> Enrich.chat gives AI agents verified work emails and mobiles. To use it from an agent, read https://enrich.chat/agents.md . This is the Markdown version of https://enrich.chat/companies-in/united-states/oil-and-energy/ # Oil and energy companies in the United States Larger oil and energy companies headquartered in the United States: who they are, what they run and how to reach their people. By Enrich.chat Editorial. Updated October 21, 2026. **Short answer:** Larger oil and energy companies headquartered in the United States include Koch Engineered Solutions, Baker Hughes, ExxonMobil, Halliburton and Chevron. Below are the tools that stand out, where they are based and how big they are. ## Which oil and energy companies are headquartered in the United States? They include Koch Engineered Solutions, Baker Hughes, ExxonMobil, Halliburton and Chevron. The table lists a selection in alphabetical order; names link to company profiles. | Company | Size | Tools detected | | --- | --- | --- | | [Baker Hughes](https://enrich.chat/company/baker-hughes/) | 50,000 to 100,000 | 65 | | [CB&I](https://enrich.chat/company/cbandi/) | 10,000 to 25,000 | 15 | | ChampionX | 5,000 to 10,000 | 15 | | [Chevron](https://enrich.chat/company/chevron/) | 50,000 to 100,000 | 40 | | CITGO | 5,000 to 10,000 | 7 | | [ConocoPhillips](https://enrich.chat/company/conocophillips/) | 10,000 to 25,000 | 24 | | [Energy Transfer](https://enrich.chat/company/energy-transfer/) | 10,000 to 25,000 | 11 | | Enterprise Products | 5,000 to 10,000 | 11 | | Expro | 5,000 to 10,000 | 35 | | [ExxonMobil](https://enrich.chat/company/exxonmobil/) | 50,000 to 100,000 | 46 | | [H&P](https://enrich.chat/company/handp/) | 10,000 to 25,000 | 24 | | [Halliburton](https://enrich.chat/company/halliburton/) | 50,000 to 100,000 | 27 | | Kinder Morgan | 5,000 to 10,000 | 16 | | [Koch Engineered Solutions](https://enrich.chat/company/koch-engineered-solutions/) | 100,000+ | 18 | | [Marathon Petroleum](https://enrich.chat/company/marathon-petroleum/) | 10,000 to 25,000 | 8 | | [McDermott International](https://enrich.chat/company/mcdermott-international/) | 25,000 to 50,000 | 13 | | [Nabors](https://enrich.chat/company/nabors/) | 10,000 to 25,000 | 16 | | NESR | 5,000 to 10,000 | 9 | | [NOV](https://enrich.chat/company/nov/) | 25,000 to 50,000 | 38 | | [Oceaneering International](https://enrich.chat/company/oceaneering-international/) | 10,000 to 25,000 | 40 | | ONEOK | 5,000 to 10,000 | 16 | | OneSubsea | 10,000 to 25,000 | 4 | | [Oxy](https://enrich.chat/company/oxy/) | 10,000 to 25,000 | 18 | | [Phillips 66](https://enrich.chat/company/phillips-66/) | 10,000 to 25,000 | 35 | | Solar Turbines | 5,000 to 10,000 | 18 | | [Tenaris](https://enrich.chat/company/tenaris/) | 25,000 to 50,000 | 23 | | [Texaco](https://enrich.chat/company/texaco/) | 10,000 to 25,000 | 25 | | Valero | 10,000 to 25,000 | 14 | | Williams | 5,000 to 10,000 | 96 | | World Kinect | 5,000 to 10,000 | 27 | ## What technology do oil and energy companies in the United States use? These tools stand out among them: each is detected more often here than across all the organizations listed. The tick on each bar marks that wider average. **Figure: Tools that stand out among oil and energy companies in United States.** Bars for the share of listed oil and energy companies in United States where each tool was detected, with a tick for the share across everything listed: New Relic 32% against 19%, Workday Recruiting 25% against 10%, Adobe Marketing Cloud 19% against 10%, SAP SuccessFactors 19% against 8%, Drupal 17% against 12%, Gravity Forms 15% against 7%. *Share of listed oil and energy companies in the United States where each tool was detected. The tick marks the share across all listed organizations.* ## Where in the United States are they based? The bars show the headquarters city of the listed oil and energy companies. **Figure: Headquarters cities of oil and energy companies in United States.** Bars for the share of listed oil and energy companies in United States headquartered in each city: Houston 55%, Tulsa 6%, The Woodlands 4%, Denver 4%, Wichita 2%, Orlando 2%. *Share of listed oil and energy companies in the United States by headquarters city.