Exxon

According to the website:Exxon Mobil is an American multinational oil and gas corporation that operates a gas station in Houston, TX, among other locations in the US. It is the largest direct descendant of John D. Rockefeller's Standard Oil and engages in the exploration, development, and distribution of oil, gas, and petroleum products.Products and services they offer:Whether you need to fill up your tank, get a car wash, buy snacks and drinks, or use the ATM, you can find it all at Exxon Mobil. You can also enjoy the benefits of the Exxon Mobil Rewards+ program, which lets you earn points on every purchase and redeem them for savings on gas and more.

According to the website:Shell is a British multinational oil and gas company that operates a network of gas stations in the US including this one in Houston, TX. They offer a variety of unleaded and diesel products, including Shell V-Power NiTRO+ Premium Gasoline and Shell Midgrade Gasoline. Shell stations also have car washes, ATM cash machines, and convience shops at select locations.