| Abbreviation | Definition |
|---|---|
| KLJS | Key Loc Joint System |
| KS | Kerb Stone |
| KS | Kum Shing |
| KSC | Knowledge Sharing and Construction |
| KSCC | Kerala State Construction Corporation |
| KUC | Kids Under Construction |
| KWC | Kurt Wimberg Construction |
| LA | Left Abutment |
| LADC | Library of Architecture Design and Construction |
| LARS | Launch and Recovery System |
| LARS | Ligament Augmentation Reconstruction System |
| LAV | Lavatory |
| LBFM | Little Brown Framing Machine |
| LC | Level Compressed |
| LCI | Lean Construction Institute |
| LCK | Library Construction Kit |
| LCM | Lower Carbon Materials |
| LCMM | Lean Construction Maturity Model |
| LCS | Lehnert Construction Services |
| LCSC | Logistics Construction Support Contract |