| Acronym | Definition |
|---|
| S4S➣Surfaced Four Sides (lumber) |
| S4S➣Schools For Schools (humanitarian organization) |
| S4S➣Soles4Souls (Nashville, TN) |
| S4S➣Subscribe for Subscribe (YouTube) |
| S4S➣Skins 4 Skins (Hungary) |
| S4S➣Sister for Sister (Charlotte, NC) |
| S4S➣SpiCE for Space |
| S4S➣Sourcing 4 Success (various locations) |
| S4S➣Students 4 Students (National Leadership Conference, University of Wollongong, NSW, Australia) |
| S4S➣Strategies for Sustainability (Delta, BC, Canada) |
| S4S➣Support 4 Support |
| S4S➣Students for Sustainability |
| S4S➣Sign for Sign |
| S4S➣Soul 4 Sale (band) |
| S4S➣Students 4 Sustainability (Delft University of Technology) |
| S4S➣Services for Sustainability (website) |
| S4S➣Solutions 4 Stone (cleaning products) |
| S4S➣Systas 4 Systas, Inc. (New Jersey) |