| Sr No | Company Name | Location | Industry | Remark |
| 1 | O'Charley's Inc. | United States | LEISURE | PDF File |
| 2 | O'Neal Steel, Inc. | United States | METALS; MINING | PDF File |
| 3 | O'Reilly Automotive, Inc. | United States | RETAIL | PDF File |
| 4 | O2Micro International Limited | United States | TECHNOLOGY | PDF File |
| 5 | Oakley, Inc. | United States | RETAIL | PDF File |
| 6 | Oaktree Capital Management, L.P. | United States | FINANCE | PDF File |
| 7 | OAO AK Transneft | Russia | OIL; GAS | PDF File |
| 8 | OAO Gazprom | Russia | OIL; GAS | PDF File |
| 9 | OAO Lukoil | Russia | UTILITIES | PDF File |
| 10 | OAO Mosenergo | Russia | UTILITIES | PDF File |
| 11 | OAO Nizhnekamskneftekhim | Russia | METALS; MINING | PDF File |
| 12 | OAO Orenburgneft | Russia | OIL; GAS | PDF File |
| 13 | OAO Pharmacy Chain 36.6 | Russia | HEALTHCARE | PDF File |
| 14 | OAO Rostelecom | Russia | TELECOMS | PDF File |
| 15 | OAO Tatneft | Russia | OIL; GAS | PDF File |
| 16 | OAO TNK-BP Holding | Russia | OIL; GAS | PDF File |
| 17 | Obagi Medical Products, Inc. | United States | PHARMACEUTICALS | PDF File |
| 18 | Obayashi Corporation | Japan | CONSTRUCTION | PDF File |
| 19 | Oberthur Technologies S.A. | France | TECHNOLOGY | PDF File |
| 20 | OBIC Co., Ltd. | Japan | TECHNOLOGY | PDF File |
| 21 | Obrascon Huarte Lain S.A. | Spain | CONSTRUCTION | PDF File |
| 22 | OC Oerlikon Corporation AG | Switzerland | TECHNOLOGY | PDF File |
| 23 | Occidental Chemical Corporation | United States | CHEMICALS | PDF File |
| 24 | Occidental Petroleum Corporation | United States | OIL; GAS | PDF File |
| 25 | Ocean Spray Cranberries, Inc. | United States | DRINKS | PDF File |
| 26 | Oceana Group Limited | South Africa | AGRICULTURE | PDF File |
| 27 | Oceaneering International, Inc. | United States | MANUFACTURING | PDF File |
| 28 | OceanFirst Financial Corp. | United States | FINANCE | PDF File |
| 29 | OceanFreight, Inc. | Greece | TRANSPORTATION | PDF File |
| 30 | Och-Ziff Capital Management Group LLC | United States | FINANCE | PDF File |
| 31 | OCI Company Ltd. | Korea, South | CHEMICALS | PDF File |
| 32 | Oclaro, Inc. | United States | TELECOMS | PDF File |
| 33 | Octapharma AG | Switzerland | PHARMACEUTICALS | PDF File |
| 34 | Ocwen Financial Corporation | United States | BUSINESS SERVICES | PDF File |
| 35 | Odakyu Electric Railway Co., Ltd. | Japan | TRANSPORTATION | PDF File |
| 36 | Odebrecht S.A. | Brazil | CONSTRUCTION | PDF File |
| 37 | Odeon Film AG | Germany | MEDIA | PDF File |
| 38 | Odwalla, Inc. | United States | DRINKS | PDF File |
| 39 | Odyssey Re Holdings Corp. | United States | INSURANCE | PDF File |
| 40 | Oesterreichische Nationalbank | Austria | FINANCE | PDF File |
| 41 | Office Depot, Inc. | United States | RETAIL | PDF File |
| 42 | office2office plc | United Kingdom | RETAIL | PDF File |
| 43 | OfficeMax Incorporated | United States | RETAIL | PDF File |
| 44 | Offshore Oil Engineering Co. Ltd. | China | OIL; GAS | PDF File |
| 45 | OGE Energy Corp | United States | UTILITIES | PDF File |
| 46 | Ogilvy CommonHealth Worldwide | United States | BUSINESS SERVICES | PDF File |
