public Company Search
| Company | Country | Capital IQ Industry |
| Oman Oil Marketing Company SAOG | Oman | Energy |
| Oman ORIX Leasing Company SAOG | Oman | Miscellaneous Financial Services |
| Oman Refreshment Company SAOG | Oman | Food & Beverages |
| Oman Telecommunications Company (S.A.O.G) | Oman | Communication Services |
| Oman Textile Mills Holding Co. SAOG | Oman | Clothing, Textiles and Accessories |
| Oman United Insurance Company SAOG | Oman | Insurance |
| Omani Euro Food Industries SAOG | Oman | Food & Beverages |
| Omani Packaging Company (S.A.O.G) | Oman | Packaging and Containers |
| Omani Qatari Telecommunications Company SAOG | Oman | Communication Services |
| Omatek Ventures Plc | Nigeria | Computers and Electronic Equipment |
| Omax Autos Ltd. | India | Auto Parts |
| Omaxe Ltd. | India | Real Estate |
| OMDA Oil & Gas, Inc. | United States | Energy |
| Omega Ag-Seeds (Punjab) Ltd. | India | Food & Beverages |
| Omega Commercial Finance Corp. | United States | Banks and Thrifts |
| Omega Diagnostics Group PLC | United Kingdom | Healthcare Equipment/Supplies |
| Omega Healthcare Investors Inc. | United States | Real Estate |
| Omega Interactive Technologies Limited | India | Software and Technology Services |
| Omega Protein Corp. | United States | Food & Beverages |
| Omega World, Inc. | United States | Software and Technology Services |
| OmegaFlex, Inc. | United States | Heavy Machinery |
| Omeros Corporation | United States | Pharmaceuticals and Biotechnology |
| OMG plc | United Kingdom | Software and Technology Services |
| Omico Corp. | Philippines | Metals & Mining |
| Omikenshi Co., Ltd. | Japan | Clothing, Textiles and Accessories |
| Omineca Mining & Metals Inc. | Canada | Metals & Mining |
| Omkar Overseas Ltd | India | Clothing, Textiles and Accessories |
| Omkar Pharmachem Limited | India | Chemicals |
| Omkar Speciality Chemicals Limited | India | Chemicals |
| Omni Ax's Software Limited | India | Software and Technology Services |
| Omni Bio Pharmaceutical, Inc. | United States | Pharmaceuticals and Biotechnology |
| Omni Financial Services, Inc. | United States | Banks and Thrifts |
| Omni System Co,. Ltd. | South Korea | Computers and Electronic Equipment |
| Omni Ventures, Inc. | United States | Clothing, Textiles and Accessories |
| Omni-Lite Industries Canada Inc. | United States | Heavy Machinery |
| Omnia Holdings Limited | South Africa | Chemicals |
| Omniamerican Bancorp, Inc. | United States | Banks and Thrifts |
| Omnicane Ltd. | Mauritius | Utilities |
| Omnicare Inc. | United States | Healthcare Services |
| Omnicell Inc. | United States | Software and Technology Services |
| Omnicity, Corp. | United States | Communication Services |
| Omnicom Group Inc. | United States | Media |
| OmniComm Systems Inc. | United States | Software and Technology Services |
| Omnimmune Holdings, Inc. | United States | Pharmaceuticals and Biotechnology |
| Omnitech Infosolutions Limited | India | Software and Technology Services |
| Omnitech Petroleum Ltd | India | Energy |
| Omnitek Engineering Corp. | United States | Heavy Machinery |
| Omnitel, Inc. | South Korea | Communication Services |
| Omnitex Industries (India) Limited | India | Wholesale and Distribution |
| OmniVision Technologies, Inc. | United States | Semiconductors |
| OMNOVA Solutions Inc. | United States | Chemicals |
| Omphalos Corp. | Taiwan | Computers and Electronic Equipment |
| OMRON Corporation | Japan | Computers and Electronic Equipment |
| Omskshina Open Joint Stock Company | Russia | Auto Parts |
| OMT Inc. | Canada | Software and Technology Services |
| Omthera Pharmaceuticals, Inc. | United States | Pharmaceuticals and Biotechnology |
| Omtool Ltd. | United States | Software and Technology Services |
| OMV Aktiengesellschaft | Austria | Energy |
| OMV Petrol Ofisi AS | Turkey | Energy |
| OMV Petrom SA | Romania | Energy |
