$USD
$USD

Largest Energy Companies by Market Cap (April 2025)

As of April 16, 2025, we have calculated the total market capitalization of 707 publicly traded Energy companies, amounting to $9.332 trillion.
$9.332 T
Energy Market Cap 0.31%
$3382899874.0
24h Trading Volume

According to our market capitalization data, Saudi Aramco (2222.SR) reached a market cap of $1.658 trillion, securing the top spot among global Energy companies. Exxon Mobil (XOM) and Chevron (CVX) follow closely behind. The data was last updated on April 16, 2025.

Rank Name Market Cap Price MCap(30D) MCap(1Y) Country
1
saudi-aramco logo
Saudi Aramco
2222.SR
$1.658 T $6.85
0.00%
-5.7%
Saudi Arabia
2
exxon-mobil logo
Exxon Mobil
XOM
$445.94 B $103.10
-9.3%
-10.2%
United States
3
chevron logo
Chevron
CVX
$235.00 B $134.54
-16.3%
-10.3%
United States
4
petro-china logo
PetroChina
601857.SS
$190.67 B $1.09
0.00%
-20.1%
China
5
shell logo
Shell
SHEL
$187.11 B $62.78
0.00%
-4.6%
United Kingdom
6
fomento-economico-mexicano-sab-de-cv logo
Fomento Economico Mexicano SAB de CV
FEMSAUB.MX
$147.19 B $7.70
0.00%
-11.1%
Mexico
7
nextera-energy logo
Nextera Energy
NEE
$139.28 B $67.66
-4.3%
9.1%
United States
8
totalenergies logo
TotalEnergies
TTE
$125.73 B $56.67
0.00%
-17.5%
France
9
iberdrola logo
Iberdrola
IBE.MC
$109.28 B $17.29
0.00%
24.7%
Spain
10
conocophillips logo
ConocoPhillips
COP
$108.36 B $85.72
-14.7%
-31.3%
United States
11
china-shenhua-energy logo
China Shenhua Energy
601088.SS
$102.72 B $5.39
0.00%
-3.3%
China
12
southern-company logo
Southern Company
SO
$100.14 B $91.02
0.88%
34.9%
United States
13
enbridge logo
Enbridge
ENB
$96.49 B $44.28
0.00%
40.2%
Canada
14
cnooc logo
CNOOC
0883.HK
$94.51 B $2.12
0.00%
7.0%
China
15
duke-energy logo
Duke Energy
DUK
$93.62 B $120.49
-0.22%
32.4%
United States
16
ge-vernova logo
GE Vernova
GEV
$89.81 B $328.56
3.0%
144.0%
United States
17
sinopec logo
Sinopec
600028.SS
$88.22 B $0.78
0.00%
-2.5%
China
18
enel logo
Enel
ENEL.MI
$83.10 B $8.18
0.00%
25.4%
Italy
19
williams-companies logo
Williams Companies
WMB
$71.46 B $58.54
0.24%
61.7%
United States
20
bp logo
BP
BP
$71.24 B $27.21
0.00%
-15.5%
United Kingdom
21
petrobras logo
Petrobras
PBR
$70.35 B $11.27
0.00%
10.8%
Brazil
22
national-grid logo
National Grid
NGG
$69.52 B $70.98
0.00%
-7.5%
United Kingdom
23
enterprise-products logo
Enterprise Products
EPD
$66.99 B $30.93
-8.5%
16.8%
United States
24
constellation-energy logo
Constellation Energy
CEG
$65.30 B $208.42
-1.2%
13.2%
United States
25
acwa-power logo
ACWA POWER Company
2082.SR
$64.09 B $87.54
0.00%
-6.6%
Saudi Arabia
26
equinor logo
Equinor
EQNR
$62.42 B $23.06
0.00%
-8.3%
Norway
27
kinder-morgan logo
Kinder Morgan
KMI
$60.48 B $27.22
-1.1%
61.3%
United States
28
eog-resources logo
EOG Resources
EOG
$59.28 B $107.48
-12.3%
-17.1%
United States
29
energy-transfer-partners logo
