- Peterson Biddick, Shelly, Minn.; C. H. Mack, Ada, Minn.; E. F. Shimerhorn, Barnesville, Minn.1
- Peterson and Riddick1
- Roy W. Mann1
- V. O. Boelens, Archer, Mont., and in part by Art Lester, Plentywood, Mont.1
- W. H. Hentges, Frazer, Mont. ; Gus Sands, Richland, Mont.1