Armstrong Meat Processing and Packaging plant

The Armstrong Meat Processing and Packaging plant is located on the outskirts of Rapid City, South Dakota. While it might once have been used for processing and packing meat, it's now derelict and the perfect place for, say, a trio of Mini-Cons to hide out in.

Dreamwave Armada comic
The Air Defense Mini-Con Team picked this building to hide out in after being activated on Earth. They spent the time playing Chess and trying to decide whether or not to get involved in the Autobot/Decepticon conflict. In the end, the discussion was rendered moot when Megatron smashed through the ceiling to get them. Jetstorm and Runway were immediately seized, while Sonar made a run for it, before being chased down by Starscream. Unknown to Megatron, Leader-1 had allowed the Mini-Con trio to send a distress signal, and the Decepticons were subsequently spotted returning to Silver Ridge with their captives.