| Abbreviation | Definition |
|---|---|
| HWF | Hex Washer Face |
| HWFLRS | Hardware Floors |
| IAARC | International Association for Automation and Robotics in Construction |
| IAPMO | International Association of Plumbing and Mechanical Officials |
| IAQA | Indoor Air Quality Association |
| IBACOS | Integrated Building And Construction Solutions |
| IBBM | Iron Body Bronze Mounted |
| IBC | Insurance Bureau of Canada |
| IBC | International Building Code |
| IBCC | International Bamboo Construction Competition |
| IBRC | Innovative Bridge Research and Construction |
| IBRD | Ibrdinternational Bank For Reconstruction And Development |
| IBRD | International Bank for Reconstruction and Development |
| IBRD | International Bank of Reconstruction and Development |
| IBRD | International Bank of Reconstruction Development |
| IBRD | Ioresinternational Bank For Reconstruction And Development |
| ICA | Industrial Construction Association |
| ICATS | Island Construction and Trucking Show |
| ICBO | International Conference of Building Officials |
| ICC | International Code Council |