* ## How big are oil and energy companies in the United States? The columns show how they spread across six size ranges. **Figure: Size of oil and energy companies in United States.** Six columns for the share of listed oil and energy companies in United States in each size range: 2-5K 40%, 5-10K 23%, 10-25K 23%, 25-50K 6%, 50-100K 8%, 100K+ 2%. *Share of listed oil and energy companies in the United States in each size range.* ## More to explore Other industries in the United States: [Hospitals and health care](https://enrich.chat/companies-in/united-states/hospitals-and-health-care/)[Information technology and services](https://enrich.chat/companies-in/united-states/information-technology-and-services/)[Retail](https://enrich.chat/companies-in/united-states/retail/)[Higher education](https://enrich.chat/companies-in/united-states/higher-education/)[Government administration](https://enrich.chat/companies-in/united-states/government-administration/)[Financial services](https://enrich.chat/companies-in/united-states/financial-services/)[Insurance](https://enrich.chat/companies-in/united-states/insurance/)[Restaurants](https://enrich.chat/companies-in/united-states/restaurants/)[Mechanical or industrial engineering](https://enrich.chat/companies-in/united-states/mechanical-or-industrial-engineering/)[Real estate](https://enrich.chat/companies-in/united-states/real-estate/)[All of United States](https://enrich.chat/companies-in/united-states/) Oil and energy elsewhere: [Texas](https://enrich.chat/companies-in/texas/oil-and-energy/)[United Kingdom](https://enrich.chat/companies-in/united-kingdom/oil-and-energy/)[Brazil](https://enrich.chat/companies-in/brazil/oil-and-energy/)[Oil and energy](https://enrich.chat/industries/oil-and-energy/) ## How do you reach operations leaders, CIOs and heads of procurement at oil and energy companies in the United States? Pick an organization from the table, then ask your AI agent for the people in the roles you sell to. ```text Use www.enrich.chat to find operations leaders, CIOs and heads of procurement at [company] in the United States, with titles and verified work emails ``` ## Frequently asked questions ### Which oil and energy companies are headquartered in the United States? They include Koch Engineered Solutions, Baker Hughes, ExxonMobil, Halliburton and Chevron. The page lists a selection with links to their profiles. ### What technology do oil and energy companies in the United States use? Tools that stand out include New Relic, Workday Recruiting, Adobe Marketing Cloud and SAP SuccessFactors. ### How big are oil and energy companies in the United States? They range from about 2,000 employees to well over 100,000. The columns on this page show the spread. ### Who do you sell to? Usually operations leaders, CIOs and heads of procurement. Ask your AI agent to use www.enrich.chat to find them with verified work emails. ## Try this prompt Find operations leaders, CIOs and heads of procurement ```text Use www.enrich.chat to find operations leaders, CIOs and heads of procurement at [company] in the United States, with titles and verified work emails ``` ## Related - [Companies using a technology](https://enrich.chat/companies-using/) - [Hospitals and health systems in the United States](https://enrich.chat/companies-in/united-states/hospitals-and-health-care/) - [Software and technology services companies in the United States](https://enrich.chat/companies-in/united-states/information-technology-and-services/) - [Retailers in the United States](https://enrich.chat/companies-in/united-states/retail/) - [Colleges and universities in the United States](https://enrich.chat/companies-in/united-states/higher-education/) - [Oil and energy companies in Texas](https://enrich.chat/companies-in/texas/oil-and-energy/) - [Oil and energy companies in the United Kingdom](https://enrich.chat/companies-in/united-kingdom/oil-and-energy/) - [Oil and energy companies in Brazil](https://enrich.chat/companies-in/brazil/oil-and-energy/) - [Tech stack lookup](https://enrich.chat/tools/tech-stack-lookup/)