No Prerequisites:
Command Center (China Version): Similar to Generals, but comes with free radar.
Cold Fusion Reactor: Same as from Generals.
Barracks (China Version): Same as from Generals.

Requires Cold Fusion Reactor:
Supply Center (US version): Same as from Generals.
Patriot Missile System: Same as from Generals.

Requires Barracks:
Tunnel Network: Same as from Generals.
Bunker: Same as from Generals.

Requires Supply Center:
Arms Dealer: Similar to Generals, but cost decreased to 2000.
Air Field (China Version): Same as from Generals.

Requires Arms Dealer or Airfield:
Strategy Center: Same as from Generals.

Requires Strategy Center:
Internet Center: Same as from Generals.
SCUD Storm: Similar to Generals, but shuts down when player has a shortage of power.