Source: Notarized Certificate of Business, Wabash County Partnership Book 1 (1941-1985), p. 224, December 11, 1951:

D & M Machine Co.
Machine Shop
R.R. 1, North Manchester, Indiana
Partners:
Clyde Dixon, resides at N. Manchester, Ind.
Arden B. Metzger, resides at Laketon, Ind.