Murphy Tower
- Specializes in the construction of wireless telecommunications sites. Includes company history, service descriptions, photo gallery, and lease information.
- http://www.murphytower.com/

Pirtle’s Auction Services
- Full-service company conducting estate sales, real estate, farm and business liquidation. Includes calendar with description of items and photographs.
- http://www.pirtleauctions.com/

Community United Presbyterian Church
- Presents mission, ministries, photographs, church history, service times and newsletter.
- http://www.hartfordupc.org/

Hartford Middle School
- Part of the Carlisle Community School District. Features the curriculum, news, lunch menu, staff list, student handbook, events and quarterly newsletters.
- http://www.carlisle.k12.ia.us/carlisle_middle_school.php?keyPage=31

City-Data.com: Hartford, Iowa
- Profiles housing, population demographics, jobs, weather and climate tables. Contains a list of area hospitals, schools, airports, radio and TV broadcast stations, charts and maps.
- http://www.city-data.com/city/Hartford-Iowa.html

Wikipedia: Hartford, Iowa
- Encyclopedia article features geography and demographics of this city in Warren County.
- http://en.wikipedia.org/wiki/Hartford,_Iowa

Images by Lynda Richards
- Offering photography for senior, family and children's portraits and weddings, and restoration work. Includes a biography, testimonials, a feedback form and directions to the studio.
- http://www.imagesbylyndarichards.com/