Download the list of Chemical plants in Texas. Smartscrapers provides an accurate directory and the latest data on the number of Chemical plants in Texas There are 564 Chemical plants in Texas as of May 5, 2025; which is an 0.17% increase from 2023. Of these locations, 384 Chemical plants which is 68.09% of all Chemical plants in Texas are single-owner operations, while the remaining 180 which is 31.91% are part of larger brands. The top three cities with the most Chemical plants are Houston with 188 Chemical plants, Port Arthur with 32 Chemical plants, Dallas with 26 Chemical plants. Average age of Chemical plants in Texas is 6 years and 6 months.