» Boone Valley Electric Cooperative    Providing power to the community and surrounding area. Includes information about products and services, employment opportunities and online resources and programs.    http://www.boonevalleyrec.com/

» Boone Valley Implement    Farm implement dealer. Includes location, product lines, and services.    http://www.boonevalleyimpl.com/

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

» Wikipedia: Renwick, Iowa    Encyclopedia article present geography and demographics of this community in Humboldt County.    http://en.wikipedia.org/wiki/Renwick,_Iowa