Texas is a business powerhouse. With no state income tax, vast land resources, and a business-friendly regulatory climate, it has become home to some of the largest and most influential corporations in the United States. From oil giants to global tech firms, Texas companies drive not only the state’s economy but also national and international markets.
Below, we break down the largest Texas-based companies by sector, highlight their headquarters, and explore their impact.
Largest Companies Headquartered in Texas
| Company | Headquarters | Industry | Notable Facts |
|---|---|---|---|
| ExxonMobil | Spring, TX | Energy (Oil & Gas) | Largest U.S.–based oil company, 13th‑largest globally |
| Chevron | Houston, TX | Energy | Global energy leader, deep roots in Texas |
| Phillips 66 | Houston, TX | Energy | Refining & chemicals, Fortune 500 |
| Valero Energy | San Antonio, TX | Energy | Largest independent US refiner |
| ConocoPhillips | Houston, TX | Energy | Major exploration & production firm |
| Enterprise Products Partners | Houston, TX | Energy | Midstream pipelines leader |
| Energy Transfer | Dallas, TX | Energy | Critical for oil & gas logistics |
| EOG Resources | Houston, TX | Energy | Top independent oil & gas producer |
| Halliburton | Houston, TX | Energy | Global oilfield services giant |
| McKesson Corporation | Irving, TX | Healthcare | Fortune 500 distributor, moved HQ to Texas |
| Sysco | Houston, TX | Food Distribution | World’s largest foodservice distributor |
| USAA | San Antonio, TX | Financial Services | Insurance leader; rose to #93 on Fortune 500 in 2025 |
| AT&T | Dallas, TX | Telecom | Telecommunications & media giant; Fortune 500 |
| Dell Technologies | Round Rock, TX | Technology | IT hardware & services; Fortune 500 |
| Oracle | Austin, TX | Technology | Enterprise software & cloud leader |
| Tesla | Austin, TX | Automotive | EV pioneer; HQ relocated in 2021 |
| Hewlett Packard Enterprise | Houston, TX | Technology | Enterprise IT & networking |
| Texas Instruments | Dallas, TX | Semiconductors | Iconic chipmaker; revenue ~$18B |
| American Airlines Group | Fort Worth, TX | Airlines | World’s largest airline by revenue |
| Southwest Airlines | Dallas, TX | Airlines | Leading low-cost carrier |
| Caterpillar | Irving, TX | Machinery | Moved HQ to Texas in 2022 |
| D.R. Horton | Arlington, TX | Homebuilding | Largest U.S. homebuilder |
| CBRE Group | Dallas, TX | Real Estate | Global real estate services leader |
| Waste Management | Houston, TX | Environmental Services | North America’s largest waste company |
| H-E-B (private) | San Antonio, TX | Grocery | Top private company, $46.5B revenue, 154K employees |
Energy & Oil Giants
Texas is synonymous with energy. The state remains the center of America’s oil, gas, and refining industries, hosting some of the biggest names in the field.
1. ExxonMobil
- Headquarters: 22777 Springwoods Village Parkway, Spring, TX 77389
ExxonMobil is one of the largest publicly traded oil and gas companies in the world, with massive operations in petroleum refining, exploration, and chemicals. Its Texas headquarters serves as the global hub for innovation, research, and energy leadership.
2. Chevron
- Headquarters: 1500 Louisiana Street, Houston, TX 77002
Chevron is a global energy powerhouse with significant refining, chemical, and exploration assets in Texas. Its Houston campus anchors its U.S. upstream and downstream operations.
3. Phillips 66
- Headquarters: 2331 CityWest Blvd, Houston, TX 77042
Phillips 66 is a major player in petroleum refining and specialty chemicals, with extensive international reach. The company operates several refineries in Texas, making it a key part of the state’s energy economy.
4. Valero Energy
- Headquarters: 1 Valero Way, San Antonio, TX 78249
Valero is the largest independent refiner in the U.S., producing fuels, petrochemicals, and renewable energy products. Its San Antonio headquarters directs operations across 15 global refineries.
5. ConocoPhillips
- Headquarters: 925 N. Eldridge Parkway, Houston, TX 77079
ConocoPhillips is one of the largest independent exploration and production companies in the world. Its Houston base oversees upstream operations across North America, Europe, Asia, and the Middle East.
6. Enterprise Products Partners
- Headquarters: 1100 Louisiana St, Houston, TX 77002
Enterprise Products operates one of the largest networks of pipelines and storage facilities in North America. It plays a critical role in transporting oil, natural gas, and petrochemicals across Texas and beyond.
7. Energy Transfer
- Headquarters: 8111 Westchester Dr, Dallas, TX 75225
Energy Transfer is one of the largest pipeline and energy infrastructure companies in the U.S. Its assets span natural gas, crude oil, and refined product transportation.
8. EOG Resources
- Headquarters: 1111 Bagby St Suite 2000, Houston, TX 77002
EOG Resources is one of the largest independent crude oil and natural gas companies in the U.S. It is a leader in shale drilling, particularly in the Eagle Ford Shale of Texas.
9. Halliburton
- Headquarters: 3000 N. Sam Houston Parkway E., Houston, TX 77032
Halliburton is one of the world’s largest providers of oilfield services, from drilling to production support. The company helps energy producers maximize efficiency and output globally.
Healthcare & Food Distribution
Texas is also home to some of the largest healthcare and food supply companies in the world.
10. McKesson Corporation
- Headquarters: 6555 State Hwy 161, Irving, TX 75039
McKesson is the largest pharmaceutical distributor in North America, supplying hospitals, pharmacies, and healthcare providers with critical medicines. Its Irving headquarters supports logistics and digital healthcare initiatives.
