Amex symbols Abbreviations and Acronyms
- OHBOrleans Homebuilders, Inc.
- OHCAOriole Homes Corporation Class A
- OIHOil Service Holders Trust
- OLPOne Liberty Properties, Inc.
- OLYOlympic Cascade Financial Corp.
- OMFGOfficial Meeting Facilities Guide
- ONTON2 COM Technologies, Inc.
- ONXOnix Systems, Inc.
- OOCO E C Compression Corporation
- OPCQ C Optics, Inc.
- OPGMerrill Lynch & Company, Inc.
- OPIOpinion Research Corporation
- OPTOpticare Health Systems, Inc.
- OQGOptimal Robotics Corporation
- ORCOpinion Research Corporation
- ORCIOpinion Research Corporation
- ORGOrganogenesis, Incorporated
- OSEOsage Systems Group, Inc.
- OSHOshman'S Sporting Goods, Inc.
- OTROtr Express Inc
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