| Building | Institute |
| M-1 | Information/Security |
| M-2 | NRC Canada Institute for Scientific and Technical Information (NRC-CISTI) |
| M-2 | NRC Institute For Aerospace Research (NRC-IAR) |
| M-2 | NRC Institute For Chemical Process and Environmental Technology (NRC-ICPET) |
| M-3 | NRC Institute For Aerospace Research (NRC-IAR) |
| M-4 | NRC Design and Fabrication Services (DFS) |
| M-6 | NRC Administrative Services and Property Management (NRC-ASPM) |
| M-7 | NRC Institute For Aerospace Research (NRC-IAR) |
| M-9 | NRC Institute For Chemical Process and Environmental Technology (NRC-ICPET) |
| M-10 | Centre for Fluid Power Technology |
| M-10 | NRC Institute For Aerospace Research (NRC-IAR) |
| M-10 | NRC Institute For Chemical Process and Environmental Technology (NRC-ICPET) |
| M-12 | NRC Institute For Chemical Process and Environmental Technology (NRC-ICPET) |
| M-12 | NRC Institute For National Measurements Standards (NRC-INMS) |
| M-13A | NRC Institute For Aerospace Research (NRC-IAR) |
| M-14 | NRC Institute For Aerospace Research (NRC-IAR) |
| M-15 | NRC Administrative Services and Property Management (NRC-ASPM) |
| M-15 | NRC Institute For Aerospace Research (NRC-IAR) |
| M-16 | Grounds Maintenance and Buildings Cleaning |
| M-17 | Thermal Technology Centre (TTC) |
| M-19 | NRC Administrative Services and Property Management (NRC-ASPM) |
| M-20 | NRC Institute For Research In Construction (NRC-IRC) |
| M-22 | NRC Administrative Services and Property Management (NRC-ASPM) |
| M-23A | NRC Institute For Research In Construction (NRC-IRC) |
| M-23A | NRC Institute For Microstructural Sciences (NRC-IMS) |
| M-24 | NRC Institute For Research In Construction (NRC-IRC) |
| M-32 | NRC Canadian Hydraulics Centre (NRC-CHC) |
| M-35 | NRC Canada Institute for Scientific and Technical Information (NRC-CISTI) |
| M-35 | NRC Institute For National Measurements Standards (NRC-INMS) |
| M-36 | NRC Design and Fabrication Services (DFS) |
| M-36 | NRC Institute For National Measurements Standards (NRC-INMS) |
| M-36 | NRC Institute For Microstructural Sciences (NRC-IMS) |
| M-37 | NRC Institute For Microstructural Sciences (NRC-IMS) |
| M-38 | NRC Institute For National Measurements Standards (NRC-INMS) |
| M-39 | Grounds Maintenance and Buildings Cleaning |
| M-45 | NRC Institute For Aerospace Research (NRC-IAR) |
| M-50 | NRC Canada Institute for Scientific and Technical Information (NRC-CISTI) |
| M-50 | NRC Canadian Photonics Fabrication Centre (NRC-CPFC) |
| M-50 | NRC Industry Partnership Faculty (NRC-IPF) |
| M-50 | NRC Institute for Microstructural Sciences (NRC-IMS) |
| M-50 | NRC Institute For Information Technology (NRC-IIT) |
| M-50 | NRC Institute For Research In Construction (NRC-IRC) |
| M-54 | NRC Institute For Biological Science (NRC-IBS) |
| M-55 | NRC Canada Institute for Scientific and Technical Information (NRC-CISTI) |
| M-55 | NRC Human Resources Branch (NRC-HRB) |
| M-55 | NRC Industrial Research Assistance Program (NRC-IRAP) |
| M-55 | NRC Corporate Services Branch (NRC-CSB) |
| M-58 | NRC Commercialization Branch (NRC-CB) |
| M-58 | NRC Corporate Services Branch (NRC-CSB) |
| M-58 | NRC Financial Branch (NRC-FB) |
| M-58 | NRC Human Resources Branch (NRC-HRB) |
| M-58 | NRC Information Management Services Branch (NRC-IMSB) |
| M-59 | NRC Institute For Research In Construction (NRC-IRC) |
| M-60 | NRC Financial Branch (NRC-FB) |
| M-60 | NRC Information Management Services Branch (NRC-IMSB) |
