The RMR Group, Inc. is a holding company, which engages in the provision of management services to managed equity real estate investment trusts and operators. The company is headquartered in Newton, Massachusetts and currently employs 38,000 full-time employees. The company went IPO on 2015-11-24. The firm is a holding company and operates through its subsidiary, The RMR Group LLC. Its business primarily consists of providing management services to four publicly traded equity real estate investment trusts, or REITs Diversified Healthcare Trust, including its subsidiaries DHC; Industrial Logistics Properties Trust, including its subsidiaries ILPT; Office Properties Income Trust, including its subsidiaries OPI; and Service Properties Trust, including its subsidiaries SVC. The company also provides management services to three real estate operating companies: AlerisLife Inc. (ALR), Sonesta International Hotels Corporation (Sonesta), and TravelCenters of America Inc. (TA). ALR, Sonesta and TA are collectively referred to as the Managed Operating Companies. ALR, Sonesta and TA are collectively referred to as the Managed Operating Companies.