- Kossuth Regional Hospital
- Kraft Foods
- Kraft Heinz Davenport
- Lake Manawa Nissan, Inc
- Lakes Regional Healthcare
- Lakeside Casino Resort
- Life Line Emergency Vehicle
- Lil' Drug Store Products
- Lindquist Ford
- Lindsey, Inc.
- Linn County, Iowa
- Lloyd, Inc.
- Loring Hospital
- Lucas County Health Center
- Lujack's Northpark Auto Plaza
- Lynch Livestock
- Madison County Health Care System
- Madison County Memorial Hospital
- Mahaska Health Partnership
- Mahle Tennex North America, Inc
- Manning Regional Healthcare Center
- Manufacturers Bank and Trust Co.
- Marble Rock Fire/Rescue
- Marshalltown Area United Way
- Mary Greeley Medical Center
- Max Yield Cooperative
- Members Group
- Mercedes Benz Chezik Sayers
- Mercy Hospital
- Mercy Hospital Oelwein
- Mercy Medical Center
- Mercy Medical Center - Centerville
- Mercy Medical Center - Des Moines
- Mercy Medical Center - Dyersville
- Mercy Medical Center - New Hampton
- Mercy Medical Center - North Iowa
- Mercy Medical Center - Sioux City
- Mercy Medical Center - West Lakes
- Mercy Medicl Center - Cedar Rapids
- MercyOne Cedar Falls
- MercyOne Centerville Medical Center
- MercyOne Des Moines
- MercyOne Dubuque Medical Center
- MercyOne Elkader Medical Center
- MercyOne Medical Center North Iowa
- MercyOne Medical Center West Des Moines
- MercyOne New Hampton
- MercyOne Newton Medical Center
- MercyOne North Iowa
- MercyOne Oelwein