Ajax Steel Mill

The  is a limited-time premium building that was released on June 3, 2015 as part of the Pride Month 2015 Event as a Gil Deal. Upon completion, Roscoe is unlocked.

It returned on June 2, 2016, for the Homer's Chiliad 2016 Event where it a rebate of 50 Donuts once purchased and again on March 13th 2019 in the Yearbook Mystery Box.

About
The  is a steel mill in Springfield. It also doubles as a nightclub called The Anvil.

Regular
Duffman Roscoe Smithers
 * Dance Outside the Steel Mill - 5h
 * Dance Outside the Steel Mill - 5h
 * Dance Outside the Steel Mill - 5h

Gil Deal Quest Based
Springfielders
 * Get Down at the Anvil - 4h