Energy Transfer Partners
ET
$58.71 B $17.11
-8.4%
21.0%
United States
30
canadian-natural-resources logo
Canadian Natural Resources
CNQ
$57.41 B $27.35
0.00%
-18.5%
Canada
31
american-electric-power logo
American Electric Power
AEP
$56.97 B $106.68
0.65%
36.4%
United States
32
gazprom logo
Gazprom
GAZP.ME
$56.20 B $2.38
0.00%
0.00%
Russia
33
lg-energy-solution logo
LG Energy Solution
373220.KS
$56.14 B $239.90
0.00%
-3.8%
South Korea
34
oneok logo
Oneok
OKE
$52.57 B $84.16
-14.1%
13.3%
United States
35
mplx logo
MPLX
MPLX
$51.26 B $50.13
0.00%
45.8%
United States
36
engie logo
ENGIE
ENGI.PA
$50.74 B $20.88
0.00%
9.4%
France
37
cheniere-energy logo
Cheniere Energy
LNG
$50.57 B $226.95
0.00%
37.5%
United States
38
tc-energy logo
TC Energy
TRP
$50.49 B $48.58
0.00%
38.2%
Canada
39
siemens-energy logo
Siemens Energy
ENR.F
$50.48 B $63.82
0.00%
260.1%
Germany
40
schlumberger logo
Schlumberger
SLB
$45.91 B $33.76
-17.9%
-31.8%
United States
41
sempra-energy logo
Sempra Energy
SRE
$45.78 B $70.22
0.16%
6.7%
United States
42
dominion-energy logo
Dominion Energy
D
$45.74 B $53.67
0.00%
19.2%
United States
43
e-on logo
E.ON
EOAN.DE
$45.45 B $16.95
0.00%
-0.94%
Germany
44
pseg logo
PSEG
PEG
$41.64 B $83.53
0.00%
31.9%
United States
45
suncor-energy logo
Suncor Energy
SU
$41.19 B $33.29
0.00%
4.4%
Canada
46
eni logo
ENI
E
$40.88 B $26.76
0.00%
-5.0%
Italy
47
glencore logo
Glencore
GLCNF
$40.71 B $3.38
0.00%
-22.5%
Switzerland
48
ntpc-limited logo
NTPC Limited
NTPC.NS
$40.59 B $4.19
0.00%
-10.4%
India
49
xcel-energy logo
Xcel Energy
XEL
$40.48 B $70.27
0.00%
29.2%
United States
50
consolidated-edison logo
Consolidated Edison
ED
$40.27 B $111.81
0.00%
9.8%
United States
51
rosneft logo
Rosneft
ROSN.ME
$40.05 B $4.22
0.00%
0.00%
Russia
52
vistra logo
Vistra
VST
$39.37 B $115.75
0.00%
146.9%
United States
53
hess logo
Hess
HES
$39.35 B $127.21
-16.8%
-14.5%
United States
54
phillips-66 logo
Phillips 66
PSX
$39.20 B $96.21
-25.1%
-36.7%
United States
55
chandra-asri-petrochemical logo
Chandra Asri Petrochemical
TPIA.JK
$38.60 B $0.45
0.00%
7.0%
Indonesia
56
grupo-mexico-sab-de-cv logo
Grupo Mexico SAB de CV
GMEXICOB.MX
$38.20 B $4.91
0.00%
6.1%
Mexico
57
marathon-petroleum logo
Marathon Petroleum
MPC
$38.08 B $122.23
-16.3%
-38.3%
United States
58
baker-hughes logo
Baker Hughes
BKR
$37.79 B $38.16
0.00%
50.8%
United States
59
pacific-gas-and-electric logo
Pacific Gas and Electric
PCG
$37.71 B $17.16
-0.09%
4.8%
United States
60
diamondback-energy logo
Diamondback Energy
FANG
$37.39 B $127.14
0.00%
-17.4%
United States
61
occidental-petroleum logo
Occidental Petroleum
OXY
$37.11 B $37.80
-20.7%
-41.7%
United States
62
targa-resources logo
Targa Resources
TRGP
$36.56 B $168.04
0.00%
87.3%
United States
63
entergy logo
Entergy
ETR
$35.95 B $83.46
0.00%
66.5%
United States
64
novatek logo
Novatek
