Ottawa, Kansas: Roskam Aviation and Engineering Corporation, 1985.

In 1937 he founded Atlantic Casting and Engineering Corporation and retired in 1945.

Director of Bangladesh Steel & Engineering Corporation (if full-time member of the Board of Directors)

In 1915 Carrier, along with six other engineers, pooled together $32,600 to form the Carrier Engineering Corporation.

Roskam Aviation and Engineering Corporation 1979.

In 1969, ownership of the company was turned over to Westomat Construction and Engineering Corporation (WCEC).

Engineering Corporation.

After this was completed, he formed a partnership, the Beaver Contracting and Engineering Corporation, with a high school classmate, Gordon Glazier.

Canada's General Kinetics Engineering Corporation designs and manufactures components for military and other tracked vehicles and high speed rail.

Pacific Research & Engineering Corporation (1999)