- Sunstate Management Company
- SunTrust Bank
- Suntrust Bank, Greater Washington
- SunTrust Mortgage
- SUNY Downstate Medical Center
- SUNY Old Westbury
- SUNY Update Medical University Department of Family Medicine
- SUNY Upstate Medical University
- Super 8 by Wyndham Rapid City Rushmore Rd
- Super 8 Espanola, NM
- Super 8 Motel, Calumet Park
- Super 8 Pagosa Springs
- Super 8 Silver City, NM
- Super 8 Truth or Consequences, NM
- Super 8, Roseville, MN
- Super Markets of Cherry Hill
- Superior Court of Arizona - Maricopa County
- Superior Court Pinal County
- Superior Court Yuma County
- Superior Design International, Inc.
- Superior Services, Inc.
- Superstition Springs Lexus
- Supervalue
- Supreme Court of the United States
- Suram Trading Corporation
- Surety Information Office
- Surgery Center, UC
- Surgical Associates
- Surgical Associates, Inc.
- Surgical Heart Transplant, Yale University of Medicine
- Surgical Specialty Hospital of Arizona
- SurModics, Inc.
- Surry Community College
- Susquehanna Health Systems
- Susquehanna Technologies
- Sussex Bank
- Sussex County Board of Supervisors
- Sutter Amador Hospital
- Sutter Auburn Faith Hospital
- Sutter Davis Hospital
- Sutter Eden Medical Center
- Sutter General Medical Center Hospital
- Sutter Health Support Services
- Sutter Medical Center Sacramento
- Sutter Memorial Hospital
- Sutter Roseville Medical Center
- Sutter Santa Rosa Medical Center
- Sutter Solano Medical Center
- Sutura
- Suwannee River Area Health Education Center