| Sorry...I Just Don't Feel Safe | I. David Daniels | GISHC | 2023 |
| Slips Trips and Falls. Human costs and prevention strategies | Jeff Lutz | ASD | 2020 |
| Silica. The more you know... | John Hartnett | CSD | 2020 |
| Silica ~ "It's Not Just Dust!" | Rhett Carpenter | GISHC | |
| Silent killers in construction: substance abuse and mental health | Mandi Kime | GISHC | 2020 |
| Shipyard Industry Dangers & Confined Spaces | Amy Liu | GISHC | 2022 |
| SHIP 101 | Jenifer Jellison | GISHC | 2021 |
| Shared Experiences: An open discussion on COVID-19 prevention | DOMINIQUE DAMIAN | GISHC | 2020 |
| Shaken, not stirred: Improving earthquake safety with earthquake drills, and earthquake early warning in Washington | Brian Terbush | GISHC | 2023 |
| Sexual Harassment What Supervisors Need to Know | Craig Hall | ASD | |
| Seguridad contra el humo de incendios forestales: enfoques "nuevos" para reducir un peligro "antiguo" | Nicholas Hall, CIH, CSP | ASD | 2022 |
| Save $ - Create a Return to Work plan | Peggy Halstead | GISHC | 2023 |
| Safety Trivia Game | liz evans | GISHC | 2021 |
| Safety Training Boot Camp: Learn the ABCs of Effective Safety Training | Jeff Dalto | CSD | |
| Safety Technology | Sean Martell | CSD, GISHC | 2021 |
| Safety Success through Leading Indicators | Rob Dahl | GISHC | 2023 |
| Safety Is Learning | Jeff Dalto | CSD | 2020 |
| Safety Is Learning | Jeff Dalto | GISHC | 2021 |
| Safety in Early Oil Spill Response: The Importance of HAZWOPER | Becky Crosby | MSD | 2021 |
| Safety Culture Transformation – Expressing Appreciation – It is more than saying thank you | David Stern | GISHC | |
| Safe Handling and Personal Protective Equipment Requirements of Pesticides | Wendy Sue Wheeler | GISHC | 2023 |
| Rowcrop Conveyors and Machine Guarding | Matthew Blua | ASD | |
| RISK MANAGEMENT AND THE BASIC RIGGING PLAN | Mary Beymer | GISHC | 2020 |
| Risk Assessment – Beyond Hazard Hunting | Doug Hirsch | GISHC, MSD | |
| Rigging Inspections | Mary Beymer | GISHC | 2020 |
