List of Oil and Gas Companies
in Houston, Texas
Get verified contact information of Top decision makers like Founder, CEO, CFO, CMO, CTO, Marketing Head, HR Head, Finance Head — along with headquarters, employee count, founded year, and industry data for these companies.
Below are the 12 leading oil and gas companies in Houston with their top management contact details.
Top Oil and Gas Companies in Houston
A curated view of the largest energy companies headquartered in Houston with their top management contact details available via EazyReach.
ExxonMobil
- Industry
- : Oil & Gas
- Employees
- : 60,000+
- Location
- : Houston, Texas
ExxonMobil is an oil and gas company headquartered in Houston, Texas with 60,000+ employees. Focus areas include integrated oil & gas — exploration, refining, chemicals.
ConocoPhillips
- Industry
- : Oil & Gas
- Employees
- : 10,000+
- Location
- : Houston, Texas
ConocoPhillips is an oil and gas company headquartered in Houston, Texas with 10,000+ employees. Focus areas include upstream exploration and production.
Phillips 66
- Industry
- : Oil & Gas
- Employees
- : 14,000+
- Location
- : Houston, Texas
Phillips 66 is an oil and gas company headquartered in Houston, Texas with 14,000+ employees. Focus areas include midstream, refining, and marketing.
Marathon Oil
- Industry
- : Oil & Gas
- Employees
- : 1,800+
- Location
- : Houston, Texas
Marathon Oil is an oil and gas company headquartered in Houston, Texas with 1,800+ employees. Focus areas include independent e&p — shale and tight oil.
Halliburton
- Industry
- : Oil & Gas
- Employees
- : 40,000+
- Location
- : Houston, Texas
Halliburton is an oil and gas company headquartered in Houston, Texas with 40,000+ employees. Focus areas include oilfield services and equipment.
Baker Hughes
- Industry
- : Oil & Gas
- Employees
- : 55,000+
- Location
- : Houston, Texas
Baker Hughes is an oil and gas company headquartered in Houston, Texas with 55,000+ employees. Focus areas include energy technology and oilfield services.
Schlumberger (SLB)
- Industry
- : Oil & Gas
- Employees
- : 90,000+
- Location
- : Houston, Texas
Schlumberger (SLB) is an oil and gas company headquartered in Houston, Texas with 90,000+ employees. Focus areas include oilfield services, digital, and reservoir performance.
Apache Corporation
- Industry
- : Oil & Gas
- Employees
- : 2,500+
- Location
- : Houston, Texas
Apache Corporation is an oil and gas company headquartered in Houston, Texas with 2,500+ employees. Focus areas include independent oil and gas e&p.
EOG Resources
- Industry
- : Oil & Gas
- Employees
- : 3,000+
- Location
- : Houston, Texas
EOG Resources is an oil and gas company headquartered in Houston, Texas with 3,000+ employees. Focus areas include shale exploration and production.
Occidental Petroleum
- Industry
- : Oil & Gas
- Employees
- : 12,000+
- Location
- : Houston, Texas
Occidental Petroleum is an oil and gas company headquartered in Houston, Texas with 12,000+ employees. Focus areas include e&p, chemicals, and low-carbon ventures.
Hess Corporation
- Industry
- : Oil & Gas
- Employees
- : 1,800+
- Location
- : Houston, Texas
Hess Corporation is an oil and gas company headquartered in Houston, Texas with 1,800+ employees. Focus areas include exploration and production.
Cheniere Energy
- Industry
- : Oil & Gas
- Employees
- : 1,500+
- Location
- : Houston, Texas
Cheniere Energy is an oil and gas company headquartered in Houston, Texas with 1,500+ employees. Focus areas include liquefied natural gas (lng) export.
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Frequently Asked Questions
Which are the biggest oil and gas companies in Houston?
Houston is the energy capital of the world. The largest oil and gas companies headquartered there include ExxonMobil, ConocoPhillips, Phillips 66, Marathon Oil, Halliburton, Baker Hughes, Schlumberger, Apache, EOG Resources, Occidental Petroleum, Hess, and Cheniere Energy. EazyReach maintains verified decision-maker contact data for all of them.
How do I contact decision-makers at Houston oil and gas firms?
EazyReach gives you direct-dial phone numbers, work emails, and LinkedIn profiles for procurement leads, VPs of operations, drilling managers, and C-suite contacts across Houston energy firms. You can call them directly from the EazyReach Chrome extension — no CSV exports needed.
Is EazyReach better than EasyLeadz for finding Houston energy contacts?
EazyReach combines verified B2B contact data with built-in AI calling and shared team credits — features EasyLeadz does not offer. For US energy markets, you get the same depth of contact coverage plus an outbound execution layer to act on the data instantly.
Can I export the list of Houston oil and gas companies?
Yes. EazyReach lets you build custom prospect lists by city, industry, and role, then export verified contacts to CSV or push them straight into Salesforce, HubSpot, or Zoho.