From Dragon Ball Encyclopedia, the ''Dragon Ball'' wiki
The Arcosians are a race from Planet Arcose.
The Arcosians were aligned with Freeza's Force. They were responsible for supplying the Saiyans with additional money and technology after they had conquered the Tsufruians. The Saiyans were known to interact with them when selling planets.
The Arcosians were mentioned in the FUNimation dub.