OWS Operational Weather Squadron
OWS Open Geospatial Consortium, Inc.
OWS Office of Workforce Security
OWS Ocean Weather Station
OWS Operator Workstation (Ericsson)
OWS Oil Water Separator
OWS Oracle Web Server
OWS Orbital Workshop (1960s NASA program)
OWS Open Water Swim
OWS Open Web Studio (software)
OWS Outdoor Wireless System
OWS occupant weight sensor (automotive)
OWS Online Web Solutions
OWS Ontario Weather Service
OWS Order of World Scouts (est. 1911)
OWS Optimal Wire Sizing
OWS Operating While Suspended (law enforcement)
OWS Obsessive Website Statistics
OWS Obstacle Warning System
OWS On Wing Support (aviation)
OWS One World Syndicate (gaming community)
OWS Overload Warning System
OWS Odfjell Well Services (Tanager, Norway oil & gas equipment & services company)
OWS Oracle Workforce Scheduling (software)
OWS Oily Water Sewer
OWS Open Web Steel (joists, construction)
OWS Orbiting Workshop
OWS Optical Witness Sample
OWS Oldbury Wells School
OWS Outcomes Web System
OWS Operations Workstation
OWS Ottawa Watercolor Society
OWS OPC Warm Standby (Nortel)
OWS Overweight Surcharge (shipping industry)
OWS Online Warranty Service (ASBIS Enterprises)
OWS On Wing Services
OWS Office of Warfighter Support
OWS Overhead Weapons System
OWS Outdoor Wood Store
OWS Overall Wellness Score
OWS Ocean Work Station (Canadian Naval Forces)
OWS Order Wire System
OWS Operational Work Station
OWS Ojibway Warrior Society (Canada)
OWS Operation Warrior Support (Daytona Beach, FL)
OWS Owner Will Ship
OWS Otto Wagner Spital (German: Otto Wagner Hospital; Austria)
OWS Oilfield Warehouse & Services
OWS Occupy Wall Street (protest group)