| Abbreviation | Definition |
|---|---|
| OWE | Owen, Wickersham, & Erickson |
| OWEC | Ocean Wave Energy Company |
| OWF | Orange Wine Fund |
| OWH | Old Weird Herald's Slot Car Racing |
| OWI | One World Interactive Corporation |
| OWJ | One World Journeys |
| OWL | Online Web Learnings |
| OWLI | One World Lithium Inc |
| OWM | O'Donnell, Weiss, & Mattei, P. C. |
| OWM | Omega Waste Management, Inc. |
| OWM | One World Music |
| OWM | Oregon White Wines |
| OWMI | Omega Waste Management, Inc. |
| OWMO | Optimal World Multi-relief Organisation |
| OWO | One Way Out Fonts |
| OWOC | One World One Company |
| OWP | Odyssey Web Productions |
| OWP | One Write Plus |
| OWS | Oads Work Services |
| OWS | Old Western Scrounger Ammunition, Inc. |