Twin Oaks Co.
- Offers tonneau covers, caps and truck bed accessories, and used autos. Includes online order information and retail store hours.
- http://www.nvo.com/truckjewelry

Wagler Motor Company Inc
- New and used vehicle dealer. Includes information on new models, used vehicle warranties, location, hours of operation and events.
- http://waglermotor.dealerconnection.com/?lang=en

Dumont Museum
- Features collection of restored Oliver tractors, buggies, gas engines, toys, Roy Rogers memorabilia and a gift shop. Includes hours, admission, photographs and location map.
- http://www.dumontmuseum.com/

Keokuk County State Bank
- Provides information about loans, checking accounts, senior program, and online banking. Locations in Sigourney and Williamsburg, with link to ATM locations.
- http://bankkcsb.com/

Sigourney Community School District
- Home of the Savages serves students in grades K-12. Includes activities calendar, school board minutes, menus, sports schedules, standards and benchmarks, handbooks and links to the buildings.
- http://www.sigourney.k12.ia.us/

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

Sigourney, Iowa
- Provides an overview of this small town in southeast Iowa and covers tourism, recreation, education, churches, health care, housing, organizations, history and business directory.
- http://www.sigourney.com/

Wikipedia: Sigourney, Iowa
- Encyclopedia article covers geography, demographics and history of this city in Keokuk County.
- http://en.wikipedia.org/wiki/Sigourney,_Iowa