| ITCS | Ignition Timing Control System 
| Others |
| ITCS | Impact Tested Carbon Steel
| Others |
| ITCS | Incremental Train Control System
| Others |
| ITCS | Index of tobacco control sustainability
| Others |
| ITCS | Infant Toddler Contracted Slots
| Others |
| ITCS | Information Technician Senior Chief Petty Officer
| Others |
| ITCS | Information Technology and Communication Services
| Others |
| ITCS | Information Technology and Computing Services
| Others |
| ITCS | Information Technology Central Services
| Others |
| ITCS | Innovations in Theoretical Computer Science
| Others |
| ITCS | Institute for Theoretical Computer Science
| Others |
| ITCS | Integrated Target Control System
| Others |
| ITCS | Integrated Technology Corporate Solutions
| Others |
| ITCS | Integrated Traffic Control System
| Others |
| ITCS | Intermodal Transport Control System
| Others |
| ITCS | Internal Thermal Control System
| Others |
| ITCS | International Time Capsule Society
| Others |
| ITCS | International Trade by Commodity Statistics
| Others |
| ITCS | it and Computing Service
| Others |