- Keystone Symposia
- Kiamichi Family Medical Center Inc.
- Kidney Foundation of Western New York
- Kidney Urology Foundation of America, Inc.
- Kids Video Connection, Inc. (KVC)
- Kika Medical
- Kikkoman Foods, Inc.
- Killington Grand Conference Resort Hotel
- Killington Village
- Kimberly-Clark Corporation
- Kimberly-Clark Corporation
- Kimberly-Clark Corporation
- Kimpton Muse Hotel
- Kin On
- Kinder Morgan Energy Partners LP
- Kindred Hospital
- Kindred Hospital
- Kindred Hospital - Fort Worth
- Kindred Hospital - Rancho
- Kindred Hospital - Riverside
- Kindred Hospital - San Gabriel Valley
- Kindred Hospital - South Bay
- Kindred Hospital - Tarrant County Arlington)
- Kindred Hospital - Westminster
- Kindred Hospital Baldwin Park
- Kindred Hospital Las Vegas - Sahara Campus
- Kindred Hospital Melbourne
- Kindred Hospital Melbourne
- Kindred Hospital Richmond
- Kindred Hospitals of Las Vegas
- Kindred Pharmacy Services
- King and Prince Beach and Golf Resort
- King and Prince Seafood Corporation
- King Stringfellow Group LLC
- King's Creek Plantation, LLC
- King's Daughters Medical Center
- King's Daughters Medical Center
- King's Daughters' Health
- Kingman Regional Medical Center
- Kings Family Restaurants
- Kings Mountain Hospital
- Kingsbrook Jewish Medical Center
- Kingsburg Healing Center
- Kingsport Chamber of Commerce
- Kingston Plantation
- Kingwood Resort
- Kinker Press Incorporated
- Kiowa County Memorial Hospital
- Kirby Corporation
- Kirby Lithographic Company, Inc.