| Abbreviation | Definition |
|---|---|
| OFC | Omni Flow Computers, Inc. |
| OFC | Opportunity Funding Corporation |
| OFCI | Optical Fiber Components Inc |
| OFD | Oregon Freeze Dry, Inc. |
| OFDA | Office Furniture Dealers' Alliance |
| OFG | Operational Financial Group |
| OFH | Olins, Foerster, & Hayes |
| OFI | Optimal Functioning Institute |
| OFI | Oregon Fuel Injection |
| OFL | Ontario Federation of Labour |
| OFLDW | Officeland, Inc. Warrants |
| OFP | Objective Financial Partners |
| OFS | Oil Field Services |
| OFS | Original Future Sounds |
| OFS | Overseas Financial Services |
| OFU | Offshore Finance USA |
| OFU | Ontario is For You |
| OFV | Opplæringskontoret For Fiskerinæringen I Vest-finnmark |
| OFV | Österreichischen Franchise-Verbandes |
| OFW | Office Furniture Warehouse |