Trains and produces all Survivor infantry. Also allows different Guard Towers to be produced at certain Tech Levels. Often begins life as a Mobile Outpost.

Trains and produces all Evolved infantry, as well as allowing Guard Towers to be produced at certain Tech Levels. Can start out as a Mobile Clan Hall.

This builds all vehicles for the Survivors. It's the equivalent of the Evolved's Blacksmith and Beast Enclosure put together.

Costs less than the Survivors' Machine Shop, but doesn't produce quite as much. Builds all Evolved motorised vehicles.

Repairs Survivor vehicles. You got an Anaconda tank with a squeaky seat? Send it to the Repair Bay for some good ol' fashioned healin'!

This little house of procreation breeds all of the Evolved Beasts, made to order.