Alphabetical company index for letter/character "C", page 77 of 117
- Clay Joint Elementary School District
- Clay Local School District
- Clay School District
- Clay-King.com
- Claymont City School District
- Claymont Steel Holdings Inc.
- Claysburg-Kimmel School District
- Clayton College and State University
- Clayton County
- Clayton County School District
- Clayton County, IA
- Clayton Holdings Inc.
- Clayton Municipal Schools
- Clayton Public School District
- Clayton Ridge Community School District
- Clayton School District
- Clayton Williams Energy Inc.
- Cle Elum-Roslyn School District
- Clean Air Gardening
- Clean Diesel Technologies Inc.
- Clean Energy Fuels Corp.
- Clean Harbors Inc.
- Cleantech Solutions International Inc.
- Clear Channel Communications Inc.
- Clear Channel Outdoor Holdings Inc.
- Clear Creek Amana Community School District
- Clear Creek Baptist Bible College
- Clear Creek County
- Clear Creek Elementary School District
- Clear Creek Independent School District
- Clear Creek School District No. Re-1
- Clear Fork Valley Local
- Clear Ink
- Clear Lake Community School District
- Clear Lake Regional Medical Center
- Clear Lake School District
- Clearbrook-Gonvick School District
- Clearfield Area School District
- Clearfield County
- Clearfield Hospital