Cleveland Columbus & Cincinnati Inc (CCC)
Cleveland, OH
MC-003419 DoT 123991
Became part of US Truck Lines. Liquidated 1987
Profiled in Mike Terebecki's The Trucking Pioneers Book VIII (click image to see Book index)
Patches of it that are in my project - Facebook Trucking Industry Insignia Patches
Other known patches
If you want your own trucking company memoribilia:
Items available on eBay
Note that patches sold by "freedomfifty2k" and "bob82ndabn325inf"are likely promo/replica patches, not patches actually used by the company represented.