But it will take several days for deliveries to return to normal, the company said.
In the meantime, drivers have been finding gas stations with little or no gas in some Southeast states.
The Colonial Pipeline, which delivers about 45% of the fuel consumed on the East Coast, was hit on Friday with a cyberattack by hackers who lock up computer systems and demand a ransom to release them. The hackers didn't take control of the pipeline operations, but Colonial shut the pipeline down to contain the damage.
The attack raised concerns, once again, about the vulnerability of the nation's critical infrastructure.