Texas is home to a favorable business environment and rich infrastructure, hosting a variety of large corporations from traditional oil and gas companies to high-tech sectors and retail. These companies are primarily concentrated in major cities such as Dallas (and surrounding areas), Houston, Austin, and San Antonio. Below are some representative companies headquartered in Texas.



  • ExxonMobil
    • Headquarters: Irving (suburb of Dallas)
    • One of the largest oil and gas companies in the world, with significant global influence in refining and chemicals.
  • ConocoPhillips
    • Headquarters: Houston
    • A global energy company focused on crude oil and natural gas exploration and production.
  • Valero Energy
    • Headquarters: San Antonio
    • A large energy company specialized in refining and retail distribution.
  • Dell Technologies
    • Headquarters: Round Rock (suburb of Austin)
    • A leading global company in PCs, servers, and storage.
  • Texas Instruments
    • Headquarters: Dallas
    • A representative company in the field of analog semiconductors and embedded processors.
  • Oracle
    • Headquarters relocation: California → Austin
    • A global software and cloud company, recently making a significant move to Texas.
  • AT&T
    • Headquarters: Dallas
    • One of the largest telecommunications companies in the U.S., providing comprehensive communication services including mobile, media, and internet.
  • Southwest Airlines
    • Headquarters: Dallas (near Dallas Love Field Airport)
    • A leader in low-cost airlines (LCC), operating flights across the U.S. and some international routes.
  • American Airlines
    • Headquarters: Fort Worth (near DFW Airport)
    • A major airline with a global route network, operating out of DFW Airport as its hub.
  • H-E-B
    • Headquarters: San Antonio
    • A large supermarket chain with significant influence in Texas and Mexico.
  • Whole Foods Market
    • Headquarters: Austin
    • A premium organic food chain, currently acquired by Amazon.
  • 7-Eleven USA Headquarters
    • U.S. Headquarters: Irving (suburb of Dallas)
    • A convenience store chain originally owned by a Japanese company, but the U.S. branch operates based in Texas.
  • USAA
    • Headquarters: San Antonio
    • An insurance and financial services company targeting military personnel and veterans.
  • Kimberly-Clark
    • Headquarters: Irving
    • A global consumer goods company known for brands like Kleenex and Huggies.
  • Sysco
    • Headquarters: Houston
    • The largest food distribution company in the U.S.
  • Tesla
    • The official headquarters has moved to Austin, Texas (between 2021 and 2022). Operates electric vehicle and battery gigafactories.
  • Hewlett Packard Enterprise
    • Headquarters: Houston
    • Provides servers, storage, and cloud solutions, a spin-off from HP.
  • Motiva Enterprises
    • Headquarters: Houston
    • Focused on refining and distribution (including sites like Citgo gas stations).

Companies headquartered in Texas span a wide range of industries, including oil and gas, IT, retail, and finance. The concentration of industries varies slightly across major metropolitan areas such as Dallas-Fort Worth, Houston, Austin, and San Antonio, allowing Texas to exert strong economic influence across multiple sectors.