- Bonnichsen, Bill1
- Book, Paul R.1
- Bourquin, Frederick, 1808-1
- Bracher, William1
- Bradt, Randy1
- Broderick, T.M.1
- Brower, J. V. (Jacob Vradenberg), 1844-19051
- Brown, Treacy & Sperry Co. (Saint Paul, Minn.)1
- Burritt, Elijah H. (Elijah Hinsdale), 1794-18381
- Burrus, R. F.1
- C.M. Foote & Co. (Minneapolis, Minn.)1
- C.S. Hammond & Company1
- C.S. Mendenhall (Firm)1
- Campion, Moira7
- Cannon, William F.1
- Canoe Country Outfitters1
- Cappelen, Frederick Wilhelm (1857-1921)9
- Carlson, D. R. (David Roy)1
- Chandler, Val W.52
- Chapman, Silas4