| Abbreviation | Definition |
|---|---|
| CIPE | Certified In Plumbing Engineering |
| CIPG | Construction Industry Practice Group |
| CIPH | Canadian Institute of Plumbing and Heating |
| CIPP | Cast Iron Pressure Pipe |
| CIRI | Construction Industries of Rhode Island |
| CISC | Canadian Institute of Steel Construction |
| CISCA | Ceilings Interior Systems Construction Association |
| CISP | Cast Iron Soil Pipe |
| CISP | Construction Industry Service Program |
| CIT | Construction Industry Technician |
| CITC | Canadian Institute for Timber Construction |
| CITC | Construction Industry Training Council |
| CITF | Construction Industry Training Fund |
| CITF | Construction Industry Trust Fund |
| CITF | Construction Innovation and Technology Fund |
| CITN | Construction Industry Training Network |
| CIWE | Construction Industry Work Experience |
| CIWI | Construction Industry and Workforce Initiative |
| CIWI | Construction Industry Workflow Initiative |
| CIWI | Construction industry Workforce Initiative |