Active Adult Communities
   Directory of adult retirement communities in Florida, the Carolinas, Georgia, Tennessee, Colorado, Virginia, Utah and Texas.
   http://www.active-adult-communities.us

Brecht Associates, Inc.
   Consulting firm specializing in market feasibility and strategic planning for all types of senior housing. Includes services, team profile, and calendar. Based in Philadelphia, PA.
   http://www.brechtassociates.com

Cordia Senior Living
   Manager of senior living residences throughout the US that provides custom care solutions and innovative programming for independent seniors as well as those needing assisted living services.
   http://cordiaseniorliving.com

English Courtyard Developments Ltd.
   Specializing in the design, construction and management of luxury retirement housing. Includes properties, management, company profile. Based in London with locations throughout England.
   http://www.englishcourtyard.co.uk

Front Porch
   Not-for-profit senior living communities. Includes services, news, careers and foundations. Offers affordable adult housing in California, Louisiana, and Florida.
   http://www.frontporch.net

Jean Moreau and Associates
   Retirement housing consultants specializing in market feasibility and financial feasibility.
   http://www.jeanmoreau.com/

Mature Living Choices
   Free online guide to active senior communities covering more than 20 states.
   http://seniorselections.com

Paradigm Senior Living
   Professional management, marketing, and consulting firm serving the senior housing and assisted living industries.
   http://www.psliving.com

SeniorOutlook.com
   National database of senior living options, information on choosing a community, financial and estate planning.
   http://www.senioroutlook.com/

SeniorResidences.com
   Online retirement residence guide featuring communities in Canada and the US.
   http://senioresidences.com

The Senior Living Corporation
   Information on consulting services for retirement housing developers, senior adults and their families.
   http://www.seniorlivinginc.com/