| On Assignment Inc. | United States | Miscellaneous Commercial Services and Supplies |
| ON Semiconductor Corp. | United States | Semiconductors |
| On The Move Systems Corp. | United States | Retail |
| On Track Innovations Ltd. | Israel | Computers and Electronic Equipment |
| On'ally Holdings PLC | Sri Lanka | Real Estate |
| On-Bright Electronics Incorporated | Taiwan | Semiconductors |
| On-Line plc | United Kingdom | Software and Technology Services |
| On4 Communications, Inc. | Canada | Computers and Electronic Equipment |
| Onamba Co. Ltd. | Japan | Electrical Equipment |
| Onano Industrial Corp. | Taiwan | Semiconductors |
| ONATEL-SA | Burkina Faso | Communication Services |
| Oncard International Limited | Hong Kong | Miscellaneous Financial Services |
| OncoGenex Pharmaceuticals, Inc. | United States | Pharmaceuticals and Biotechnology |
| Oncologix Tech, Inc. | United States | Pharmaceuticals and Biotechnology |
| Oncology Med, Inc. | United States | Healthcare Services |
| Oncolytics Biotech Inc. | Canada | Pharmaceuticals and Biotechnology |
| OncoSec Medical Incorporated | United States | Healthcare Equipment/Supplies |
| OncoTherapy Science, Inc. | Japan | Pharmaceuticals and Biotechnology |
| Oncothyreon Inc | United States | Pharmaceuticals and Biotechnology |
| OncoVista Innovative Therapies, Inc. | United States | Pharmaceuticals and Biotechnology |
| ONE Bank Limited | Bangladesh | Banks and Thrifts |
| ONE Bio Corp. | United States | Chemicals |
| One Corporation | Vietnam | Software and Technology Services |
| One Delta PLC | Channel Islands | Aerospace and Defense |
| One Horizon Group, Inc. | Singapore | Communication Services |
| One Liberty Properties Inc. | United States | Real Estate |
| One Media Group Limited | Hong Kong | Media |
| One Media iP Group plc | United Kingdom | Media |
| One Software Technologies (O.S.T.) Ltd. | Israel | Software and Technology Services |
| One World Holdings, Inc. | United States | Restaurants and Leisure |
| One World Ventures, Inc. | United States | Heavy Machinery |
| One-2-One Spolka Akcyjna | Poland | Communication Services |
| One2One Living Corporation | United States | Software and Technology Services |
| OneBeacon Insurance Group, Ltd. | Bermuda | Insurance |
| OneCap Investment Corporation | Canada | Miscellaneous Financial Services |
| Oneida Financial Corp. | United States | Banks and Thrifts |
| OneLink Corporation | United States | Software and Technology Services |
| Onelogix Group Ltd. | South Africa | Air Freight |
| OneMove Technologies Inc. | Canada | Software and Technology Services |
| Oneness Biotech Co., Ltd. | Taiwan | Pharmaceuticals and Biotechnology |
| ONEOK Inc. | United States | Utilities |
| ONEOK Partners, L.P. | United States | Energy |
| OneScreen Inc | United States | Software and Technology Services |
| OneSource Technologies Inc. | United States | Software and Technology Services |
| Onex Corporation | Canada | Miscellaneous Financial Services |
| Onex Corporation | Japan | Metals & Mining |
| ONICO S.A. | Poland | Energy |
| Oniontech Limited | South Korea | Communication Services |
| Oniva Online Group Europe AB (publ) | Sweden | Software and Technology Services |
| ONKYO Corporation | Japan | Computers and Electronic Equipment |
| Online Brands Nordic AB | Sweden | Retail |
| Online Internet Network, Inc. | United States | Software and Technology Services |
| Online Marketing Solutions AG | Germany | Software and Technology Services |
| Online Vacation Center Holdings Corp | United States | Restaurants and Leisure |
| ONLY corporation | Japan | Clothing, Textiles and Accessories |
| OnMobile Global Limited | India | Software and Technology Services |
| Ono Pharmaceutical Co., Ltd. | Japan | Pharmaceuticals and Biotechnology |
| Ono Sangyo Co., Ltd. | Japan | Chemicals |
| Ono Sokki Co., Ltd. | Japan | Computers and Electronic Equipment |
