top 250 global energy companies Return on Industry Revenues invested capital 3-year (GICS 2009 Company State or country $ million Rank $ million Rank $ million Rank $ million Rank CGR% code) Exxon Mobil Corp Chevron Corp Royal Dutch Shell plc Petrobras Rosneft Oil Company Gazprom Oao Petrochina Co Ltd StatoilHydro LUKOIL Oil Company TNK-BP Holdings Occidental Petroleum Corp California Encana Corp BG Group plc EDF Energy Marathon Oil Corp CNOOC Ltd Repsol YPF SA China Petroleum & Chemical Corp China Gazprom Neft Reliance Industries Ltd Oil & Natural Gas Corp Ltd India Hess Corp Surgutneftegas Oao Ecopetrol SA Imperial Oil Ltd Indian Oil Corp Ltd Exelon Corp Husky Energy Inc Iberdrola SA Petro-Canada Endesa SA Anadarko Petroleum Corp Texas China Shenhua Energy Co Ltd China Vattenfall Canadian Natural Resources Canada Sasol Ltd Murphy Oil Corp Suncor Energy Inc Dominion Resources Inc
Notes: C&CF = coal and combustible fuels, DNR = data not reported, DU = diversifi ed utility, E&P = exploration and production, EU = electric utility, GU = gas utility, IOG = integrated oil and gas, IPP = independent
power producer and energy trader, R&M = refi ning and marketing, S&T = storage and transfer. 50 insight November 2009 top 250 global energy companies Return on Industry Revenues invested capital 3-year (GICS 2009 Company State or country $ million Rank $ million Rank $ million Rank $ million Rank CGR% code) FPL Group Inc Eletrobras Talisman Energy Inc Gas Natural Sdg SA TonenGeneral Sekiyu Corp Japan Southern Co National Grid Sunoco Inc MidAmerican Energy Holdings Iowa EOG Resources Inc Fortum OYJ FirstEnergy Corp Transneft OJSC Union Fenosa SA American Electric Power Co Inc Ohio PG&E Corp Edison International XTO Energy Inc Williams Companies Inc Oklahoma Entergy Corp SK Energy Co Ltd Inpex Corp Duke Energy Corp Public Service Enterprise Group Inc New Jersey Kinder Morgan Energy Partners LP Texas Nexen Inc Sempra Energy Enbridge Inc Suez Environnement SA Woodside Petroleum Ltd CLP Holdings Consolidated Edison Inc Mol Hungarian Oil Veolia Environnement TransCanada Corp Noble Energy Inc Enersis SA Peabody Energy Corp NRG Energy Inc Acciona SA Bharat Petroleum Co Ltd China Coal Energy Co Spectra Energy Corp 100 Alpiq Holding AG
Notes: C&CF = coal and combustible fuels, DNR = data not reported, DU = diversifi ed utility, E&P = exploration and production, EU = electric utility, GU = gas utility, IOG = integrated oil and gas, IPP = independent
power producer and energy trader, R&M = refi ning and marketing, S&T = storage and transfer.
November 2009 insight 51 top 250 global energy companies Return on Industry Revenues invested capital 3-year (GICS 2009 Company State or country $ million Rank $ million Rank $ million Rank $ million Rank CGR% code) 101 Mirant Corp 102 PTT Exploration & Production Thailand 103 International Power plc 105 CEMIG 106 Energy Transfer Partners LP Texas 107 Plains Al American Pipeline LP Texas 108 Progress Energy Inc 109 Apache Corp 110 Canadian Oil Sands Trust Canada 111 Chesapeake Energy Corp Oklahoma 112 Distrigas SA 113 Formosa Petrochemical 114 Xcel Energy Inc 115 Santos Ltd 116 Tokyo Electric Power Co Inc Japan 117 ConocoPhillips 118 Penn West Energy Trust 119 CEPSA 120 S-Oil Corp 121 Kyushu Electric Power Co Inc Japan 122 Edison SpA 123 Tenaga Nasional Bhd 124 Yanzhou Coal Mining Co Ltd China 125 Kansai Electric Power Co Japan 126 Addax Petroleum Corp 127 Scottish & Southern Energy United Kingdom 128 Ameren Corp 129 ONEOK Partners LP 130 Endesa 131 CONSOL Energy Inc 132 Tupras 133 DTE Energy Co 134 Tokyo Gas Co Ltd 135 Chubu Electric Power Co Inc Japan 136 Nippon Oil Corp 137 CPFL Energia SA 138 Valero Energy Corp 139 Hongkong Electric Holdings Ltd Hong Kong 140 KEPCO 141 Questar Corp 142 Enterprise GP Holdings LP 143 Eletropaulo 144 CenterPoint Energy Inc 145 Centrica plc 146 PT Bumi Resources Tbk 147 Hindustan Petroleum Corp Ltd India 148 Gail (India) Ltd 149 ONEOK Inc 150 Tesoro Corp
Notes: C&CF = coal and combustible fuels, DNR = data not reported, DU = diversifi ed utility, E&P = exploration and production, EU = electric utility, GU = gas utility, IOG = integrated oil and gas, IPP = independent
