Largest Oil & Gas Integrated Companies by Market Cap

Largest Oil & Gas Integrated companies by market cap. The Oil & Gas Integrated sector has 62 publicly listed stocks with a combined market cap of $3.35 Trillion. Exxon Mobil Corp leads the sector with a market cap of $637.68 Billion. This ranking covers all Oil & Gas Integrated stocks globally — from large-cap industry leaders to mid-cap and small-cap companies — ranked by market capitalization and updated daily.

Total Market Cap (USD)

$3.35 Trillion

Companies Listed

62

Largest Company

Exxon Mobil Corp

Top Oil & Gas Integrated Stocks by Market Capitalization (October 2026)

Top Oil & Gas Integrated stocks by market capitalization as of October 2026, covering 62 publicly listed companies.

Rank Company Market Cap (USD) Market Cap (Local) Country Price 24h Change 7d Change 24h Volume
1 Exxon Mobil Corp
NYSE:XOM 		$637.68 Billion $637.68 Billion USA $183.29 +0.70% +2.92% 276.45 Million
2 Chevron Corp
NYSE:CVX 		$361.71 Billion $361.71 Billion USA $231.46 +0.99% +2.06% 171.74 Million
3 PetroChina Co Ltd Class A
SHG:601857 		$324.37 Billion CN¥2.22 Trillion China CN¥13.69 +3.24% +9.00% 3.68 Billion
4 Shell PLC ADR
NYSE:SHEL 		$239.42 Billion $239.42 Billion USA $89.27 -0.25% -0.63% 176.11 Million
5 SHELL PLC WI ADR/2
F:L3H 		$190.34 Billion €162.81 Billion Germany €77.00 +1.32% +1.99% 912.00
6 TotalEnergies SE
PA:TTE 		$173.14 Billion €148.10 Billion France €84.60 +1.20% +4.57% 88.35 Million
7 BP p.l.c
MX:BPN 		$140.37 Billion MX$2.44 Trillion Mexico MX$947.00 -1.15% +17.69% 1.70K
8 BP PLC ADR
NYSE:BP 		$119.34 Billion $119.34 Billion USA $46.35 -0.04% +0.50% 405.14 Million
9 Equinor ASA
OL:EQNR 		$114.37 Billion Nkr1.09 Trillion Norway Nkr435.40 -1.96% +0.25% 66.14 Million
10 Suncor Energy Inc
TO:SU 		$92.80 Billion CA$128.29 Billion Canada CA$108.65 +0.12% -2.00% 84.78 Million
11 Petróleo Brasileiro S.A. - Petrobras
SA:PETR3 		$86.25 Billion R$439.54 Billion Brazil R$59.06 +0.05% -8.79% 371.62 Million
12 Equinor ASA
F:DNQA 		$82.16 Billion €70.28 Billion Germany €42.50 -1.16% +4.94% 7.25K
13 China Petroleum & Chemical Corp Class A
SHG:600028 		$79.89 Billion CN¥545.94 Billion China CN¥5.62 +2.55% +3.69% 5.81 Billion
14 Eni SpA ADR
NYSE:E 		$74.54 Billion $74.54 Billion USA $54.65 +0.77% +0.79% 16.79 Million
15 Eni S.p.A
F:ENI1 		$68.82 Billion €58.87 Billion Germany €53.00 +1.92% +1.92% 0.00
16 Imperial Oil Ltd
TO:IMO 		$64.24 Billion CA$88.80 Billion Canada CA$183.62 +0.31% -3.63% 18.01 Million
17 Cenovus Energy Inc
TO:CVE 		$60.73 Billion CA$83.95 Billion Canada CA$45.02 -0.40% -3.27% 128.49 Million
18 Polski Koncern Naftowy ORLEN SA
WAR:PKN 		$46.97 Billion zł170.66 Billion Poland zł147.00 -1.76% -5.12% 30.16 Million
19 PTT Public Company Limited
BK:PTT 		$37.30 Billion ฿1.20 Trillion Thailand ฿42.25 +0.60% +3.68% 2.32 Billion
20 Oil & Natural Gas Corporation Limited
NSE:ONGC 		$30.72 Billion Rs2.84 Trillion India Rs225.79 +0.40% +0.08% 248.83 Million
21 PetroChina Company Limited
F:PC6 		$28.39 Billion €24.28 Billion Germany €1.15 +2.86% +4.64% 43.25K
22 Ecopetrol SA ADR
NYSE:EC 		$26.82 Billion $26.82 Billion USA $14.43 +0.77% +9.57% 76.77 Million
23 PTT Public Company Limited
F:NVA3 		$26.62 Billion €22.77 Billion Germany €1.08 -0.92% +1.89% 300.00
24 Ecopetrol S.A
F:ECHA 		$26.40 Billion €22.58 Billion Germany €15.70 +1.95% +0.64% 1.82K
25 Repsol S.A
F:REPA 		$23.97 Billion €20.50 Billion Germany €28.00 -1.41% -2.78% 1.73K
26 OMV Aktiengesellschaft
VI:OMV 		$19.93 Billion €17.05 Billion Austria €73.90 +1.58% +0.34% 5.97 Million
27 Omv Petrom S.A
RO:SNP 		$19.37 Billion RON84.37 Billion Romania RON1.35 -0.37% +1.42% 200.51 Million
28 Repsol S.A.
MC:REP 		$18.96 Billion €16.22 Billion Spain €29.41 +3.05% +0.17% 73.69 Million
29 OMV AG ADR 1
F:OMVI 		$18.00 Billion €15.39 Billion Germany €14.50 +1.40% -0.68% 600.00
30 YPF Sociedad Anónima
