Source: Certificate of Business, Wabash County Partnership Book 1 (1941-1985), p. 9, June 10, 1941:

The Schubert Company
Mfg of Farm Silos
North Manchester, Indiana
Firm Members/Partners:
M.V. Schubert, resides at North Manchester, Indiana
M.V. Schubert Jr., resides at North Manchester, Indiana

Source: Certificate of Business, Wabash County Partnership Book 1 (1941-1985), p. 157, June 15, 1948:

 Indiana Silo and Paint Co.
Manufacturing Paints and Silos
North Manchester, Indiana
Owner: M.V. Schubert