What it did: It was formed as an electricity company in 1892 in a merger that included business owned by Thomas Edison, the inventor of the light bulb.
Where it is now: It evolved into a multinational giant with several business including power, oil and gas, aviation, and transportation. In April 2015, it began the process of selling most of its GE Capital assets to create a slimmer company.
It's been in and out of the Dow and is still listed.
Sources: Wikipedia