37 Real estate development services in the field of development of assisted living facilities; real estate development services in the field of development of retirement communities; real estate development services in the field of development of independent living facilities; real estate development services in the field of development of active adult communities; real estate development services in the field of development of community centers; holding company services performed for third parties, namely, construction supervision; holding company services performed for third parties, namely, real estate development for owning, operating and management of retirement communities