| Acronym | Definition |
|---|
| ITSP➣Internet Telephony Service Provider |
| ITSP➣Integrated Test Program Schedule |
| ITSP➣Information Technology Strategic Plan |
| ITSP➣Information Technology Security Policy (various locations) |
| ITSP➣Interstate Telecommunications Service Provider |
| ITSP➣Information Technology Services Program |
| ITSP➣Inter Tote System Protocol (racing) |
| ITSP➣Interregional Transportation Strategic Plan (California) |
| ITSP➣Information Technology Solution Provider |
| ITSP➣Integrated Training Systems Plan |