| Onoken Co., Ltd. | Japan | Wholesale and Distribution |
| Onse Telecom Corporation | South Korea | Communication Services |
| Onsite Energy Corp. | United States | Engineering and Construction Services |
| Onstream Media Corp. | United States | Software and Technology Services |
| Ontario Solar Energy Corporation | Canada | Miscellaneous Commercial Services and Supplies |
| Ontrack Systems Limited | India | Software and Technology Services |
| ONTSU Co.,Ltd. | Japan | Wholesale and Distribution |
| Onvia Inc. | United States | Software and Technology Services |
| OnVista AG | Germany | Software and Technology Services |
| Onward Holdings Co., Ltd. | Japan | Clothing, Textiles and Accessories |
| Onward Technologies Ltd. | India | Software and Technology Services |
| Onyx Pharmaceuticals, Inc. | United States | Pharmaceuticals and Biotechnology |
| Onyx Service & Solutions, Inc. | United States | Utilities |
| Oomitsu Co., Ltd. | Japan | Miscellaneous Commercial Services and Supplies |
| Ooredoo Q.S.C. | Qatar | Communication Services |
| OOTOYA Holdings Co., Ltd. | Japan | Restaurants and Leisure |
| OP Financial Investments Limited | Hong Kong | Miscellaneous Financial Services |
| Op-Tech Environmental Services Inc. | United States | Miscellaneous Commercial Services and Supplies |
| Opal Energy Corp. | Canada | Energy |
| Opawica Explorations Inc. | Canada | Metals & Mining |
| Opc Pharmaceutical Joint Stock Company | Vietnam | Pharmaceuticals and Biotechnology |
| Opcom Holdings Bhd | Malaysia | Computers and Electronic Equipment |
| Opcon AB | Sweden | Utilities |
| OPEL Technologies Inc. | Canada | Semiconductors |
| Open Bank (Los Angeles CA) | United States | Banks and Thrifts |
| Open Finance Spolka Akcyjna | Poland | Miscellaneous Financial Services |
| Open Gold Corp | Canada | Metals & Mining |
| Open Investments | Russia | Real Estate |
| Open Join-Stock Company Udmurtneft | Russia | Energy |
| Open Joint stock Company SINTEZ | Russia | Pharmaceuticals and Biotechnology |
| Open Joint Stock Company "Energosbyt Rostovenergo" | Russia | Utilities |
| Open Joint Stock Company "Federal Grid Company of Unified Energy System" | Russia | Utilities |
| Open Joint Stock Company "Mining and Metallurgical Company Norilsk Nickel" | Russia | Metals & Mining |
| Open Joint Stock Company "UTair Aviation" | Russia | Airlines |
| Open Joint Stock Company - Magnit | Russia | Retail |
| Open joint stock company BANK URALSIB | Russia | Banks and Thrifts |
| Open Joint Stock Company Chelyabinsk Tube-Rolling Plant | Russia | Metals & Mining |
| Open joint stock company Donbasenergo | Ukraine | Utilities |
| Open Joint Stock Company GAZ | Russia | Automobiles |
| Open Joint Stock Company Gazprom | Russia | Energy |
| Open Joint Stock Company Interregional Distribution Grid Company of North-West | Russia | Utilities |
| Open Joint Stock Company Kaluga turbine works | Russia | Electrical Equipment |
| Open Joint Stock Company KAMAZ | Russia | Heavy Machinery |
| Open Joint Stock Company Kazanorgsintez | Russia | Chemicals |
| Open Joint Stock Company Kuzbasskaya Toplivnaya Company | Russia | Energy |
| Open Joint Stock Company Long-Distance and International Telecommunications Rostelecom | Russia | Communication Services |
| Open Joint Stock Company Magnitogorsk Iron & Steel Works | Russia | Metals & Mining |
| Open Joint Stock Company MOSTOTREST | Russia | Engineering and Construction Services |
| Open Joint Stock Company Murmansk Commercial Seaport | Russia | Transportation Infrastructure |
| Open Joint Stock Company Nizhnekamskneftekhim | Russia | Chemicals |
| Open Joint Stock Company NOMOS BANK | Russia | Banks and Thrifts |
| Open Joint Stock Company of Power and Electrification Mosenergo | Russia | Utilities |
| Open Joint Stock Company Oil company LUKOIL | Russia | Energy |
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