| 2941 | Cooling Tower Cleaners | Company Product |
| 2942 | Cooling Tower Dispersant | Company Product |
| 2943 | Cooling Tower Fill Cleaners | Company Product |
| 2944 | Cooling Tower Pumps | Company Product |
| 2945 | Cooling Tower Vacuums | Company Product |
| 2946 | Cooling Water Control | Company Product |
| 2947 | Cooling Water Injection | Company Product |
| 2948 | Cooling Water Treatment Chemicals | Company Product |
| 2949 | Coordinate Measuring Instruments | Company Product |
| 2950 | Coordination Compounds | Company Product |
| 2951 | Copi Marble Chair | Company Product |
| 2952 | Copi Round Marble Table | Company Product |
| 2953 | Copiers | Company Product |
| 2954 | Copper | Company Product |
| 2955 | Copper Alloy | Company Product |
| 2956 | Copper Anodes | Company Product |
| 2957 | Copper Arc | Company Product |
| 2958 | Copper Bar | Company Product |
| 2959 | Copper Bars | Company Product |
| 2960 | Copper Braided Packings | Company Product |
| 2961 | Copper Brazing | Company Product |
| 2962 | Copper Brazing Alloys | Company Product |
| 2963 | Copper Busbars | Company Product |
| 2964 | Copper Bushing | Company Product |
| 2965 | Copper Cable Lugs | Company Product |
| 2966 | Copper Clad Laminates | Company Product |
| 2967 | Copper Electrode Tubes | Company Product |
| 2968 | Copper Electroplating | Company Product |
| 2969 | Copper Fit Fittings | Company Product |
| 2970 | Copper Fittings | Company Product |