Endless
Precursors
 
Endless Tidal Plant: An Endless gravitational plant has been harnessing the incredible tidal power of the gas giant it is orbiting. This energy can finally be put to use. (+IND)
Battle Wreckage: Remains of an ancient fleet are scattered in a loose orbit of the planet. Destroyed beyond repair, but the raw materials can be salvaged. (+Ship building capacity)
  
Endless Locker: An underground depot where thousands of Endless cultural items were stored. Only few remain, but they have massive cultural value. (+INF)
Pirate Base: The base has been completely evacuated long ago, but has massive holds and repair bays that can be repaired. (+Repair capacity on system)

Endless Refinery: This derelict refinery can be rebuilt for massive raw materials boost. (+Strategic Deposits)
Forgotten Probe: A decayed study station from an unknown precursor race still monitoring the planet has been collecting data for ages, for purposes unknown. Some of the data has applicable uses. (+SCI)