Corn Belt Power Cooperative
- Supplies electricity to member cooperatives that serve farms, rural residences, small towns, businesses and industries in 41 counties in northern Iowa. Includes list of members, business development, photographs and resource links. Headquartered in Humbol
- http://www.cbpower.coop/aspx/CBPower/

Iowa Utilities Board (IUB)
- Regulates utilities to ensure that reasonably priced, reliable, and safe utility services are available to all Iowans, supporting economic growth and opportunity. Includes board activity, industry topics and complaint form.
- http://www.state.ia.us/iub

T.I.P Rural Electric Cooperative
- Serving customers in Tama, Iowa, Poweshiek, Keokuk, Benton, Mahaska, Jefferson,Johnson, Wapello and Washington counties. Included information about programs. Headquarters in Brooklyn.
- http://www.tiprec.com/

South Slope Cooperative Communications Company
- Serving the communities of Amana, Ely, Fairfax, Newhall, North Liberty, Norway, Oxford, Solon, Shueyville, Tiffin, Watkins, Walford, Western, South Cedar Rapids, and parts of Coralville. Provides telephone, Internet, wireless cable, video conferencing and
- http://www.southslope.com/

Iowa Association of Municipal Utilities (IAMU)
- Represents more than 550 municipal electric, gas, water and telecommunication utilities statewide, and maintains a marketing relationship with more than 170 associate member businesses. Includes information about member services, list of associates and re
- http://iamu.org/

East-Central Iowa REC
- Serves approximately 7,350 member-consumers and 2,200 miles of line, in the counties of Benton, Buchanan, Fayette, Bremer, Black Hawk, Linn, Delaware, Clayton, Tama, Iowa and Johnson. Includes company profile and member information. Located in Urbana.
- http://www.ecirec.coop/

Iowa DNR Energy
- State’s core agency for creating policies and programs that decrease its reliance on imported fossil fuels. Includes a list of reports, policy issues, information about incentives and assistance, and volunteer opportunities.
- http://www.iowadnr.com/energy/

Iowa Association of Electric Cooperatives
- Des Moines-based service organization representing the state's Rural Electric Cooperatives.
- http://www.iowarec.org/