NVTK.ME
$35.71 B $11.92
0.00%
0.00%
Russia
65
dubai-electricity-and-water-authority logo
Dubai Electricity and Water Authority (DEWA)
DEWA.AE
$35.39 B $0.71
0.00%
18.0%
United Arab Emirates
66
oil-and-natural-gas logo
Oil & Natural Gas
ONGC.NS
$35.25 B $2.80
0.00%
-1.9%
India
67
wec-energy logo
WEC Energy Group
WEC
$34.54 B $108.26
0.00%
30.7%
United States
68
valero logo
Valero Energy
VLO
$33.82 B $107.55
-18.5%
-33.8%
United States
69
imperial-oil logo
Imperial Oil
IMO
$31.03 B $60.95
0.00%
-1.3%
Canada
70
lukoil logo
Lukoil
LKOH.ME
$30.53 B $46.95
0.00%
0.00%
Russia
71
eqt-corporation logo
EQT Corporation
EQT
$30.31 B $50.74
0.00%
50.4%
United States
72
endesa logo
Endesa
ELE.MC
$30.20 B $28.56
0.00%
29.8%
Spain
73
cheniere-energy-partners logo
Cheniere Energy Partners
CQP
$28.96 B $59.82
0.00%
43.1%
United States
74
coal-india logo
Coal India
COALINDIA.NS
$28.68 B $4.65
0.00%
-11.8%
India
75
novonesis-a-s logo
Novonesis A/S
NSIS-B.CO
$28.60 B $61.37
0.00%
7.3%
Denmark
76
rwe logo
RWE
RWE.DE
$28.20 B $38.14
0.00%
-8.0%
Germany
77
cez-group logo
ČEZ Group
CEZ.PR
$27.76 B $51.71
0.00%
21.2%
Czech Republic
78
dte-energy logo
DTE Energy
DTE
$27.58 B $132.92
0.00%
20.6%
United States
79
naturgy logo
Naturgy
NTGY.MC
$27.26 B $28.37
0.00%
11.7%
Spain
80
ameren logo
Ameren
AEE
$26.75 B $99.03
0.00%
38.5%
United States
81
ptt-pcl logo
PTT PCL
PTT-R.BK
$26.76 B $0.97
0.00%
0.00%
Thailand
82
ppl logo
PPL
PPL
$26.14 B $35.37
0.00%
32.8%
United States
83
verbund logo
Verbund AG
OEWA.F
$26.00 B $73.87
0.00%
0.45%
Austria
84
adani-power logo
Adani Power
ADANIPOWER.NS
$24.46 B $6.34
0.00%
-10.2%
India
85
centerpoint-energy logo
CenterPoint Energy
CNP
$24.26 B $37.16
0.00%
19.4%
United States
86
fortis logo
Fortis
FTS
$23.77 B $47.39
0.00%
21.4%
Canada
87
firstenergy logo
FirstEnergy
FE
$23.69 B $41.04
0.00%
11.0%
United States
88
woodside-energy logo
Woodside Energy
WDS
$23.64 B $12.45
0.00%
-14.3%
Australia
89
sse logo
SSE
SSE.L
$23.54 B $2141.01
0.00%
-1.2%
United Kingdom
90
indian-oil logo
Indian Oil
IOC.NS
$21.98 B $1.56
0.00%
-21.9%
India
91
edison-international logo
Edison International
EIX
$21.91 B $56.90
0.00%
-24.0%
United States
92
cms-energy logo
CMS Energy
CMS
$21.75 B $72.71
0.00%
21.6%
United States
93
enbw-energie logo
EnBW Energie
EBK.DE
$21.55 B $79.57
0.00%
-0.65%
Germany
94
pembina-pipeline logo
Pembina Pipeline
PBA
$21.50 B $37.03
0.00%
10.2%
Canada
95
hydro-one logo
Hydro One
H.TO
$21.38 B $35.67
0.00%
22.2%
Canada
96
eversource-energy logo
Eversource Energy
ES
$21.28 B $57.98
0.00%
7.0%
United States
97
clp-group logo
CLP Group
0002.HK
$20.99 B $8.31
0.00%
9.8%
Hong Kong
98
cenovus-energy logo
Cenovus Energy
CVE
$20.66 B $11.33
0.00%
-27.0%
Canada
99
gulf-energy-development-public-company logo
Gulf Energy Development Public Company
GULF.BK
$20.11 B $1.35
0.00%
33.3%
Thailand
