The list of emergency acronyms and abbreviations.

All emergency related acronyms and abbreviations.

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157
NASA:
National Aeronautics and Space Administration(Space exploration)
77
EPA:
Environmental Protection Agency(Geological, Transportation planning)
57
FAA:
Federal Aviation Administration(Transportation planning)
44
NOAA:
National Oceanic and Atmospheric Administration(Polar satellite)
34
FDA:
Food and Drug Administration(Medicare, Food science, Food technology)
34
FCC:
Federal Communications Commission(Response, Firefighting, Emergency)
27
GSA:
General Services Administration(Response, Emergency, Management)
24
FEMA:
Federal Emergency Management Agency(Evacuation, Disaster)
20
CFR:
Code of Federal Regulations(US business, Governmental, Central)
16
OSHA:
Occupational Safety and Health Administration(Mechanical sealing)
13
GIS:
Geographic Information System(Transport, Traffic, Hurricane management)
12
IRS:
Internal Revenue Service(Us taxes, US business, Response)
8
PBX:
Private Branch Exchange(Response, Emergency, Computer Security)
8
FIPS:
Federal Information Processing Standard(Response, Computer technology)
6
SOP:
Standard Operating Procedure(Canadian aviation, Hurricane management)
6
USGS:
United States Geological Survey(Geological, Geology, Hurricane management)
4
CST:
Central Standard Time(Australian time, Time scale, Time Zone)
3
AST:
Atlantic Standard Time(Time scale, Time Zone, Emergency Management)
3
CDT:
Central Daylight Time(Australian time, Time scale, Time Zone)
3
EDT:
Eastern Daylight Time(Australian time, Time scale, Time Zone)
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APASmart Define. (2018). emergency. Retrieved September 25, 2026, from http://smartdefine.org/emergency/abbreviations/r/Telecom
ChicagoSmart Define. 2018. "emergency" http://smartdefine.org/emergency/abbreviations/r/Telecom (accessed September 25, 2026).
HarvardSmart Define 2018, emergency, Smart Define, viewed 25 September, 2026, <http://smartdefine.org/emergency/abbreviations/r/Telecom>.
MLASmart Define. "emergency" 16 February 2018. Web. 25 September 2026. <http://smartdefine.org/emergency/abbreviations/r/Telecom>