Subsector 531 - Real Estate
531110
 Lessors of Residential Buildings and Dwellings
531120
 Lessors of Nonresidential Buildings (except Miniwarehouses)
531130
 Lessors of Miniwarehouses and Self Storage Units
531190
 Lessors of Other Real Estate Property
Except,  Leasing of Building Space to Federal Government by Owners 
531210
 Offices of Real Estate Agents and Brokers 
531311
 Residential Property Managers
531312
 Nonresidential Property Managers
531320
 Offices of Real Estate Appraisers
531390
 Other Activities Related to Real Estate