Here are some of the major companies that supply gasoline to gas stations in the United States:
* Shell is one of the largest global energy companies, and it operates Shell-branded gas stations in over 70 countries. Shell supplies gasoline to gas stations through its network of refineries, pipelines, and terminals.
* BP is another major global energy company, and it operates BP-branded gas stations in over 80 countries. BP supplies gasoline to gas stations through its network of refineries, pipelines, and terminals.
* ExxonMobil is the largest publicly traded oil and gas company in the world, and it operates Exxon- and Mobil-branded gas stations in over 100 countries. ExxonMobil supplies gasoline to gas stations through its network of refineries, pipelines, and terminals.
* Chevron is a multinational energy corporation, and it operates Chevron-branded gas stations in over 80 countries. Chevron supplies gasoline to gas stations through its network of refineries, pipelines, and terminals.
* ConocoPhillips is a large energy company, and it operates Conoco- and Phillips 66-branded gas stations in over 40 countries. ConocoPhillips supplies gasoline to gas stations through its network of refineries, pipelines, and terminals.
In addition to these major oil companies, there are also many smaller regional companies that supply gasoline to gas stations. These companies may operate their own refineries, or they may purchase gasoline from larger suppliers and distribute it to gas stations in their region.
Some gas stations may also purchase gasoline from independent suppliers or brokers. These companies buy gasoline from refineries or other suppliers and sell it to gas stations on the spot market. The spot market is a market where gasoline is traded between buyers and sellers on an as-needed basis.