Hell's Gate Disposal Services

Hell's Gate Waste Disposal and Legal Services, known as Hell's Gate Disposal Services for short, is the waste disposal service for Gotham City and a shell company for LexCorp, although it is secretly a front company for Two-Face. According to Two-Face, the name referenced the fact that the garbage and the legal system are one and the same in Gotham.

Arkham Knight Incident
During the Scarecrow's terror threat to Gotham City on Halloween, Hell's Gate Disposal Service deployed some garbage collection trucks for Two-Face in order to use as transports, thus he could rob three banks in the then-largely-abandoned-and-looted Gotham City. The office located on Miagani Island is one of the many riddles solution by the Riddler.

A Flip of a Coin Incident
Robin infiltrated the incinerator facility where the Two-Face's Gang were processing the stolen money from Blüdhaven banks. After interrogating the foreman, Robin learned of the private mansion where Two-Face was hiding.

Trivia

 * The old cryochamber used by Nora Fries can be found in the incinerator facility.