| housingpreservation.org | Institute for Responsible Housing Preservation |
| crs.com | Council of Residential Specialists |
| irwaonline.org | International Right of Way Association |
| iaao.org | International Association of Assessing Officers |
| caionline.org | Community Associations Institute |
| uipi.com | International Union of Property Owners (UIPI) |
| epra.com | European Real Estate Association |
| communityhousing.org.au | NSW Federation of Housing Associations |
| apartmentassociation.com | ApartmentAssociation.com |
| aaspo.org | American Association of Small Property Owners |
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