Texas is home to many major public and private companies, including long-established energy giants and newer technology leaders.
## Notable Texas-headquartered companies - **ExxonMobil** — major oil and gas company headquartered in the Houston area. - **Phillips 66** — energy manufacturing and logistics company in Houston. - **ConocoPhillips** — major energy company in Houston. - **Valero Energy** — refining company headquartered in San Antonio. - **Tesla** — corporate headquarters moved to Austin in the 2020s. - **Dell Technologies** — Round Rock-based technology company. - **Oracle** — moved corporate headquarters to Austin. - **AT&T** — long headquartered in Dallas. - **American Airlines** — Fort Worth-based airline. - **Southwest Airlines** — major Dallas-based airline. - **Texas Instruments** — Dallas-based semiconductor company. - **Waste Management** — headquartered in the Houston area. - **Sysco** — major food distribution company headquartered in Houston. - **CBRE Group** — Dallas-based commercial real estate services company. - **Dr Pepper** — corporate identity strongly linked to Texas, though ownership structures and headquarters arrangements have changed over time.
## Other major employers and corporate presences - **Lockheed Martin** — major aerospace and defense presence in Fort Worth. - **H-E-B** — important Texas grocery company based in San Antonio. - **USAA** — San Antonio-based financial services company serving military members and families. - **Halliburton** and **Baker Hughes** — major energy-service companies with major Texas operations. - **Toyota Motor North America** — headquarters in Plano. - **Charles Schwab** — major North Texas corporate presence. - **Energy Transfer** — Dallas-based pipeline company.
## Startup and innovation landscape - Austin remains the most visible startup hub, with software, AI, semiconductor, and consumer brands. - Houston has strong entrepreneurship in energy transition, health tech, and industrial technology. - Dallas–Fort Worth and San Antonio also support growing startup ecosystems.
