- Stone County
- Stone Soup Group
- Stonebridge Inn, Snowmass
- Stonehill Franciscan Services
- StoneSprings Hospital Center
- Stony Brook Eastern Long Island Hospital
- Stony Brook Southampton Hospital
- Stony Brook University
- Stony Brook University Hospital
- Stop Child Abuse Now of Northern VA
- Stop Tech
- StorageOne
- Storey County Fire Protection District
- Stormont Vail Health
- Story County Hospital
- Stowaway Grand Hotel
- Stowflake Resort and Conference Center
- STR Software Company
- Straight-A-Express, Inc.
- Strang-Hatcher Corp. T-A Ben Franklin Crafts
- Strange's Florist, Inc.
- Strategic Advisory Group
- Strategic Management Systems, Inc.
- Strategy Plus Consulting, Inc.
- Stratford Staybridge Suites, CT
- Stratton Publishing and Marketing Inc
- Straub Clinic and Hospital
- Streampipe
- Streator Area United Way, Inc.
- Strike Bethesda
- Stringfellow Memorial Hospital
- Stroger Hospital
- Strom's Career Apparel
- Stroud Regional Medical Center
- Structures Unlimited, Inc.
- Student Organ Donation Advocates, Marquette University Chapter
- Student Organ Donatoin Advocates - Marquette University
- Students for Organ Donation
- Studio I
- Studio Raw
- Sturdy Memorial Hospital
- STYLE Weekly
- Subaru of America
- Suburban Community Hospital
- Suburban Ford
- Suburban Hospital
- Suburban Motors
- Success Bank
- Successful Meetings
- Successmtgs