World

Top 900 largest companies in the Energy sector in the World by Market Cap

This is the list of the world's largest public listed companies in the Energy sector by market capitalization with links to their reference stock and industry.

World Energy Sector Analysis
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Top Energy Companies in the World as of Jan. 01, 2026

Rank Company Market Cap (USD) Country Sector Industry
721 United Oil & Gas plc $6.6 M United Kingdom UK Energy UK Oil & Gas E&P
722 UK Oil & Gas plc $6.5 M United Kingdom UK Energy UK Oil & Gas E&P
723 Serinus Energy plc $4.8 M

(Jan. 1, 2025)

 United Kingdom UK Energy UK Oil & Gas E&P
724 Archer Ltd $4.8 M

(July 1, 2024)

 Bermuda Bermuda Energy Bermuda Oil & Gas Drilling
725 Bowleven plc $4.8 M

(July 1, 2024)

 United Kingdom UK Energy UK Oil & Gas Drilling
726 Union Jack Oil plc $4.4 M United Kingdom UK Energy UK Oil & Gas E&P
727 Coro Energy plc $4.4 M United Kingdom UK Energy UK Oil & Gas E&P
728 Ascent Resources plc $4.4 M United Kingdom UK Energy UK Oil & Gas E&P
729 Getech Group plc $4.2 M United Kingdom UK Energy UK Oil & Gas Equipment & Services
730 TomCo Energy plc $4.2 M United Kingdom UK Energy UK Oil & Gas Drilling
731 Deltic Energy plc $3.9 M United Kingdom UK Energy UK Oil & Gas E&P
732 Scirocco Energy plc $3.7 M

(Jan. 1, 2024)

 United Kingdom UK Energy UK Oil & Gas E&P
733 Empyrean Energy plc $3.3 M Australia Australian Energy Australian Oil & Gas E&P
734 Gunsynd plc $3.1 M United Kingdom UK Energy UK Oil & Gas E&P
735 Clontarf Energy plc $2.5 M Ireland Irish Energy Irish Oil & Gas E&P
736 Crown Energy AB $2.2 M Sweden Swedish Energy Swedish Oil & Gas E&P
737 Petrel Resources plc $2.1 M Ireland Irish Energy Irish Oil & Gas E&P
738 Lansdowne Oil & Gas plc $1.7 M Ireland Irish Energy Irish Oil & Gas E&P
739 Enteq Upstream plc $1.6 M

(Jan. 1, 2025)

 United Kingdom UK Energy UK Oil & Gas Equipment & Services
740 ADM Energy plc $1.3 M United Kingdom UK Energy UK Oil & Gas E&P
741 SDX Energy plc $770,143

(Jan. 1, 2025)

 United Kingdom UK Energy UK Oil & Gas E&P
742 Nostra Terra Oil and Gas Company plc $748,207 United Kingdom UK Energy UK Oil & Gas E&P
743 SMG Industries, Inc. $402,082 United States US Energy US Oil & Gas Equipment & Services
744 Petrofac Limited $285,296

(July 1, 2025)

 United Kingdom UK Energy UK Oil & Gas Equipment & Services
745 Brooge Energy Limited $219,175

(Dec. 1, 2025)

 United Arab Emirates United Arab Emirates Energy United Arab Emirates Oil & Gas Midstream
746 Angus Energy plc $161,074 United Kingdom UK Energy UK Oil & Gas E&P
747 Blue Water Petroleum Corp $20,821 United States US Energy US Oil & Gas E&P
748 Kibo Energy plc $13,861 Ireland Irish Energy Irish Thermal Coal
749 Sundance Energy Inc. United States US Energy US Oil & Gas E&P
750 Whiting Petroleum Corporation United States US Energy US Oil & Gas E&P

Top Energy Companies in the World as of Jan. 01, 2026

721. United Oil & Gas plc

Company Profile: United Oil & Gas plc
Market Cap (USD): $6.6 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

722. UK Oil & Gas plc

Company Profile: UK Oil & Gas plc
Market Cap (USD): $6.5 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

