| pma-dc.org | Property Management Association |
| irem.org | Institute of Real Estate Management (IREM) |
| ifma.org | International Facility Management Association (IFMA) |
| ihm-canada.com | Institute of Housing Management |
| realtor.org | National Association of Realtors |
| realtor.com | Realtor.com |
| nmhc.org | National Multi Housing Council |
| ncreif.com | National Council of Real Estate Investment Fiduciaries |
| nareit.com | National Association of Real Estate Investment Trusts |
| naiop.org | National Association of Industrial and Office Properties (NAIOP) |
| marketnet.com | www.marketnet.com/ |
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