What does OWA stand for?

Occupational Work Adjustment - Telecommunications (ACOL)

Office of the Worker Adviser - Ministry of Labour (OGA)

Optical Wholesalers Association - Later, OLA (EA)

Oregon Winegrowers Association (EARSL)

Organics-in-Water Analyzer - Instrumentation

Other Weird Arrangements (AMHC)

Outlook Web Access - Computer science (VLIE)

O.W.A. - NCIC firearms make code (NCIC)

Owase - Japan - Seismograph station code, US Geological Survey (SEIS)

Owatonna, MN - Location identifier - FAA (FAAL)

University of Windsor, Ontario - Library symbol - National Library of Canada (NLC)