-
medical | physiology
-
academic & science | research
-
business | general
-
Materials Research Society
academic & science | electronics
-
Meteorological Radar Subsystem
governmental | military
-
Manufacturers Railway Company
regional | railroads
-
Mobility Requirements Study
governmental | military
-
miscellaneous | funnies
-
Metering And Regulator Station
miscellaneous
-
regional | airport codes
-
governmental | nasa
-
computing | networking
-
community | music
-
Meganuclease Recombination System
medical | human genome
-
Mitsubishi Rotary Separator
medical | laboratory
-
governmental | military
-
computing | general
-
community | religion
-
miscellaneous | unclassified
-
business | toronto stock exchange
-
business | london stock exchange
-
miscellaneous | hobbies
-
governmental | us government
-
governmental | nasa
-
Masint (measurement And Signature Intelligence) Requirements System
governmental | military
-
miscellaneous | unclassified
-
Mountain Research Station
academic & science | geology
-
regional | railroads
-
business | companies & firms
-
Movimiento Radical Socialista
international | spanish
-
miscellaneous | names and nicknames
-
Magnetic Resonance Spectroscopy
medical | hospitals
-
Movie Recommendation System
community | film censorship
-
Miniature Rawinsonde System
academic & science | meteorology
-
business | general
-
Molecular Recognition Section
medical | human genome
-
Multiple Roundpoint Structures
academic & science | architecture
-
computing | assembly
-
Mobility Requirements Study
governmental | transportation
-
Wordperfect Macro Resource File
computing | file extensions
-
governmental | military
-
Mister Right's Seamstress
miscellaneous | funnies
-
Mechanical Release System
computing | hardware
-
Michigan Rehabilitation Services
medical | rehabilitation
-
community | media
-
community | media
-
miscellaneous | unclassified
-
business | companies & firms
-
Magnetic Resonance Spectroscopy
governmental | fda
-
Mi Rehabilitation Services
medical | rehabilitation
-
Metaphysical Research Society
academic & science | research
-
community | media
-
governmental | military
-
community | law & legal
-
Midwater Respirometry System
miscellaneous | unclassified
-
Medical Reception Station
governmental | military
-
Midcoast Energy Resources, Inc
business | amex symbols
-
academic & science | architecture
-
Marginal Rate Of Substitution
business | general