CIRREX Commercial Lease Exchange (Commercial properties for lease or sale in the Madison and South Central Wisconsin area)
Sales Data Service (Commercial Sales and Lease Data for Milwaukee and western suburbs mainly, but are expanding)
Marshall & Swift (National Cost Estimating Services)
Appraisal Institute (National Organization for Real Estate Appraisers, MAI and SRA designations)
National Association of Realtors (Natonal brokers and salesperson organization, RAA and GAA designations)
Wisconsin Realtor Association (State organization for realtors, affiliated with NAR)
FSBO Madison.com (Local
For Sale By Owner Site)