| Rank | Abbreviation | Meaning |
|---|
| ***** | TOSC | Test and Operations Support Contract
| |
| **** | TOSC | total oxidant scavenging capacity
| |
| **** | TOSC | Tales of the Sword Coast
| |
| **** | TOSC | Tallahassee Outpatient Surgery Center
| |
| **** | TOSC | Trails and Open Space Coalition
| |
| *** | TOSC | Technical and Operational Support Committee
| |
| *** | TOSC | Total Oxyradical Scavenging Capacity
| |
| *** | TOSC | Tinker Officers' Spouses' Club
| |
| *** | TOSC | The Ordinary Service Crew
| |
| *** | TOSC | The Optical Science Corporation
| |
| ** | TOSC | Tactical Operations Support Center
| |
| ** | TOSC | The Ontario Science Centre
| |
| ** | TOSC | The Open Screen Capture
| |
| ** | TOSC | Tactical Operations System Corps
| |
| ** | TOSC | The Optical Sciences Company
| |
| ** | TOSC | The Oil & Services Conference
| |
| ** | TOSC | Thurston Olympians Swim Club
| |
| ** | TOSC | Tallahassee Outpatient Surgical Center
| |
| ** | TOSC | The Online Soccer Crew
| |
| * | TOSC | Technical Outreach Service to Communities
| |
| * | TOSC | Tournament of State Champions
| |
| * | TOSC | The Original Skateboard Catalogue
| |
| * | TOSC | Technical Oilfield Supplies Centre
| |
| * | TOSC | The Other Software Company
| |
| * | TOSC | Technical Outreach Support Centers
| |