Helical HyperCom (HH) was a company that hired Galen Erso to work on Lokori. Renowned for the production of personal comm devices. Galen Erso joined the company's research team with the help of Orson Krennic. The company was in the midst of a crystal array that would boost communication relays between worlds and systems affected by the Clone Wars when Galen Erso came on board. As part of Helical Hypercom, Galen was in charge of overseeing quality assurance for the company.
- Catalyst: A Rogue One Novel (First mentioned)