ACD Automatic Call Distribution
AERDO Association of Evangelical Relief and Development Organizations
AHJ Authority Having Jurisdiction
ALERT Area Logistics Emergency Response Teams
API Application Programming Interface
APP Application
ARC American Red Cross
ARF Action Request Form
B.Net Business Net
BCG Buffalo Computer Graphics
BZPP Buffer Zone Protection Program
CAC Common Access Card
CAD Computer-Aided Dispatch
CCP Citizens Corps Program
CEAS Corporate Emergency Access System
CERT Community Emergency Response Team
CHUID Cardholder Unique Identifier
CI/KR Critical Infrastructure and Key Resources
CIMS Citywide Incident Management System
CLID Calling Line Identification
CNCS Corporation for National and Community Service
COAD Community Organizations Active in Disaster
COFC Container on Flat Car
COG Collaborative Operations Group
CONOPS Concept of Operations
COTS Commercial Off-the-Shelf
C-POD Commodity Point of Distribution
CSA Combined Statistical Area
DCO Defense Coordinating Officer
DCT Donations Coordination Team
DEMHS Department of Emergency Management and Homeland Security
DHS Department of Homeland Security
DLA Defense Logistics Agency
DM: Disaster Management (a specific technology program administered by FEMA)
DMAT Disaster Medical Assistance Team
DM-IMS Disaster Management – Incident Management System
DMORT Disaster Mortuary Operational Response Team
DM-PSG Disaster Management – Practicioner Steering Group
DM-VOC Disaster Management – VIrtual Operations Center
DoD Department of Defense
DOT Department of Transportation
DTTS Defense Transportation Tracking System
EAS Emergency Alert System
EDI Electronic Data Interchange
EDXL-DE Emergency Data eXchange Language – Distribution Element
EDXL-HAVE Emergency Data eXchange Language – Hospital Availability Exchange
EDXL-RM Emergency Data eXchange Language – Resource Messenging
EDXL-SitRep Emergency Data eXchange Language – Situational Reporting
EM Emergency Management
EMA Emergency Management Agency
EMAC Emergency Management Assistance Compact
EMPG Emergency Management Performance Grant
EMS Emergency Medical Services
EMT Emergency Medical Technician
EOC Emergency Operations Center
ERO Emergency Response Official
ESAR-VHP Emergency System for Advance Registration of Volunteer Health Professionals
ESF Emergency Support Function
ETL Extract, Transform, Load
F/ERO Federal and Mutual Aid Emergency Response Official
FA Fiduciary Agent
FATPOT For All The People Of The ("World")
FEMA Federal Emergency Management Agency
FIPS Federal Information Processing Standard
FOG Field Operations Guide
FOUO For Official Use Only
FRAC First Responder Authentication Credential
GIS geographic information system
GPS Global Positioning System
GSA General Services Administration
HAZMAT Hazardous Materials
HAZUS-MH Hazards U.S. Multi-Hazard
HIT Health Information Technology
HSA Homeland Security Advisor
HSPD Homeland Security Presidential Directive
HUR Hurricane
IAP Incident Action Plan
IC Incident Commander
ICAM Identify, Credential and Access Management
ICDDC Interstate Civil Defense and Disaster Compact
ICS Incident Command System
ID Identification
IDMS Identity Management System
IED Improvised Explosive Device
IMAP Intrastate Mutual Aid Protocol
IMS Incident Management System
IMSI Incident Management Integration Division
IMT Incident Management Team
IOF Initial Operating Facility
IP Internet Protocol
IPAWS Integrated Public Alert and Warning System
IPAWS-OPEN Integrated Public Alert and Warning System – Open Platform for Emergency Networks
IRRIS Integrated Response and Recovery Information System
ISB Incident Support Base
IT Information Technology
JFO Joint Field Office
JIC  Joint Information Center
LACS Logical Access Control System
LC Logistics Center
LEO Law Enforcement Official
LSCMS Logistics Supply Chain Management System
MAA Mutual Aid Agreement
MAC Multi-agency Coordination Center
MCC Movement Coordination Center
MHE Material Handling Equipment
MMRS Metropolitan Medical Response System
MOA Memorandum of Agreement
MOU Memorandum of Understanding
MRP Mission Ready Packages
MTA Metropolitan Transit Authority
NACI National Agency Check with Inquiries
NDMN National Donations Management Network
NEMA National Emergency Management Association
NEPA RTF Northeast Pennsylvania Regional Task Force
NFI Non-federal Issuer
NFPA National Fire Protection Association
NGO Non-Governmental Organization
NIC National Integration Center
NIEM National Information Exchange Model
NIMS National Incident Management System
NIST National Institute of Standards and Technology
NJ OEM New Jersey Office of Emergency Management
NJSP New Jersey State Police
NRCC National Response Coordination Center
NUC Nuclear
NWEM Non-Weather Emergency Messages
NWS National Weather Service
NYC OEM New York City Office of Emergency Management
NYMTC New York Metropolitan Transportation Council
NYS DHSES New York State Division of Homeland Security and Emergency Services
NYS OEM New York State Office of Emergency Management
OASIS Organization for the Advancement of Structured information Standards
OEM Office of Emergency Management
OIC Office of Interoperability and Compatibility
OSGP Operation Stonegarden Grant Program
PACS Physical Access Control System
PANFLU Pandemic Influenza
PANYNJ Port Authority of New York and New Jersey
PEMA Pennsylvania Emergency Management Agency
PIN Personal Identification Number
PIO Public Information Officer
PIV Personal Identity Verification
PIV-C Personal Identity Verification-Compatible
PIV-I Personal Identity Verification-Interoperable
PKI Public Key Infrastructure
PL Public Law
POC Point of Contact
POD Point of Distribution / Point of Dispensation
POTS Plain Old Telephone Service
PRI Primary Rate Interface
PSMR Pre-Scripted Mission Request
RADP Regional Asset Database Project
RCPGP Regional Catastrophic Preparedness Grant Program
RCPT Regional Catastrophic Planning Team
RDC Receiving and Distribution Center
RDD Radiological Dispersal Device
RDDB Resource Directory Database
RELT Regional Emergency Liaison Team
RIC Regional Integration Center
RIMS Regional Information Management System
RIRM Regional Interoperability and Resource Management 
RLC Regional Logistics Committee
RMG Resource Management Group
ROIC Regional Operations Intelligence Center
RRCC Regional Response Coordination Center
RRMS Regional Resource Management System
SAA State Administrative Agency
SAIC Science Applications International Corporation
Schema Standardized message formats for data sharing through XML
SEPA RTF Southeastern Pennsylvania Regional Task Force
SHSP State Homeland Security Program
SOEM State Office of Emergency Management 
SPO Single Point Ordering
TAV Total Asset Visibility
TDD Telecommunications Device for the Deaf
TOFC Trailer on Flat Car
TPM Trading Partner Management
UASI Urban Area Security Initiative
UICDS Unified Incident Command and Decision Support
USACE United States Army Corps of Engineers
VCT Volunteer Coordination Team
VDM Volunteer and Donations Management 
VDMA Volunteer and Donations Management Annex
VJPO Virtual Joint Planning Office
VOAD Voluntary Organizations Active in Disaster
VoIP Voice Over Internet Protocol
VPA Volunteer Protection Act
VRC Volunteer Reception Center
VROC Virtual Regional Operations Center
XML Extensible Markup Language