| OWS | Oads Work Services 
| Others |
| OWS | Object With Service
| Others |
| OWS | Object Working Set
| Others |
| OWS | Obstructing Windshield
| Others |
| OWS | Occupant Weight Sensor
| Others |
| OWS | Occupy Wall St
| Others |
| OWS | Occupy Wall Street
| Others |
| OWS | Ocean Weather Station
| Others |
| OWS | Oder Was Sonst
| Others |
| OWS | Odfjell Well Services
| Others |
| OWS | Office of Womerns' Services
| Others |
| OWS | Office of Workforce Security
| Others |
| OWS | Office of Workplace Solutions
| Others |
| OWS | Office Web Server
| Others |
| OWS | Official Web Sites
| Others |
| OWS | OGC Web Services
| Others |
| OWS | Oil Water Separator
| Others |
| OWS | Oily Water Separator
| Others |
| OWS | Old Western Scrounger Ammunition, Inc.
| Others |
| OWS | Old Wrights Society
| Others |
| OWS | Online Workgroup Server
| Others |
| OWS | Online Writing Support
| Others |
| OWS | Open Water Swim
| Others |
| OWS | Open Web Scrobbler
| Others |
| OWS | Open Web Service
| Others |
| OWS | Open Web Studio
| Others |
| OWS | Open Window School
| Others |
| OWS | Open Workgroup Suite
| Others |
| OWS | Opera Web Services
| Others |
| OWS | Operational Weather Squadron
| Others |
| OWS | Optical Wave Service
| Others |
| OWS | Optical Wavelength Service
| Others |
| OWS | Optical Witness Sample
| Others |
| OWS | Optimal Workforce Solutions
| Others |
| OWS | Oracle Web Server
| Others |
| OWS | Oracle Workgroup Server
| Others |
| OWS | Ordained to Word and Sacrament
| Others |
| OWS | Ordained to Word and Service
| Others |
| OWS | Oregon Wood Specialties
| Others |
| OWS | Osps Workstation
| Others |
| OWS | Other Wine And Spirits
| Others |
| OWS | Outdoor Wireless System
| Others |
| OWS | Outer Wheel Sliders
| Others |
| OWS | Overhead Weapon Station
| Others |
| OWS | Owner Will Ship
| Others |