| 47 | Oglesby & Butler Group plc | Ireland | ENGINEERING | PDF File |
| 48 | Oglethorpe Power Corporation | United States | UTILITIES | PDF File |
| 49 | Ohashi Technica, Inc. | Japan | AUTOMOTIVE | PDF File |
| 50 | Ohio Edison Company | United States | UTILITIES | PDF File |
| 51 | Ohio Power Company | United States | UTILITIES | PDF File |
| 52 | Oil and Natural Gas Corporation Limited | India | OIL; GAS | PDF File |
| 53 | Oil Search Limited | Papua New Guinea | OIL; GAS | PDF File |
| 54 | Oil States International, Inc. | United States | OIL; GAS | PDF File |
| 55 | Oil-Dri Corporation of America | United States | OIL; GAS | PDF File |
| 56 | Oji Paper Co., Ltd. | Japan | MANUFACTURING | PDF File |
| 57 | OJSC MMC Norilsk Nickel | Russia | METALS; MINING | PDF File |
| 58 | OJSC Novolipetsk Steel (NLMK) | Russia | METALS; MINING | PDF File |
| 59 | OJSC Razgulay Group | Russia | AGRICULTURE | PDF File |
| 60 | OJSC Rosneft Oil Company | Russia | OIL; GAS | PDF File |
| 61 | OJSC Surgutneftegas | Russia | UTILITIES | PDF File |
| 62 | OJSC Uralkali | Russia | CHEMICALS | PDF File |
| 63 | Okabe Co., Ltd. | Japan | AUTOMOTIVE | PDF File |
| 64 | Okaya & Co., Ltd. | Japan | METALS; MINING | PDF File |
| 65 | Oki Electric Industry Co., Ltd. | Japan | TECHNOLOGY | PDF File |
| 66 | OKK Koksovny, a.s. | Czech Republic | METALS; MINING | PDF File |
| 67 | Okmetic Oyj | Finland | TECHNOLOGY | PDF File |
| 68 | Okuma Corporation | Japan | MANUFACTURING | PDF File |
| 69 | Olam International Limited | Singapore | DRINKS | PDF File |
| 70 | Old Dominion Freight Line, Inc. | United States | TRANSPORTATION | PDF File |
| 71 | Old Dutch Foods, Inc. | United States | FOOD | PDF File |
| 72 | Old Mutual Plc | United Kingdom | FINANCE | PDF File |
| 73 | Old National Bancorp | United States | FINANCE | PDF File |
| 74 | Old Point Financial Corporation | United States | FINANCE | PDF File |
| 75 | Old Republic International Corporation | United States | INSURANCE | PDF File |
| 76 | Old Second Bancorp, Inc. | United States | FINANCE | PDF File |
| 77 | Olin Corporation | United States | METALS; MINING | PDF File |
| 78 | Oliver Wyman Group | United States | BUSINESS SERVICES | PDF File |
| 79 | Olvi Oyj | Finland | DRINKS | PDF File |
| 80 | Olympic Airways - Services S.A. | Greece | TRANSPORTATION | PDF File |
| 81 | Olympic Steel, Inc. | United States | METALS; MINING | PDF File |
| 82 | Olympus Automation Ltd | United Kingdom | TECHNOLOGY | PDF File |
| 83 | Olympus Corporation | Japan | RETAIL | PDF File |
| 84 | OM Group, Inc. | United States | CHEMICALS | PDF File |
| 85 | Omaha Public Power District | United States | UTILITIES | PDF File |
| 86 | Oman Air SAOC | Oman | TRANSPORTATION | PDF File |
| 87 | Oman Flour Mills Company (S.A.O.G) | Oman | MANUFACTURING | PDF File |
| 88 | Oman Oil Marketing Company SAOG | Oman | OIL; GAS | PDF File |
| 89 | Oman Telecommunications Company (S.A.O.G) | Oman | TELECOMS | PDF File |
| 90 | Omega Healthcare Investors, Inc. | United States | FINANCE | PDF File |
| 91 | Omega Pharma NV | Belgium | PHARMACEUTICALS | PDF File |
| 92 | Omega Protein Corporation | United States | FOOD | PDF File |
