- Sud-Chemie Performance Packaging
- Sugar Land Marriott Town Square and Conference Center, TX
- Sugar Land Rotary
- Sugarloaf Lodging
- Sullivan County Memorial Hospital
- Summa Akron City Hospital
- Summa Health System
- Summerlin Hospital Medical Center
- Summers County ARH Hospital
- Summersville Regional Medical Center
- Summit County
- Summit County Council
- Summit County, Ohio
- Summit Electric Supply
- Summit Healthcare Regional Medical Center
- Summit Services
- Summit Square
- Summit Technology Academy
- Sumner on Merriman
- Sumner Regional Medical Center
- Sumter Co Chamber of Commerce
- Sun Builders Co.
- Sun Country Industries
- Sun Health
- Sun Health Care Center
- Sun Valley Fruit Co., Inc.
- Sun Valley Resort
- Suncoast Schools Federal Credit Union
- Sundance
- Sundance Lodging Incorporated
- Sundance Mechanical and Utility Corp.
- Sundial Beach Resort, Sanibel Island
- Sundial Lodge at the Canyons, Park City
- Sundt Senior Living
- Sungard
- Sungard Pentamation Inc.
- Sunnyside
- Sunnyside Unified School District
- Sunnyside Village-Nursing Home
- Sunrise Assisted Living
- Sunrise Community Health Center
- Sunrise Hospital and Medical Center - Sunrise Children's Hospital
- Sunrise Medical
- Sunrise Rotary Jeremy Ranch)
- Sunrise Senior Living
- Sunrise Suites Resort, Key West
- Sunriver Resort
- Sunset Ridge Elementary
- Sunshine Sachs Consultants
- Sunshine Structures, Inc.