| Abbreviation | Definition |
|---|---|
| ONSP | Onspan Networking, Inc. |
| ONSS | On Site Sourcing, Inc. |
| ONSSU | On Site Sourcing, Inc. |
| ONSSW | On Site Sourcing, Inc. Warrants |
| ONST | On Stage Entertainment |
| ONSTW | On Stage Entertainment Warrants |
| ONSTW | On Stage Entertainment Warrants (de-listed) |
| ONSTW | On Stage Entertainment Warrants (de-listed) |
| ONTA | Oneita Industries, Inc. |
| ONTC | On Technology Corporation |
| ONTR | Ontro, Inc. |
| ONTRW | Ontro, Inc. Warrants |
| ONTRW | Ontro, Incorporated Warrants (de-listed) |
| ONTRW | Ontro, Incorporated Warrants (de-listed) |
| ONTV | L A Group, Inc. |
| ONVI | Onvia.Com, Inc. |
| ONXS | Onyx Software Corporation |
| ONXX | Onyx Pharmaceuticals, Inc. |
| ONYX | Onyx Acceptance Corporation |
| OOAG | OMDA Oil And Gas |