Motel Association, meeting', merge, newsletter, OAA, Ontario Accommodation Association, Ontario Restaurant, ORHMA, RTO7, TIAO In a unanimous vote, members of the Ontario Accommodation Association (OAA) voted to cease operations after 64 years in existence. READ MORE