Yup, sometimes people joke that H-E-B is the 4th branch of the Texas government given how much they do during disasters. When food was going to go bad and payment terminals were having issues during the big 2021 winter power outage, pictures of them just giving out cartfuls of groceries were circulating on social media.
https://www.nytimes.com/2021/02/22/us/texas-heb-winter-storm...