| ITOS | Improved TIROS Operational Satellite 
| Others |
| ITOS | Information Technology Operations Service
| Others |
| ITOS | Information Technology Outreach Services
| Others |
| ITOS | Integrated Tele Ophthalmologic System
| Others |
| ITOS | Integrated Test and Operations System
| Others |
| ITOS | Integrative Training in Oncogenic Signaling
| Others |
| ITOS | International Taxation and Offshore Services, LTD.
| Others |
| ITOS | International Terrorism Operations Section
| Others |
| ITOS | International Tug of Opportunity System
| Others |
| ITOS | International Turned Objects Show
| Others |
| ITOS | Its The Oncogene Signature
| Others |
| ITOS | The International Tug Of Opportunity System
| Others |