I found this for Robinson on Marathon's site:
"Built in 1906 by Lincoln Oil Company; purchased in 1924 by MPC (then the Ohio Oil Company)"
"The Ohio Oil Company (Ohio Oil) was founded in 1887 when several northern Ohio oil production firms joined together to market their crude oil, satisfied to sell their products as crude oil and leave the refining and marketing to others. In June of 1924, Ohio Oil first ventured into marketing with the purchase of Lincoln Oil Refining Company (Lincoln Oil) of Robinson, Illinois. Lincoln Oil operated a refinery and 17 retail gasoline stations in the Robinson-Terre Haute area."
Might need to look in 1923 or 4?