About the marque
Mason Dynamics Inc. is present in the NHTSA registry with an Inc. model label, and commercial-carrier records identify a company using the same name. The accessible evidence does not establish a reliable founding date, country, vehicle class or production chronology, so the catalog does not infer that it was a passenger-car manufacturer. The exact registry identity is preserved and kept separate from unrelated Mason engineering firms, Dynamics-branded vehicles and vehicle upfitters.
Text adapted from “Mason Dynamics” on Wikipedia ↗ · CC BY-SA 4.0 ↗