| DTIS | Danish Tree Improvement Station 
| Others |
| DTIS | Daon Trusted Identity Services
| Others |
| DTIS | Dars Transformation Integration System
| Others |
| DTIS | Deep Towed Imaging System
| Others |
| DTIS | Defence Testing Infrastructure Scheme
| Others |
| DTIS | Defense Technical Integration Services
| Others |
| DTIS | Dehradun Tourist Information System
| Others |
| DTIS | Delhi Transport Information System
| Others |
| DTIS | Department Of Telecommunications And Information Services
| Others |
| DTIS | Department Of Telecommunications Information Services
| Others |
| DTIS | Department Training Information System
| Others |
| DTIS | Dfars Transformation Integrated System
| Others |
| DTIS | Diagnostic Trade Integration Studies
| Others |
| DTIS | Diagnostic Trade Integration Study
| Others |
| DTIS | Digital Thinking Internet Solutions
| Others |
| DTIS | Dundee Translation Interpretation Service
| Others |
| DTIS | Dyslexia Testing and Information Services
| Others |