power producer and energy trader, R&M = refi ning and marketing, S&T = storage and transfer. 52 insight November 2009 top 250 global energy companies Return on Industry Revenues invested capital 3-year (GICS 2009 Company State or country $ million Rank $ million Rank $ million Rank $ million Rank CGR% code) 151 Novatek Oao 152 Idemitsu Kosan Co Ltd 153 Tohoku Electric Power Co Inc Japan 154 Drax Group 155 NiSource Inc 156 A2A SpA 157 Snam Rete Gas SpA 158 Korea Gas Corp 159 Osaka Gas Co Ltd 160 Enerplus Resources Fund Canada 161 Frontline Ltd 162 Linn Energy LLC 163 Enbridge Energy Partners LP Texas 164 GS Holdings Corp 165 Saudi Electricity Co 166 Southwestern Energy Co Texas 167 Abu Dhabi National Energy Co United Arab Emirates EMEA 168 Tractebel Energia SA 169 SNP Petrom 170 Pepco Holdings Inc 171 Nippon Mining Hldgs Inc Japan 172 OAO Tatneft 173 Iberdrola Renewables SA Spain 174 COPEL 175 Devon Energy Corp 176 PKN ORLEN 177 China Yangtze Power Co 178 Chugoku Electric Power Co Japan 179 Galp Energia SGPS SA 180 Cosmo Oil Co Ltd 181 Hong Kong & China Gas Co Ltd Hong Kong 182 Wisconsin Energy Corp 183 SCANA Corp 185 Constellation Energy Group Inc Maryland 186 Showa Shell Sekiyu KK 187 CMS Energy Corp 188 Allegheny Energy Inc 189 Gasunie 190 Cheung Kong Infrastructure Bermuda 191 Integrys Energy Group Inc Illinois 193 Arc Energy Trust 194 Arch Coal Inc 195 Shikoku Electric Power Co Japan 196 Polish Oil And Gas Co 197 MDU Resources Group Inc North Dakota 198 Encore Acquisition Co 199 Terna SpA 200 Cameco Corp
Notes: C&CF = coal and combustible fuels, DNR = data not reported, DU = diversifi ed utility, E&P = exploration and production, EU = electric utility, GU = gas utility, IOG = integrated oil and gas, IPP = independent
power producer and energy trader, R&M = refi ning and marketing, S&T = storage and transfer.
November 2009 insight 53 top 250 global energy companies Return on Industry Revenues invested capital 3-year (GICS 2009 Company State or country $ million Rank $ million Rank $ million Rank $ million Rank CGR% code) 201 Origin Energy Ltd 202 Ultrapar Participacoes SA Brazil 203 Electric Power Development Co Japan 204 Denbury Resources Inc 205 Red Electrica Corp SA 206 Northeast Utilities 207 Calpine Corp 208 AES Elpa SA 209 Huaneng Power International China 210 Neste Oil Oyj 211 United Utilities Group plc United Kingdom 212 Tullow Oil plc 213 Alliant Energy Corp 214 Acea SpA 215 Energen Corp 216 Canadian Utilities 217 Datang Power 218 Eskom 219 TEPPCO Partners LP 220 Enagas SA 221 UGI Corp 222 Pengrowth Energy Trust 223 Overseas Shipholding Group Inc New York 224 MVV Energie AG 225 Range Resources Corp 226 National Fuel Gas Co 227 NuStar Energy LP 228 NSTAR 229 Southern Union Co 230 AGL Energy 231 Nicor Inc 232 OGE Energy Corp 233 AGL Resources Inc 234 Hokuriku Electric Power Co Japan 235 Hellenic Petroleum SA 236 Petrobras Energia SA 237 Atmos Energy Corp 239 Reliance Infrastructure Ltd India 240 Pinnacle West Capital Corp Arizona 241 EQT Corp 242 Dynegy Inc 243 China Resources Power Holdings Hong Kong 244 PowerGrid Corp Of India 245 NV Energy Inc 246 Fortis Inc 247 Hera SpA 248 Atco Ltd 249 Pioneer Natural Resources Co Texas 250 Transalta Corp
Notes: C&CF = coal and combustible fuels, DNR = data not reported, DU = diversifi ed utility, E&P = exploration and production, EU = electric utility, GU = gas utility, IOG = integrated oil and gas, IPP = independent
power producer and energy trader, R&M = refi ning and marketing, S&T = storage and transfer. 54 insight November 2009
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ENDODONTICOEstratto dal Vol. 2 n° 1, 1998l’otturazione retrograda: quali sono gli obiettivi da raggiungere per ottenere il successo in Endodonzia ChirurgicaParte II L’apicectomia e l’otturazione retrograda: Quali sono gli obiettivi da raggiungere per ottenere il successo in Endodonzia Chirurgica. (Parte II) La prima parte di questa serie di articoliscio di acido arachidonico che