| 93 | OMNI Energy Services Corp. | United States | UTILITIES | PDF File |
| 94 | Omnicare, Inc | United States | HEALTHCARE | PDF File |
| 95 | Omnicell, Inc. | United States | BUSINESS SERVICES | PDF File |
| 96 | Omnicom Group Inc. | United States | BUSINESS SERVICES | PDF File |
| 97 | OmniVision Technologies, Inc. | United States | TECHNOLOGY | PDF File |
| 98 | OMNOVA Solutions Inc. | United States | CHEMICALS | PDF File |
| 99 | Omron Corporation | Japan | MEDICAL EQUIPMENT | PDF File |
| 100 | Omtool, Ltd. | United States | TECHNOLOGY | PDF File |
| 101 | OMV Group | Austria | CHEMICALS | PDF File |
| 102 | OMZ Group | Russia | METALS; MINING | PDF File |
| 103 | On Assignment, Inc. | United States | BUSINESS SERVICES | PDF File |
| 104 | ON Semiconductor Corporation | United States | TECHNOLOGY | PDF File |
| 105 | OncoGenex Pharmaceuticals, Inc. | United States | BIOTECHNOLOGY | PDF File |
| 106 | Oncolytics Biotech Inc. | Canada | PHARMACEUTICALS | PDF File |
| 107 | Oncor Electric Delivery Company LLC | United States | UTILITIES | PDF File |
| 108 | Oncothyreon Inc. | United States | BIOTECHNOLOGY | PDF File |
| 109 | OnCure Holdings, Inc. | United States | MEDICAL EQUIPMENT | PDF File |
| 110 | One Liberty Properties, Inc. | United States | FINANCE | PDF File |
| 111 | OneAmerica Financial Partners, Inc | United States | INSURANCE | PDF File |
| 112 | OneBeacon Insurance Group, Ltd. | United States | INSURANCE | PDF File |
| 113 | OneMain Financial | United States | FINANCE | PDF File |
| 114 | ONEOK Partners, L.P. | United States | OIL; GAS | PDF File |
| 115 | ONEOK, Inc. | United States | UTILITIES | PDF File |
| 116 | OneSteel Limited | Australia | METALS; MINING | PDF File |
| 117 | Onet Group | France | BUSINESS SERVICES | PDF File |
| 118 | Onex Corporation | Canada | FINANCE | PDF File |
| 119 | Online Resources Corporation | United States | TECHNOLOGY | PDF File |
| 120 | OnMobile Global Limited | India | TELECOMS | PDF File |
| 121 | Ono Pharmaceutical Co., Ltd. | Japan | PHARMACEUTICALS | PDF File |
| 122 | Ontario Power Generation Inc. | Canada | UTILITIES | PDF File |
| 123 | Ontario Teachers' Pension Plan | Canada | FINANCE | PDF File |
| 124 | Onvia, Inc. | United States | BUSINESS SERVICES | PDF File |
| 125 | OnVista AG | Germany | BUSINESS SERVICES | PDF File |
| 126 | Onyx Pharmaceuticals, Inc. | United States | PHARMACEUTICALS | PDF File |
| 127 | OP-Pohjola Group | Finland | FINANCE | PDF File |
| 128 | OP-TECH Environmental Services, Inc. | United States | BUSINESS SERVICES | PDF File |
| 129 | Open Solutions Inc. | United States | TECHNOLOGY | PDF File |
| 130 | Open Text Corporation | Canada | TECHNOLOGY | PDF File |
| 131 | OpenTV Corp. | United States | TECHNOLOGY | PDF File |
| 132 | Openwave Systems Inc. | United States | TECHNOLOGY | PDF File |
| 133 | Opera Software ASA | Norway | TECHNOLOGY | PDF File |
| 134 | Oplink Communications, Inc. | United States | TECHNOLOGY | PDF File |
| 135 | OPNET Technologies, Inc. | United States | TECHNOLOGY | PDF File |
| 136 | Opnext, Inc. | United States | TELECOMS | PDF File |
| 137 | Oppenheimer Holdings Inc. | United States | FINANCE | PDF File |
