Buildings

Government
Embassy

Government Center

National Program Center

Research
Biological Research Center

Civilian Research Center

Covert R&D Lab

Space Research Center

Top Secret Research Center

Materials/Money
City

Drug Compound

Green Energy Plant

Large City

Material Depot

Nuclear Power Plant

Settlement

Substrate Miner

Thermal Bore

Tree Farm

Other
Cyber Warfare Division

Hospital

Religious Center

Space Program Center

Terrorist HQ

Terrorist Propaganda Tower

Weather Manipulator

Research and Production
Airport

Barracks

Hall of Heroes

Military Research Center

Prototype Weapons Lab

Shipyard

Defensive Structures
Artillery Emplacement

Bunker

Flak Turret

Hyperflak Turret

Large Shield Generator

Missile Defense Station

Missile Silo

Mortar Installation

Radar Dish

Super Radar Tower

Stealth Generator

Tesla Tower

Wall (Horizontal)

Wall (Vertical)

Space Structures
Antimatter Reactor

Large Hadron Collider

Laser Cannon Turret

Space Barracks

Space Factory

Space Port

Space Settlement

Terraform Dome

Alien Structures
Alien City

Alien Tech Lab

Photon Cannon

Alien Capital City
The alien capital city is unique to the alien homeworld and cannot be created. Once captured, it will summon an Alien Star Destroyer on course for Earth.

Earth Structures
Destructible Bridges

Mad Scientist's Lab (obsolete)

Major City

Offshore Platform

Demonic Structures
Gate to Hell

Old Ones Temple

World Altering Missile- While it can be created, one can also be found in the Hell dimension.

Zombified Structures
A zombified city will be created if any city is infected by alpha zombies, omega zombies, or zombiens.

Resources
Hellfire Deposits

Meteorite Deposits

Oil

Terrazine

Trees