Andrew RyanHQ
"There is something more powerful than each of us, a combination of our efforts, a Great Chain of industry that unites us. But it is only when we struggle in our own interest that the chain pulls society in the right direction..."Andrew Ryan

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Oxy Fill Gas

Oxy-Fill is a petroleum fuel business in Rapture that specializes in refueling the Drills and other equipment used by underwater divers and the Big Daddies. They are the manufacturers of the Fuel Stations seen throughout the city.

BioShock 2Edit

Elevator reveal

The false Oxy-Fill station concealing the way into Persephone.

Main article: BioShock 2

Outside the research laboratories of Fontaine Futuristics is a false Oxy-Fill station that conceals the way into Persephone. After Subject Delta obtains the Genetic Key from Gilbert Alexander, he gains access to the elevator leading down to Persephone.