| 138 | Optical Cable Corporation | United States | MANUFACTURING | PDF File |
| 139 | Option N.V. | Belgium | TECHNOLOGY | PDF File |
| 140 | Optionable, Inc. | United States | FINANCE | PDF File |
| 141 | optionsXpress Holdings, Inc. | United States | FINANCE | PDF File |
| 142 | Opto Tech Corporation | Taiwan | TELECOMS | PDF File |
| 143 | Oracle Corporation | United States | TECHNOLOGY | PDF File |
| 144 | Oracle Corporation Japan | Japan | TECHNOLOGY | PDF File |
| 145 | Oragenics, Inc. | United States | PHARMACEUTICALS | PDF File |
| 146 | Oranjewoud NV | Netherlands | BUSINESS SERVICES | PDF File |
| 147 | Orascom Construction Industries | Egypt | CONSTRUCTION | PDF File |
| 148 | Orascom Telecom Holding S.A.E. | Egypt | TELECOMS | PDF File |
| 149 | OraSure Technologies, Inc. | United States | MEDICAL EQUIPMENT | PDF File |
| 150 | Orbit International Corp. | United States | AEROSPACE | PDF File |
| 151 | Orbital Sciences Corporation | United States | AEROSPACE | PDF File |
| 152 | Orbitz Worldwide, Inc. | United States | TRANSPORTATION | PDF File |
| 153 | Orbotech Ltd. | Israel | TECHNOLOGY | PDF File |
| 154 | ORC International | United States | BUSINESS SERVICES | PDF File |
| 155 | Orc Software AB | Sweden | TECHNOLOGY | PDF File |
| 156 | Orckit Communications Ltd. | Israel | TECHNOLOGY | PDF File |
| 157 | Orco Property Group S.A. | Luxembourg | BUSINESS SERVICES | PDF File |
| 158 | Ordina N.V. | Netherlands | TECHNOLOGY | PDF File |
| 159 | Ore Holdings Inc. | United States | BIOTECHNOLOGY | PDF File |
| 160 | Orexo AB | Sweden | PHARMACEUTICALS | PDF File |
| 161 | Organizacion Soriana S.A.B. de C.V. | Mexico | RETAIL | PDF File |
| 162 | Organogenesis Inc. | United States | BIOTECHNOLOGY | PDF File |
| 163 | Orica Limited | Australia | CHEMICALS | PDF File |
| 164 | Orient Paper, Inc. | China | MANUFACTURING | PDF File |
| 165 | Orient-Express Hotels Ltd. | Bermuda | LEISURE | PDF File |
| 166 | Oriental Bank of Commerce | India | FINANCE | PDF File |
| 167 | Oriental Financial Group Inc. | Puerto Rico | FINANCE | PDF File |
| 168 | Oriental Land Co., Ltd. | Japan | LEISURE | PDF File |
| 169 | Oriflame Cosmetics S.A. | Luxembourg | COSMETICS; TOILETERIES | PDF File |
| 170 | Origin Agritech Limited | China | AGRICULTURE | PDF File |
| 171 | Origin Energy Limited | Australia | UTILITIES | PDF File |
| 172 | Origio a/s | Denmark | BIOTECHNOLOGY | PDF File |
| 173 | Orion Corp. | Korea, South | MEDIA | PDF File |
| 174 | Orion Corporation | Finland | PHARMACEUTICALS | PDF File |
| 175 | Orion Energy Systems, Inc. | United States | MANUFACTURING | PDF File |
| 176 | Orion Marine Group, Inc. | United States | CONSTRUCTION | PDF File |
| 177 | Oritani Financial Corp. | United States | FINANCE | PDF File |
| 178 | ORIX Corporation | Japan | FINANCE | PDF File |
| 179 | Orkla ASA | Norway | FOOD | PDF File |
| 180 | Orkla Brands | Norway | FOOD | PDF File |
| 181 | Orleans Homebuilders, Inc. | United States | CONSTRUCTION | PDF File |
| 182 | Ormat Technologies, Inc. | United States | TECHNOLOGY | PDF File |
| 183 | OrotonGroup Ltd. | Australia | RETAIL | PDF File |
