Mars is also home to the Valles Colony. Terraformed from 2032 to 2040 and established in 2040 by Weyland Corp, Valles had a population of 16,780,000 as of January 1st 2073. Valles Colony was established to exploit vast deposits of rare-earth metal. Valles has five main industries; Mining, Refining, Light and Heavy Manufacturing and five key resources; Niobium, Europium, Neodymium, Copper and Chromium.
Mars is home to the Leo Colony. Terraformed from 2032 to 2040 and established in 2041 by Weyland Corp, Leo had a population of 22,670,000 as of January 1st, 2073. Leo Colony is known for being the largest security sector (weapons and logistics development and manufacture) and Atmosphere Processor facilities in the systems. Leo has six main industries: Mining, Tourism, Security, Terraforming, Light and Heavy Manufacturing and four key resources; Cerium, Nickel, Tungsten and Neodymium.
- In Prometheus, the hologram of Peter Weyland was recorded inside a colony on Mars which at the time of the hologram's recording was still under construction.