theres a great reportage on ARTE (for German/French only?!) about oil history: https://www.arte.tv/de/videos/092970-001-A/oel-macht-geschic... (only til 20th of Oct)

Yep, and Esso + Humble became Exxon. Other parts turned into Mobil, Amoco, Marathon, Unocal and Texaco...

(off to buy domain names efbe.com, effbee.com, ...)