"The Westinghouse Hanford Company (WHC) was a subsidiary of the Westinghouse Electric Corporation that served as the primary operations and engineering contractor for the U.S. Department of Energy (DOE) at the Hanford Site in Richland, Washington, from 1970 through the 1990s."
"Westinghouse Hanford Company operated the Hanford Site's Engineering Development Laboratory and its plutonium production reactors for the U.S. Department of Energy (DOE) from 1987 into the late 1990s. They managed major site operations, including the N Reactor. Today, Westinghouse maintains an active commercial presence in nearby Richland, WA, focused on nuclear fuel, plant services, and engineering"
https://en.wikipedia.org/wiki/Westinghouse_Electric_Corporation