100
tenaga-nasional logo
Tenaga Nasional
TNABY
$19.44 B $13.38
0.00%
45.9%
Malaysia
101
coterra-energy logo
Coterra Energy
CTRA
$19.35 B $25.32
0.00%
7.2%
United States
102
pkn-orlen logo
PKN Orlen
PKN.WA
$19.33 B $16.65
0.00%
-4.4%
Poland
103
uniper logo
Uniper
UN0.DE
$19.30 B $46.34
0.00%
-13.4%
Germany
104
terna logo
Terna
TRN.MI
$19.06 B $9.50
0.00%
11.8%
Italy
105
nisource logo
NiSource
NI
$18.57 B $39.47
0.00%
45.1%
United States
106
devon-energy logo
Devon Energy
DVN
$18.50 B $28.53
0.00%
-32.0%
United States
107
halliburton logo
Halliburton
HAL
$18.32 B $21.25
0.00%
-30.6%
United States
108
snam logo
Snam
SRG.MI
$18.23 B $5.43
0.00%
12.0%
Italy
109
ørsted-a-s logo
Ørsted A/S
ORSTED.CO
$18.19 B $43.29
0.00%
-20.9%
Denmark
110
ecopetrol logo
Ecopetrol
EC
$18.11 B $8.81
0.00%
-4.4%
111
cameco logo
Cameco
CCJ
$17.77 B $40.81
0.00%
3.3%
Canada
112
adani-green-energy logo
Adani Green Energy
ADANIGREEN.NS
$17.49 B $11.04
0.00%
-43.3%
India
113
saudi-electricity logo
Saudi Electricity
5110.SR
$16.63 B $3.99
0.00%
-10.5%
Saudi Arabia
114
hong-kong-and-china-gas logo
Hong Kong and China Gas
0003.HK
$16.45 B $0.88
0.00%
14.8%
Hong Kong
115
tourmaline-oil logo
Tourmaline Oil
TOU.TO
$16.29 B $43.52
0.00%
7.9%
Canada
116
sungrow-power-supply logo
Sungrow Power Supply
300274.SZ
$16.11 B $7.69
0.00%
1.5%
China
117
marathon-oil logo
Marathon Oil
MRO
$15.97 B $28.55
0.00%
4.4%
United States
118
centrais-electricas-brasileiras logo
Centrais Electricas Brasileiras
EBR
$15.83 B $7.14
0.00%
-8.6%
Brazil
119
alliant-energy logo
Alliant Energy
LNT
$15.82 B $61.60
0.00%
28.1%
United States
120
longi-green-energy-tech logo
LONGi Green Energy Technology
601012.SS
$15.70 B $2.05
0.00%
-14.4%
China
121
omv logo
OMV
OMV.F
$15.66 B $47.86
0.00%
0.27%
Austria
122
evergy logo
Evergy
EVRG
$15.61 B $67.87
0.00%
34.6%
United States
123
bharat-petroleum logo
Bharat Petroleum
BPCL.NS
$14.88 B $3.48
0.00%
-5.4%
India
124
inpex logo
Inpex
1605.T
$14.79 B $12.35
0.00%
-14.9%
Japan
125
yankuang-energy logo
Yankuang Energy (Yanzhou Coal Mining)
600188.SS
$14.74 B $1.76
0.00%
-25.3%
China
126
edp-group logo
EDP Group
EDP.F
$14.71 B $3.53
0.00%
-14.1%
Portugal
127
western-midstream logo
Western Midstream
WES
$14.69 B $38.53
0.00%
29.1%
United States
128
tata-power logo
Tata Power
TATAPOWER.NS
$14.19 B $4.44
0.00%
-16.6%
India
129
gail logo
GAIL
GAIL.NS
$14.16 B $2.15
0.00%
-13.6%
India
130
ypf logo
YPF (Yacimientos Petrolíferos Fiscales)
YPF
$14.11 B $31.84
0.00%
91.2%
Argentina
131
avangrid logo
Avangrid
AGR
$13.94 B $36.02
0.00%
3.7%
United States
132
first-solar logo
First Solar
FSLR
$13.60 B $126.82
0.00%
-8.5%
United States
133
fortum logo
Fortum
FORTUM.HE
$13.56 B $15.11
0.00%
23.5%
Finland
134
vestas-wind-systems logo
Vestas Wind Systems
VWS.CO
$13.46 B $13.46
0.00%
-44.5%
Denmark
135
huaneng-power logo
Huaneng Power
