Corporate Support: Current Underwriters
- 3M Company
- AARP
- Associated General Contractors of Iowa (AGC)
- Alliant Energy
- Allied Insurance
- American Professional Quilting Systems
- Apple Tree Children's Centers
- August Home Publishing
- Best Western Longbranch Hotel & Restaurant
- Blank Children's Hospital
- Campbell's Nutrition
- Cattlemen's Beef Quarters
- ColorFX
- Crafts Media
- Creative Sewing Centers
- Deerfield Retirement Community
- EMC Insurance Companies
- ENT Clinic of Iowa
- Falb Family Foundation
- Farmers Insurance Group
- Farmers Mutual Hail Insurance Company of Iowa
- Gateway Hotel & Conference Center
- Genesis Health System
- Gorilla Glue
- Grinnell Mutual Reinsurance Company
- Heart of America - Comfort Suites & Wildwood Lodge
- Hopkins Sporting Goods
- Hotel Fort Des Moines
- Hoyt Sherman Place
- Humanities of Ioa
- Hy-Vee
- Interactive Medical Development
- Iowa Bankers Association
- Iowa Farm Bureau Federation
- Iowa Health Systems
- Iowa Hospital Association
- Iowa Lottery
- Iowa Parks Foundation
- Iowa Retail Foundation
- Iowa Space Grant Consortium
- Iowa State Center
- Iowa State Extension Service
- Iowa Wrestling Coaches & Officials Association
- John Ruan Foundation Trust
- Jordan Creek Town Center
- Kawaler Family Charitable Foundation
- Kreg Tool Company
- Law Offices of Critelli and Hubbard
- Leave a Legacy
- Medicap Pharmacy
- Metro Sales & Service
- MidAmerican Energy
- Moda
- Monsanto
- Musco Lighting
- Old Masters
- Omnigrid
- Pella Corporation
- Peck's Flower and Garden Shop
- Pioneer Hi-Bred International
- Pleasant Valley Garden Center
- PMX Industries
- Principal Financial Group
- Quilters Cupboard
- Renaissance Savery Hotel
- Rockfeller Foundation
- Rockler Woodworking & Hardware
- Rockwell Collins
- Roy J Carver Charitable Trust
- Sahai Family
- Samuel & Mary Thatcher Foundation
- Sulky of America
- Sunflower Wrestling
- The Iowa Soybean Association
- The Masters Group
- The Quilt Block
- The Templeton Foundation
- Towne Square Quilt Shoppe
- United Fire & Casualty Company
- United Warehouse
- University of Iowa Hospitals & Clinics
- Vermeer Charitable Foundation, Inc.
- Wallace Genetics Foundation
- Walter Meier Manufacturing Americas
- Wells Fargo Financial Leasing
- Woodard Hearing Centers
- Woodsmith Store