Atlas Realty Chicago
This was a Chicago client who needed a site for their real estate company, which also dealt with integrating third party programs for MLS listings. The template and internal content system was all custom configured with a Drupal 6 installation.
Here is a bit from their home page.
Atlas Realty Group, Inc. is a family owned, full-service real estate company offering elite professional services in residential sales (buying and selling), property management, commercial/investment sales and leasing.