F:YPF 		$16.68 Billion €14.26 Billion Germany €42.60 -0.47% -4.05% 466.00
31 YPF Sociedad Anonima
NYSE:YPF 		$15.00 Billion $15.00 Billion USA $47.81 -3.10% -5.08% 25.44 Million
32 China Petroleum & Chemical Corporation
F:CHU 		$14.39 Billion €12.31 Billion Germany €0.52 -2.71% -0.81% 109.14K
33 Galp Energia SGPS S.A.
LS:GALP 		$13.45 Billion €11.51 Billion Portugal €20.65 +0.00% -8.22% 35.48 Million
34 Petronas Gas Bhd
KLSE:6033 		$8.59 Billion RM34.23 Billion Malaysia RM17.30 +0.00% +0.82% 14.42 Million
35 Oil India Limited
NSE:OIL 		$8.00 Billion Rs739.29 Billion India Rs454.50 +1.56% +0.11% 32.86 Million
36 National Fuel Gas Company
NYSE:NFG 		$7.54 Billion $7.54 Billion USA $79.36 -1.06% +0.06% 24.54 Million
37 Petrovietnam Gas JSC
VN:GAS 		$6.97 Billion ₫183.38 Trillion Vietnam ₫76000.00 -2.19% -1.30% 26.56 Million
38 Guanghui Energy Co Ltd
SHG:600256 		$6.33 Billion CN¥43.27 Billion China CN¥6.77 +0.45% -2.59% 3.39 Billion
39 Hellenic Petroleum S.A
AT:ELPE 		$5.57 Billion €4.77 Billion Greece €17.77 -5.02% -7.30% 8.88 Million
40 Shell plc
LSE:SHEL 		$2.81 Billion GBX23.11 Trillion UK GBX4038.00 +2.06% +3.30% 149.28 Million
41 YPF S.A. D
BA:YPFD 		$2.23 Billion AR$3.09 Trillion Argentina AR$7870.00 -3.85% -4.49% 41.05 Million
42 Transportadora de Gas del Sur SA ADR
NYSE:TGS 		$2.13 Billion $2.13 Billion USA $30.69 -1.00% -1.00% 9.11 Million
43 Transportadora de Gas del Sur SA B
BA:TGSU2 		$2.08 Billion AR$2.88 Trillion Argentina AR$8285.00 -1.37% -3.21% 5.28 Million
44 Zhongman Petro & Natural Gas
SHG:603619 		$1.36 Billion CN¥9.29 Billion China CN¥20.09 -3.27% -1.86% 397.24 Million
45 BP PLC
LSE:BP 		$1.17 Billion GBX9.65 Trillion UK GBX624.30 +0.71% +1.17% 990.56 Million
46 Sichuan Shengda Forestry Industry Co Ltd
SHE:002259 		$445.86 Million CN¥3.05 Billion China CN¥4.05 -2.41% -12.72% 661.95 Million
47 BP p.l.c
LSE:BP-B 		$374.88 Million GBX3.08 Trillion UK GBX154.00 +0.00% +0.00% 132.32K
48 BP p.l.c
LSE:BP-A 		$331.06 Million GBX2.72 Trillion UK GBX136.00 +0.00% +0.00% 143.62K
49 Super Energy Tbk PT
JK:SURE 		$247.46 Million Rp4.22 Trillion Indonesia Rp2820.00 +0.36% +1.44% 180.90K
50 Petrovietnam Low Pressure Gas Distribution JSC
VN:PGD 		$81.24 Million ₫2.14 Trillion Vietnam ₫21600.00 -2.48% -8.47% 72.60K
51 Stabilis Solutions Inc
NASDAQ:SLNG 		$81.08 Million $81.08 Million USA $4.36 -0.46% -4.70% 450.13K
52 Uzma Bhd
KLSE:7250 		$50.07 Million RM199.43 Million Malaysia RM0.34 -1.47% -1.47% 15.26 Million
53 Sky Quarry Inc
NASDAQ:SKYQ 		$10.50 Million $10.50 Million USA $2.19 +1.39% +1.39% 19.95 Million
54 Diversified Energy Company PLC
LSE:DEC 		$10.09 Million GBX82.93 Billion UK GBX1090.00 -1.62% +2.83% 1.22 Million
55 John Wood Group PLC
LSE:WG 		$2.47 Million GBX20.32 Billion UK GBX29.40 +0.00% +13.51% 146.41 Million
56 Crown LNG Holdings Limited Warrants
NASDAQ:CGBSW 		$2.23 Million $2.23 Million USA $0.03 +0.00% +0.00% 0.00
57 Vivakor Inc
NASDAQ:VIVK 		$898.19K $898.19K USA $1.50 -2.60% +20.00% 50.19 Million
58 Caspian Sunrise plc
LSE:CASP 		$544.72K GBX4.48 Billion UK GBX1.90 +0.00% +0.00% 20.46 Million
59 Crown LNG Holdings Limited Ordinary Shares
NASDAQ:CGBS 		$293.65K $293.65K USA $0.00 +0.00% +0.00% 10.60K
60 BP PLC
F:BPE 		$46.15K €39.47K Germany €4.03 +0.00% -61.08% 14.54 Million
61 Nostrum Oil & Gas PLC
LSE:NOG 		$12.54K GBX103.09 Million UK GBX0.63 -21.88% -21.88% 4.62 Million
62 PTT Public Company Limited
F:PTOG 		$12.19K €10.43K Germany €1.08 +0.93% +2.86% 3.91K

How Oil & Gas Integrated Companies Are Ranked by Market Cap

Oil & Gas Integrated companies are ranked by market cap, the latest share price multiplied by shares outstanding, with each company counted once at its primary listing.

Track real-time market capitalization of largest public companies in the Oil & Gas Integrated industry. Compare marketcap, analyze stock performance, and discover leading oil & gas integrated corporations. View all industries