| TOS | Atari S T Self-extracting file archive file 
| Others |
| TOS | Star Trek "The Original Series"
| Others |
| TOS | Star Trek, The Original Series
| Others |
| TOS | Tab Out Soon
| Others |
| TOS | Tactical Operations System
| Others |
| TOS | Tagalog On Site
| Others |
| TOS | Taken On Strength
| Others |
| TOS | Taken Out and Shot
| Others |
| TOS | Taken out of Service
| Others |
| TOS | Talend Open Studio
| Others |
| TOS | Tales Of Symphonia
| Others |
| TOS | Taligent Object Services
| Others |
| TOS | Tape On Substrate
| Others |
| TOS | Tape Operating System
| Others |
| TOS | Teacher Over Shoulder
| Others |
| TOS | Team Omega Squadron
| Others |
| TOS | Technical and Occupational Sciences
| Others |
| TOS | Technical and Office Systems
| Others |
| TOS | Technology and Occupational Sciences
| Others |
| TOS | Temporarily Out of Service
| Others |
| TOS | Temporarily Out of Stock
| Others |
| TOS | Temporary Out of Service
| Others |
| TOS | Tennessee Ornithological Society
| Others |
| TOS | Teraflop Operating System
| Others |
| TOS | Terminal Operating Systems
| Others |
| TOS | Terminate On Save
| Others |
| TOS | Terms of
| Others |
| TOS | Terms Of Service
| Others |
| TOS | Test Operating System
| Others |
| TOS | Testing Operation System
| Others |
| TOS | Texas Ornithological Society
| Others |
| TOS | The Obesity Society
| Others |
| TOS | The Oceanography Society
| Others |
| TOS | The Old Startrek
| Others |
| TOS | The Operating System
| Others |
| TOS | The Original Series
| Others |
| TOS | The Other Service
| Others |
| TOS | The Other Side
| Others |
| TOS | The Other Spammers
| Others |
| TOS | The Outdoor School
| Others |
| TOS | Theosophical Order of Service
| Others |
| TOS | Thirty Obscure Schmucks
| Others |
| TOS | Thoracic outlet syndrome
| Others |
| TOS | Thunder Of Slidell
| Others |
| TOS | Time Of Sale
| Others |
| TOS | Time Of Service
| Others |
| TOS | Time On Site
| Others |
| TOS | Time On Station
| Others |
| TOS | Tiny Operating System
| Others |
| TOS | Tip Over Special
| Others |
| TOS | TIROS (Television Infra-Red Observation Satellite) Operational System
| Others |
| TOS | ToasterOS (Operating System)
| Others |
| TOS | Tolga Os Sparebank
| Others |
| TOS | Top Of Stack
| Others |
| TOS | Top Of Steel
| Others |
| TOS | Top Of Sugarloaf
| Others |
| TOS | Top Of the Stack
| Others |
| TOS | Torque Only Sensor
| Others |
| TOS | Tossing Of Salad
| Others |
| TOS | Total Operating Spend
| Others |
| TOS | Tourism Organisation of Serbia
| Others |
| TOS | Tower of Saviors
| Others |
| TOS | Town Of Southampton
| Others |
| TOS | Towncar Signature
| Others |
| TOS | Traffic Officer Service
| Others |
| TOS | Training Objective Statement
| Others |
| TOS | Tramiel Operating System
| Others |
| TOS | Transactions on Storage
| Others |
| TOS | Transfer Orbit Stage
| Others |
| TOS | Transition Operational State
| Others |
| TOS | Transmission Output Speed
| Others |
| TOS | Tread over Sidewall
| Others |
| TOS | Tree Of Savior
| Others |
| TOS | Tromso, Norway
| Others |
| TOS | Trusted Operating System
| Others |
| TOS | Turkiye Offroad Sampiyonasi
| Others |
| TOS | Type Of Service
| Others |
| TOS | Type Of Shipment
| Others |