Stratus 2000, Inc was an American aircraft engine manufacturer based in Camano Island, Washington and later in Corvallis, Oregon. The company specialized in the design and manufacture of engines based on Subaru automotive engines for homebuilt aircraft. Originally founded as Stratus, Inc. in 1992 by Reiner and Petra Hoffmann, the company was sold in 1999 to Mykal Templeman and renamed Stratus 2000, Inc. The company seems to have gone out of business about 2008 and engine production ended.