| 184 | Orpea SA | France | HEALTHCARE | PDF File |
| 185 | Orrstown Financial Services, Inc. | United States | FINANCE | PDF File |
| 186 | Orthofix International N.V. | Netherlands | HEALTHCARE | PDF File |
| 187 | Orthometrix, Inc. | United States | MEDICAL EQUIPMENT | PDF File |
| 188 | Osaka Gas Co., Ltd. | Japan | UTILITIES | PDF File |
| 189 | Oshkosh Corporation | United States | AUTOMOTIVE | PDF File |
| 190 | OSI Pharmaceuticals, Inc. | United States | PHARMACEUTICALS | PDF File |
| 191 | OSI Restaurant Partners, Inc. | United States | LEISURE | PDF File |
| 192 | OSI Systems, Inc. | United States | TECHNOLOGY | PDF File |
| 193 | Osim International Ltd. | Singapore | RETAIL | PDF File |
| 194 | Osotspa Co., Ltd. | Thailand | DRINKS | PDF File |
| 195 | Osram GmbH | Germany | MANUFACTURING | PDF File |
| 196 | Otelco Inc. | United States | TELECOMS | PDF File |
| 197 | Otis Elevator Company | United States | ENGINEERING | PDF File |
| 198 | Otor S.A. | France | PAPER; PRINTING | PDF File |
| 199 | OTRUM ASA | Norway | TECHNOLOGY | PDF File |
| 200 | Otsuka Pharmaceutical Co., Ltd. | Japan | PHARMACEUTICALS | PDF File |
| 201 | Otter Tail Corporation | United States | UTILITIES | PDF File |
| 202 | Otto (GmbH & Co KG) | Germany | RETAIL | PDF File |
| 203 | Ottogi Corporation | Korea, South | FOOD | PDF File |
| 204 | OurPet's Company | United States | RETAIL | PDF File |
| 205 | Outdoor Channel Holdings, Inc. | United States | MEDIA | PDF File |
| 206 | Outokumpu Oyj | Finland | METALS; MINING | PDF File |
| 207 | Outotec Oyj | Finland | METALS; MINING | PDF File |
| 208 | Overhill Farms, Inc. | United States | FOOD | PDF File |
| 209 | Overland Storage, Inc. | United States | TECHNOLOGY | PDF File |
| 210 | Overseas Shipholding Group, Inc. | United States | TRANSPORTATION | PDF File |
| 211 | Overstock.com, Inc. | United States | RETAIL | PDF File |
| 212 | Owens & Minor, Inc. | United States | HEALTHCARE | PDF File |
| 213 | Owens Corning | United States | CONSTRUCTION | PDF File |
| 214 | Owens Group Limited | New Zealand | TRANSPORTATION | PDF File |
| 215 | Owens-Illinois, Inc. | United States | PACKAGING | PDF File |
| 216 | Oxagen Limited | United Kingdom | BIOTECHNOLOGY | PDF File |
| 217 | Oxbow Corporation | United States | CHEMICALS | PDF File |
| 218 | Oxfam America, Inc. | United States | RETAIL | PDF File |
| 219 | Oxford Bank Corporation | United States | FINANCE | PDF File |
| 220 | Oxford BioMedica Plc | United Kingdom | PHARMACEUTICALS | PDF File |
| 221 | Oxford Industries, Inc. | United States | RETAIL | PDF File |
| 222 | Oxford Instruments plc | United Kingdom | BIOTECHNOLOGY | PDF File |
| 223 | Oxford Resource Partners, LP | United States | UTILITIES | PDF File |
| 224 | OXiGENE, Inc. | United States | BIOTECHNOLOGY | PDF File |
| 225 | OXIS International, Inc. | United States | PHARMACEUTICALS | PDF File |
| 226 | Oy Sinebrychoff Ab | Finland | DRINKS | PDF File |
| 227 | OYL Group | Malaysia | ENGINEERING | PDF File |
| 228 | OYO Geospace Corporation | United States | TECHNOLOGY | PDF File |
| 229 | OZ Minerals Limited | Australia | METALS; MINING | PDF File |
