Jared, There is a book titled "The Gas Station In America"
The title including the series it is from is: The Gas Station in America (Creating the North American Landscape)
that as I recall listed all/most of the beginnings and mergers of oil companies up until 1990 or so. Sorry, I don't remember author
The author is John A. Jakle, Keith A. Sculle
The ISBN number for the book is 0801869196 or publisher
Sorry couldn't find out who the publisher was.
There was a reprint of the book done in 2002. It is available from both Amazon and Barnes & Noble (used books)---you can always check to see if others have it available.