600011.SS
$13.46 B $0.97
0.00%
-34.8%
China
136
ypf-sociedad-anónima logo
YPF Sociedad Anónima
YPFD.BA
$13.35 B $33.94
0.00%
104.7%
Argentina
137
brookfield-renewable-partners logo
Brookfield Renewable Partners
BEP
$13.21 B $21.22
0.00%
13.8%
138
aker-bp logo
Aker BP
AKRBP.OL
$12.91 B $20.46
0.00%
-7.2%
Norway
139
repsol logo
Repsol
REP.MC
$12.76 B $11.13
0.00%
-13.6%
Spain
140
kepco logo
KEPCO
9503.T
$12.57 B $11.19
0.00%
-26.6%
Japan
141
adani-energy-solutions logo
Adani Energy Solutions
ADANIENSOL.NS
$12.57 B $10.46
0.00%
-25.7%
India
142
tokyo-gas logo
Tōkyō Gas
9531.T
$12.55 B $32.45
0.00%
12.4%
Japan
143
china-resources-power-holdings logo
China Resources Power Holdings
0836.HK
$12.35 B $2.38
0.00%
-4.3%
Hong Kong
144
eneos-holdings logo
ENEOS Holdings
5020.T
$12.34 B $4.59
0.00%
13.1%
Japan
145
plains-all-american-pipeline logo
Plains All American Pipeline
PAA
$12.29 B $17.46
0.00%
22.3%
United States
146
ptt-exploration-and-production logo
PTT Exploration and Production
PTTEP.BK
$11.99 B $3.02
0.00%
-19.8%
Thailand
147
red-electrica logo
Red Eléctrica
RED.MC
$11.65 B $21.57
0.00%
12.3%
Spain
148
eve-energy logo
EVE Energy
300014.SZ
$11.43 B $5.49
0.00%
20.6%
China
149
santos logo
Santos
STO.AX
$11.31 B $3.48
0.00%
-9.1%
Australia
150
pinnacle-west-capital logo
Pinnacle West Capital
PNW
$11.24 B $94.27
0.00%
27.4%
United States
151
surgutneftegas logo
Surgutneftegas
SNGS.ME
$11.15 B $0.31
0.00%
0.00%
Russia
152
origin-energy logo
Origin Energy
ORG.AX
$11.10 B $6.44
0.00%
10.7%
Australia
153
tatneft logo
Tatneft
TATN.ME
$11.00 B $4.92
0.00%
0.00%
Russia
154
elia-group logo
Elia Group
ELI.BR
$10.96 B $100.49
0.00%
-30.4%
Belgium
155
galp-energia logo
Galp Energia
GZ5.F
$10.95 B $14.65
0.00%
-2.8%
Portugal
156
korea-electric-power logo
Korea Electric Power
KEP
$10.92 B $8.50
0.00%
2.5%
South Korea
157
arc-resources logo
ARC Resources
ARX.TO
$10.84 B $18.46
0.00%
8.5%
Canada
158
chesapeake-energy logo
Chesapeake Energy
CHK
$10.70 B $97.98
0.00%
14.7%
United States
159
technipfmc logo
TechnipFMC
FTI
$10.55 B $25.08
0.00%
28.8%
United Kingdom
160
formosa-petrochemical logo
Formosa Petrochemical
6505.TW
$10.51 B $1.10
0.00%
-44.0%
Taiwan
161
doosan-enerbility logo
Doosan Enerbility
034020.KS
$10.46 B $16.33
0.00%
111.6%
South Korea
162
jsw-energy logo
JSW Energy
JSWENERGY.NS
$10.36 B $5.94
0.00%
-12.5%
India
163
enel-americas logo
Enel Américas
ENELAM.SN
$10.12 B $0.09
0.00%
-2.7%
Chile
164
murphy-usa logo
Murphy USA
MUSA
$10.13 B $511.52
0.00%
16.5%
United States
165
sk-innovation logo
SK Innovation
096775.KS
$9.96 B $46.02
0.00%
5.8%
South Korea
166
bkw-ag logo
BKW AG
BKW.SW
$9.94 B $188.32
0.00%
11.3%
Switzerland
167
centrica logo
Centrica
CNA.L
$9.78 B $197.82
0.00%
4.4%
United Kingdom
168
dt-midstream logo
DT Midstream
DTM
$9.71 B $95.58
0.00%
67.1%
United States
169
kazatomprom logo
