From Halopedia, the Halo wiki
New Branch Construction is a human construction corporation and a division of Nygren Industries.
The company was responsible for building at least one skyscraper in New Mombasa Section 21, but it was never finished due to the Battle of Earth forcing the evacuation of the city.
In 2556, New Branch Construction was under "Active Investigation" by ONI after the Sedra terrorist attack.
The company had facilities in the following cities and locations: