Super Star Shipyard was more known as abbreviated “SSS”.
SSS was based in Sol system and the company dominated in Sol market. They did have a solid competitor in Lightwave shipyard in Sol system.
The company specialized in custom shuttles and freighters. Their HQ office as well as a general factory were located on Moon. Meanwhile, location of their main shipyard was shrouded in secret.
The company was more known for its large freighter ships but they were also often commissioned to produce custom spaceships on demand. An example was VNN’s custom shuttle. SSS was also commissioned to produce custom shuttles for ENN as well.
After fall of United Sol, SSS volunteered to relocate its HQ to Venus but was denied. Instead, Cecil granted a small space station for them to use as their HQ a distance away from Venus.