| 3121 | Communication Equipment | Company Product |
| 3122 | Communication Software | Company Product |
| 3123 | Compact Disc Accessories | Company Product |
| 3124 | Community Service Agencies | Company Product |
| 3125 | Communication Consultants | Company Product |
| 3126 | Commodity Traders | Company Product |
| 3127 | Commodity Future Brokers | Company Product |
| 3128 | Commodity Surveyors | Company Product |
| 3129 | Commission Agency | Company Product |
| 3130 | Commercial Pick-ups | Company Product |
| 3131 | Commercial Vehicles | Company Product |
| 3132 | Commercial Photographers | Company Product |
| 3133 | Commercial Rice Cookers | Company Product |
| 3134 | Commodity Brokers | Company Product |
| 3135 | Commissioner of Oaths | Company Product |
| 3136 | Commercial Kitchen Equipment & Supplies | Company Product |
| 3137 | Combustion Controls | Company Product |
| 3138 | Commercial Dishwashing Machines | Company Product |
| 3139 | Column Packings | Company Product |
| 3140 | Comic Books | Company Product |
| 3141 | Colours | Company Product |
| 3142 | Colours Bar Generators | Company Product |
| 3143 | Colour Separation Machines | Company Product |
| 3144 | Colour Scanners | Company Product |
| 3145 | Colour Sensors | Company Product |
| 3146 | Colour Printers | Company Product |
| 3147 | Colour Matching | Company Product |
| 3148 | Colorimeters | Company Product |
| 3149 | Colloidial Lubricated Packings | Company Product |
| 3150 | Colour Consultants | Company Product |