All Industries

Top Oil & Gas Companies

487 Oil & Gas companies, sorted by total funding raised.

Cereus Downhole Technology

Operational enhancement and digitalization

Aberdeen, United KingdomEnergy, Oil & Gas
Funding undisclosed
CH4 Energy

Engaged in acquisition and development of oil and gas properties

Fort Worth, United States1–10Energy, Oil & Gas
Venture RoundJan 2019
Chord Energy CorporationAcquired

Chord Energy is an independent oil and gas company focused on exploration, development, and produ...

Houston, United States1001–5000Energy, Oil & Gas
Funding undisclosed
CHP Brasil
BrazilClean Tech, Energy
Funding undisclosed
Circle Gas
United KingdomEnergy, IoT
Funding undisclosed
C&J Energy ServicesAcquired

C&J Energy Services is a provider of services to oil and gas exploration and production companies...

Houston, United States5001–10000Energy, Manufacturing
Private EquityOct 2006
Comerc EnergiaAcquired

Brazilian energy company offering free-market energy migration, retail commercialization, renewab...

São Paulo, Brazil501–1000Energy, Oil & Gas
Funding undisclosed
Comet RidgeIPO
AustraliaEnergy, Oil & Gas
Funding undisclosed
Comitt Well Solutions
Katy, United StatesEnergy, Oil & Gas
Funding undisclosed
Condor EnergiesIPO
CanadaEnergy, Oil & Gas
Funding undisclosed
Confidence GroupIPO
Energy, Industrials
Funding undisclosed
Conifer Energy

Calgary-based independent oil and natural gas company focused on development and production of re...

Calgary, CanadaEnergy, Manufacturing
Funding undisclosed
Continental ResourcesIPO

Largest privately held oil and natural gas producer in the world, based in Oklahoma City with unc...

Oklahoma City, United StatesEnergy, Oil & Gas
Funding undisclosed
Controlled Thermal Resources
Energy, Oil & Gas
Funding undisclosed
Cora Gold LtdIPO
Oil & Gas
Venture RoundFeb 2026
Core Laboratories Inc.IPO

Leading provider of reservoir description, production enhancement, and reservoir management servi...

Houston, United States1001–5000Energy, Oil & Gas
Funding undisclosed
Core Linepipe
Energy, Oil & Gas
Funding undisclosed
Crescent Pass Energy
Energy, Oil & Gas
Funding undisclosed
Critical ControlIPO
Analytics, Business Intelligence
Funding undisclosed
CryoCollect
Oil & Gas, Sustainability
Funding undisclosed
Cyberhawk
Industrials, Oil & Gas
Funding undisclosed
Danske Commodities
Energy, Oil & Gas
Funding undisclosed
Deepwater Corrosion Services
Energy, Infrastructure
Funding undisclosed
Denison Gas
AustraliaEnergy, Oil & Gas
Funding undisclosed
Diesel Tech Industries
Energy, Industrials
Funding undisclosed