Advanced Marble System - NCIC boat manufacturer code (NCIC)
Walter Reed Army Medical Center, Washington, DC - OCLC symbol (OCLC)
Warapu - Language code (ETLW)
Ward Room Attendant - British military (DMA)
Warramunga Array - Australia - Seismograph station code, US Geological Survey (SEIS)
War Relocation Authority - Within Office of Emergency Management - To provide for the relocation of persons whose removal seemed necessary for national security, and for their maintenance and supervision - World War II
Warren Rogers Associates, Inc. - Commercial firm
War Reserve Allowance (CINC)
Waste Regulation Authority - British
Water Research Association - British (DCTA)
Water Resources Abstracts - Database (GDD)
Weapon Replaceable Assembly (SAUS)
Weapons Replaceable Assemblies (SAUS)
Weapons Replaceable - or Replacement Assembly
Weapons Replacement Assembly (SAUS)
Western Railroad Association (EA)
Western Range Association (EA)
Wetlands Research Associates, Inc. - Commercial firm
Wetlands Resource Act (COE)
White River Air Services Ltd. - Canada - ICAO designator (FAAC)
Whiteware Research Association - Defunct (EA)
Winchester Repeating Arms - Firearms use code - Firearms collecting (FAUC)
Winchester Repeating Arms Co.
Windarra Minerals Ltd. - Vancouver Stock Exchange symbol - Toronto Stock Exchange symbol
Wind Restraint Area (SAA)
Wireless Retailers Association (SAUS)
With the Rule Astigmatism - Ophthalmology
Women's Rabbinic Alliance - Later, WSA (EA)
Work Release Authorization (SAUS)
World Road Association - Finland (EAIO)
Wrinkle Recovery Angle (IAA)