Texas Top Companies List by Market Cap as of August 2026

First Financial Bankshares is a Financially Secure Banking Institutions company. It assets of $3.8 billion, 11 separately chartered affiliate banks and 78 convenient banking locations, plus a Trust Company with six convenient locations, all to serve customers in Texas markets. The headquarters is in USA.

CELANESE CORPORATION is Chemical sector company with headquarters is in Texas, USA.Celanese Corporation is a global technology leader in the production of specialty materials and chemical products which are used in most major industries and consumer applications, with products essential to everyday living that are manufactured in North America, Europe and Asia.

Celanese total number of employees in 2022 was 13,263.

KBR is a Software Technology company. They provide services to the companies which are working in sector of aerospace and defense, industrial, Intel and data science and federal and civilian. The headquarters is in USA.

Diodes is a manufacturer and supplier of high quality application specific standard products within the broad discrete, logic, analog and mixed signal semiconductor markets. It serve the consumer electronics, computing, communications, industrial and automotive markets.

Tidewater is a Offshore Energy Exploration and Production Activities Industries company. The headquarters is in USA.

International Bancshares Corporation is a Bank Holding company. It is having more than $13.3 billion multi bank financial holding company headquartered in Laredo, Texas and with 187 facilities and 282 ATMs serving about 88 communities in Texas and Oklahoma. The company was ranked 22nd on Forbes prestigious list of 100 Best Banks in America in 2019. The headquarters is in USA.