MIDCOR: Madison Jefferson County Industrial Development - Organization devoted to promoting new business development in the county. Includes information on local infrastructure, workforce, education, business climate and market access. - http://www.midcor.com/
County Genealogy - Part of the INGenWeb project. Queries, pictures, historical records, other resources. - http://myindianahome.net/gen/jeff/
Madison and Jefferson County Indiana - Extensive resources and links, including information on local businesses and governmental bodies. - http://www.madisonindiana.org/
Jefferson County Land Title Corporation - Agency providing the local real estate industry with title reports, insurance and other services. Site features prices, online ordering, contact information. - http://www.jclt.com/
The Political Graveyard - Information on the political history, cemeteries and memorial sites in the county. - http://politicalgraveyard.com/geo/IN/JF.html
Jefferson Community Federal Credit Union - Low-cost financial institution serving the county and neighboring Kentucky. Services, rates, corporate information, how to join. - http://www.jcfcu.com/