Business: Specializes in short-run, custom-engineered radiator coils for a long list of applications from supercomputers to lasers to the heating and cooling systems on the B-1 bomber.
Founded: 1927
Headquarters: Chaska
Website: superradiatorcoils.com Executives: CEO and majority owner Jon Holt and his son, Rob, president.
Employees: 377, of whom 126 are in Chaska, the rest at plants in Richmond, Va., and Phoenix.
2007 revenue: $67 million, on track to reach $75 million this year.
Quote: "We try not to aggravate them. We just nip at their customer base a little bit." -- Rob Holt, talking about his chief competitor, a $300 million company that is a subsidiary of a Finnish conglomerate.
