This means that you'll be able to search for NAICS codes directly (if that's your jam). We'll do the math; let's make better data on public procurement together.
Possible NAICS Codes
531110 – Lessors of Residential Buildings and Dwellings
721110 – Hotels (except Casino Hotels) and Motels
531311 – Residential Property Managers
531190 – Lessors of Other Real Estate Property
721120 – Casino Hotels
531120 – Lessors of Nonresidential Buildings (except Miniwarehouses)