M
▪ Mallinckrodt Chemical Co., Destrehan St. Plant
▪ Massachusetts Institute of Technology (MIT)–Hood Building only
▪ Medina Modification Center (formerly known as Medina Facility)
N
▪ National Bureau of Standards, Van Ness Street
▪ Nuclear Materials and Equipment Corp. (NUMEC)–Apollo
▪ Nuclear Materials and Equipment Corp. (NUMEC)–Parks Township
O
▪ Oak Ridge Gaseous Diffusion Plant (K-25 Site)
▪ Oak Ridge Institute for Science Education (ORISE)
▪ Oak Ridge National Laboratory-X-10 (ORNL)
▪ Office of Scientific and Technical Information (OSTI)