11. Sysco Corporation
- Headquarters: 1390 Enclave Parkway, Houston, TX 77077
Sysco is the world’s largest foodservice distributor, supplying restaurants, schools, and healthcare facilities. The company’s Houston hub directs global operations across 90+ countries.
12. USAA
- Headquarters: 9800 Fredericksburg Rd, San Antonio, TX 78288
USAA provides insurance, banking, and financial services to millions of military members and their families. It is known for strong customer service and a mission-driven approach to financial security.
Technology & Telecommunications
Texas has quickly become a hub for innovation in tech, computing, and telecom.
13. AT&T
- Headquarters: 208 S. Akard Street, Dallas, TX 75202
AT&T is one of the largest telecommunications and media companies in the world, with services spanning wireless, broadband, and streaming. Its Dallas headquarters is a landmark in the city’s skyline.
14. Dell Technologies
- Headquarters: 1 Dell Way, Round Rock, TX 78682
Dell Technologies is a Fortune 50 tech company specializing in computers, IT services, and enterprise solutions. The company’s Round Rock campus is the beating heart of its global operations.
15. Oracle
- Headquarters: 2300 Oracle Way, Austin, TX 78741
Oracle is a leader in enterprise software, cloud infrastructure, and database systems. Its relocation to Austin in 2020 solidified the city’s place as a major tech hub.
16. Tesla
- Headquarters: 13101 Tesla Rd, Austin, TX 78725
Tesla’s Gigafactory Texas in Austin is one of the largest manufacturing plants in the world. It produces electric vehicles, batteries, and energy storage solutions.
17. Hewlett Packard Enterprise (HPE)
- Headquarters: 1701 East Mossy Oaks Rd, Spring, TX 77389
HPE focuses on enterprise IT, servers, networking, and cloud services. Its Houston-area headquarters symbolizes its commitment to long-term operations in Texas.
18. Texas Instruments
- Headquarters: 12500 TI Blvd, Dallas, TX 75243
Texas Instruments is a global semiconductor leader producing analog chips and embedded processors. Its Dallas campus anchors one of the most important supply chains in tech.
Airlines & Transportation
Texas serves as a central hub for national and international travel, with airlines headquartered here ranking among the largest and most influential in the world.
19. American Airlines Group
- Headquarters: 1 Skyview Drive, Fort Worth, TX 76155
American Airlines is the world’s largest airline by fleet size, passenger miles flown, and revenue. From its Fort Worth headquarters, the company manages an expansive network of global routes that connect Texas to destinations worldwide.
20. Southwest Airlines
- Headquarters: 2702 Love Field Dr, Dallas, TX 75235
Southwest Airlines is a low-cost carrier headquartered at Dallas Love Field, famous for its no-frills, affordable flights. It has grown into one of the nation’s most recognized airlines while maintaining a strong Texas identity.
Real Estate, Construction & Services
With booming cities, rapid suburban growth, and major infrastructure projects, Texas is a leader in real estate, homebuilding, and industrial services.
21. D.R. Horton
- Headquarters: 1341 Horton Circle, Arlington, TX 76011
D.R. Horton is the largest homebuilder in the United States, shaping suburban communities across the country. Its Arlington headquarters leads residential construction projects from coast to coast.
22. CBRE Group
- Headquarters: 2100 McKinney Ave #1250, Dallas, TX 75201
CBRE Group is the world’s largest commercial real estate services firm, offering brokerage, property management, and investment services. Its Dallas base anchors a global network that operates in more than 100 countries.
23. Caterpillar (North American HQ)
- Headquarters: 5205 N. O’Connor Blvd Suite 100, Irving, TX 75039
Caterpillar is a global leader in construction and farm machinery, and its Irving headquarters directs its North American operations. The company is central to major infrastructure and agricultural projects across Texas and beyond.
24. Waste Management
- Headquarters: 800 Capitol St Suite 3000, Houston, TX 77002
Waste Management is North America’s largest provider of environmental solutions and waste disposal services. Its Houston headquarters oversees operations that serve millions of customers and businesses nationwide.
Private Powerhouses
25. H-E-B
- Headquarters: 646 S. Flores St, San Antonio, TX 78204
H-E-B is a privately held supermarket chain deeply woven into Texas culture, employing over 150,000 people. Known for customer loyalty and regional pride, it generates billions in revenue despite not being publicly traded.
Are you considering investing in Texas through a merger or acquisition? Before making your next move, be sure to obtain an independent business appraisal. Nielsen Valuation Texas is known for delivering unbiased valuations with a hands-on approach, accurately reflecting the true market value of any business.
Texas: A Diverse Powerhouse of American Business
Beyond the absolutely largest companies in Texas, the state is home to a remarkably diverse and dynamic business environment. From iconic grocery chains to high-tech disruptors and financial heavyweights. Texas supports a wide range of industries that drive both regional growth and national influence.
Texas stands out as a top choice for businesses thanks to its favorable tax climate. There are no personal income tax and competitive corporate rates and there is abundant, affordable land that supports growth and expansion.
The state’s business-friendly policies and streamlined regulations encourage entrepreneurship and large-scale investment.
Coupled with excellent infrastructure, major transportation hubs, and a diverse, skilled workforce fueled by top universities, Texas offers companies the resources they need to thrive.
These advantages make Texas not only a prime location for corporate headquarters but also a dynamic hub for innovation and economic growth.
.jpg){kind=link}
.jpg){kind=link}
