- Chickasha Milling Co.1
- Cleveland Milling Co.1
- Clyde Liggett, Washington, D. C.1
- Coast Flour Corporation1
- Collins Flour Mills, Inc.1
- Columbia Milling Co.1
- Concordia Mill & Elevator Co.1
- Consolidated Flour Mills Co.1
- Consolidated Flour Mills Co., San Francisco, Calif.1
- Consolidated Warehouse Co.1
- Continental Milling Co.1
- Cremer-Erickson Co.1
- Crown Mills2
- Crown Mills, Portland, Oreg.2
- Crown Mills, Seattle, Wash.1
- Crown Mills, a corporation, Portland, Oreg.1
- Crowther Bros. Milling Co.1
- Crowther Bros., Malad, Idaho1
- Delta Grocery & Cotton Co.3
- Dillsburg Grain & Milling Co.1