| Abbreviation | Definition |
|---|---|
| MEC | Materials Energy and Constructions |
| MEC | Medical Electronic Construction |
| MechC | Mechanisation Credit |
| MEP | Maximum Extent Practicable |
| MEPF | Mechanical, Electrical, Plumbing Fire fighting |
| MEPF | Mechanical, Electrical, Plumbing & Fire fighting |
| METC | Metallurgical Engineering Technology and Construction |
| MEWP | Mobile Elevating Work Platform |
| MFP | Multi Function Panel |
| MG | Mortar Gun |
| MGP | Machine Graded Pine |
| MGRP | Magnesium-Rich Primer |
| MH | ManHole |
| MHCSS | Manufactured Home Construction and Safety Standards |
| MIA | Marble Institute of America |
| MIAC | Mechanical Industry Advisory Committee |
| MIJs | Monolithic Insulating Joints |
| MILTFD | Make It Like The Frigging Drawing |
| MIR | Material Inspection Request |
| MLRE | Minimal Local Reconstruction Error |