36 Real estate leasing services; Financing of real estate development projects; Real estate site selection in the field of sites for wireless communications facilities and related equipment, systems, and infrastructures, including radio frequency (RF)-approved communications towers; Purchasing properties and easements for the development, construction and operation of communications assets; Real estate management; Real estate acquisition services in the field of real estate for leasing, acquiring, constructing, installing wireless communications facilities and related equipment, systems, and infrastructures, including radio frequency (RF)-approved communications towers; Leasing, development, construction and installation, maintenance and operation of wireless communications facilities, including rooftop leases and easements, and related equipment, systems, and infrastructures