723. Serinus Energy plc

Company Profile: Serinus Energy plc
Market Cap (USD): $4.8 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

724. Archer Ltd

Company Profile: Archer Ltd
Market Cap (USD): $4.8 M (July 1, 2024)
Country: Bermuda
Sector: Bermuda Energy
Industry: Bermuda Oil & Gas Drilling

725. Bowleven plc

Company Profile: Bowleven plc
Market Cap (USD): $4.8 M (July 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Drilling

726. Union Jack Oil plc

Company Profile: Union Jack Oil plc
Market Cap (USD): $4.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

727. Coro Energy plc

Company Profile: Coro Energy plc
Market Cap (USD): $4.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

728. Ascent Resources plc

Company Profile: Ascent Resources plc
Market Cap (USD): $4.4 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

729. Getech Group plc

Company Profile: Getech Group plc
Market Cap (USD): $4.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Equipment & Services

730. TomCo Energy plc

Company Profile: TomCo Energy plc
Market Cap (USD): $4.2 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Drilling

731. Deltic Energy plc

Company Profile: Deltic Energy plc
Market Cap (USD): $3.9 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

732. Scirocco Energy plc

Company Profile: Scirocco Energy plc
Market Cap (USD): $3.7 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

733. Empyrean Energy plc

Company Profile: Empyrean Energy plc
Market Cap (USD): $3.3 M
Country: Australia
Sector: Australian Energy
Industry: Australian Oil & Gas E&P

734. Gunsynd plc

Company Profile: Gunsynd plc
Market Cap (USD): $3.1 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

735. Clontarf Energy plc

Company Profile: Clontarf Energy plc
Market Cap (USD): $2.5 M
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

736. Crown Energy AB

Company Profile: Crown Energy AB
Market Cap (USD): $2.2 M
Country: Sweden
Sector: Swedish Energy
Industry: Swedish Oil & Gas E&P

737. Petrel Resources plc

Company Profile: Petrel Resources plc
Market Cap (USD): $2.1 M
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

738. Lansdowne Oil & Gas plc

Company Profile: Lansdowne Oil & Gas plc
Market Cap (USD): $1.7 M
Country: Ireland
Sector: Irish Energy
Industry: Irish Oil & Gas E&P

739. Enteq Upstream plc

Company Profile: Enteq Upstream plc
Market Cap (USD): $1.6 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Equipment & Services

740. ADM Energy plc

Company Profile: ADM Energy plc
Market Cap (USD): $1.3 M
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

741. SDX Energy plc

Company Profile: SDX Energy plc
Market Cap (USD): $770,143 (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

742. Nostra Terra Oil and Gas Company plc

Company Profile: Nostra Terra Oil and Gas Company plc
Market Cap (USD): $748,207
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

743. SMG Industries, Inc.

Company Profile: SMG Industries, Inc.
Market Cap (USD): $402,082
Country: United States
Sector: US Energy
Industry: US Oil & Gas Equipment & Services

744. Petrofac Limited

Company Profile: Petrofac Limited
Market Cap (USD): $285,296 (July 1, 2025)
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas Equipment & Services

745. Brooge Energy Limited

Company Profile: Brooge Energy Limited
Market Cap (USD): $219,175 (Dec. 1, 2025)
Country: United Arab Emirates
Sector: United Arab Emirates Energy
Industry: United Arab Emirates Oil & Gas Midstream

746. Angus Energy plc

Company Profile: Angus Energy plc
Market Cap (USD): $161,074
Country: United Kingdom
Sector: UK Energy
Industry: UK Oil & Gas E&P

747. Blue Water Petroleum Corp

Company Profile: Blue Water Petroleum Corp
Market Cap (USD): $20,821
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

748. Kibo Energy plc

Company Profile: Kibo Energy plc
Market Cap (USD): $13,861
Country: Ireland
Sector: Irish Energy
Industry: Irish Thermal Coal

749. Sundance Energy Inc.

Company Profile: Sundance Energy Inc.
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

750. Whiting Petroleum Corporation

Company Profile: Whiting Petroleum Corporation
Country: United States
Sector: US Energy
Industry: US Oil & Gas E&P

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