Why we like it: For being one of the biggest companies on the planet, the folks behind @Chevron have been able to maintain a sense of humor. They also post some jaw-dropping pictures.
Why we like it: BP breaks into the vintage photo vaults every once in a while and pulls out some gems. Amazingly it has the fewest number of followers in this list by far.
Why we like it: ExxonMobil oscillates between the #1 and #2 spot on the Fortune 500, but they show they can keep it local.
Why we like it: We’ll be honest, the beautiful pictures of motorcycles really do it for us.
5. BG Group
Why we like it: The great images and fun facts remind us why we are in the business to begin with.