Ace Chemicals (Earth-1)

Ace Chemicals is a chemical processing plant in Gotham City.

Batman VS Killer Croc
The Ace Chemicals building was used for criminal acts by Killer Croc. Whether the building was out of commission, or if Croc took over the building by force, is unknown. He was eventually tracked down by Batman and Robin, who chased him through the city before defeating him in the sewers.

Related

 * Appearances of Ace Chemicals