1910 Owned Chicago Lumber Co., Manistique, MI.
1914 Owned Consolidated Lumber Co., Manistique.
1919 Owned Michigan Limestone & Chemical Company, Detroit, Michigan; 180 HP.
1929 Owned M. Sullivan Dredge Company, Detroit.
1931 Increased to 250hp.
1934 Owned U.S. Dredging Co., Chicago, IL.
1935 Owned U.S. Dredge & Dock Company, Wyandotte.
1941 Abandoned near Detroit.
1946 Dropped from registry, dismantled.