Kazatomprom
0ZQ.F
$9.62 B $31.08
0.00%
9.5%
170
hindustan-petroleum logo
Hindustan Petroleum
HINDPETRO.NS
$9.62 B $4.52
0.00%
20.7%
India
171
sociedad-quimica-y-minera-de-chile-sa logo
Sociedad Quimica y Minera de Chile SA
SQM-A.SN
$9.54 B $32.85
0.00%
-22.4%
Chile
172
edison logo
Edison
EDNR.MI
$9.51 B $2.06
0.00%
41.5%
Italy
173
torrent-power logo
Torrent Power
TORNTPOWER.NS
$9.44 B $18.72
0.00%
-8.6%
India
174
talen-energy logo
Talen Energy
TLN
$9.24 B $202.93
0.00%
156.1%
United States
175
oge-energy logo
OGE Energy
OGE
$9.02 B $44.78
0.00%
34.3%
United States
176
permian-resources logo
Permian Resources
PR
$8.92 B $11.02
0.00%
-11.5%
United States
177
edp-renovaveis logo
EDP Renováveis
EDPR.LS
$8.89 B $8.55
0.00%
-31.2%
Spain
178
meridian-energy logo
Meridian Energy
MEZ.AX
$8.75 B $3.36
0.00%
7.2%
New Zealand
179
chubu-electric-power logo
Chubu Electric Power
9502.T
$8.70 B $11.42
0.00%
-16.8%
Japan
180
enn-energy logo
ENN Energy
2688.HK
$8.52 B $7.67
0.00%
-12.7%
China
181
altagas logo
AltaGas
ALA.TO
$8.46 B $28.38
0.00%
21.3%
Canada
182
hess-midstream logo
Hess Midstream
HESM
$8.42 B $36.92
0.00%
26.7%
United States
183
ovintiv logo
Ovintiv
OVV
$8.38 B $32.20
0.00%
-12.2%
United States
184
viper-energy-partners logo
Viper Energy Partners
VNOM
$8.35 B $38.12
0.00%
35.5%
United States
185
nvent-electric logo
nVent Electric
NVT
$8.32 B $50.52
0.00%
-2.8%
United Kingdom
186
kunlun-energy-company logo
Kunlun Energy Company
0135.HK
$8.29 B $0.96
0.00%
13.3%
Hong Kong
187
antero-midstream logo
Antero Midstream
AM
$8.01 B $16.73
0.00%
25.8%
United States
188
range-resources logo
Range Resources
RRC
$8.01 B $33.34
0.00%
15.2%
United States
189
southwestern-energy logo
Southwestern Energy
SWN
$7.84 B $7.11
0.00%
-2.2%
United States
190
adani-total-gas logo
Adani Total Gas
ATGL.NS
$7.82 B $7.10
0.00%
-27.2%
India
191
sunoco logo
Sunoco
SUN
$7.68 B $56.37
0.00%
11.9%
United States
192
cpfl-energia logo
CPFL Energia
CPFE3.SA
$7.46 B $6.48
0.00%
-2.2%
Brazil
193
a2a logo
A2A
A2A.MI
$7.40 B $2.36
0.00%
35.8%
Italy
194
petgas-petronas-gas logo
PetGas (Petronas Gas)
6033.KL
$7.35 B $3.71
0.00%
-0.24%
Malaysia
195
equatorial-energia logo
Equatorial Energia
EQTL3.SA
$7.28 B $5.82
0.00%
4.0%
Brazil
196
aes logo
AES
AES
$7.31 B $10.27
0.00%
-30.3%
United States
197
gmexico-transportes-sab-de-cv logo
GMexico Transportes SAB de CV
GMXT.MX
$7.27 B $1.66
0.00%
-9.7%
Mexico
198
idemitsu-kosan logo
Idemitsu Kosan
5019.T
$7.22 B $5.89
0.00%
3.7%
Japan
199
oil-india logo
Oil India
OIL.NS
$7.21 B $4.43
0.00%
16.8%
India
200
national-fuel-gas logo
National Fuel Gas
NFG
$7.06 B $78.02
0.00%
42.2%
United States
This list ranks the largest Energy companies in the world by market capitalization, based on data from publicly traded Energy companies. The market cap figures and rankings on this list are updated daily.