Congressman Boswell has enjoyed the support of many organizations in this campaign. A partial list of supporting organizations includes:
- AFL-CIO
- Airline Pilots Association
- American Bankers Association
- American Federation of Government Employees
- American Federation of State County & Municipal Employees
- American Hospital Association
- American Nurses Association
- Associated Milk Producers
- Association of American Railroads
- Association of Trial Lawyers of America
- Committee on Letter Carriers
- Dairy Farmers of America
- John Deere and Company
- Human Rights Campaign
- Independent Community Bankers of America
- Independent Insurance Agents of America
- Iowa Construction Industry
- Iowa State Education Association
- Machinists Non Partisan Political League
- National Association of Home Builders
- National Association of Social Workers
- National Committee to Preserve Social Security and Medicare
- National Council of Farmer Cooperatives
- National Farmers Union
- National Turkey Federation
- National Education Association
- National Rifle Association
- Sheet Metal Workers’ International Association
- Sierra Club
- Sugar Cane Growers
- United Auto Workers
- United Egg Association
- United food and Commercial Workers International Union
- United Steel Workers of America
- Veterans of Foreign Wars
