| 3241 | Clay Pavers | Company Product |
| 3242 | Clay Fancy Screens | Company Product |
| 3243 | Concrete Formwork Clamps | Company Product |
| 3244 | Clamps | Company Product |
| 3245 | Clamping Elements | Company Product |
| 3246 | Clamp Joints | Company Product |
| 3247 | Civil Engineering Contractors | Company Product |
| 3248 | Civil Engineers | Company Product |
| 3249 | City Town & Regional Planners | Company Product |
| 3250 | Citric Acid | Company Product |
| 3251 | Circular Saw Blades | Company Product |
| 3252 | Circular Saws | Company Product |
| 3253 | Circular Sawing Machines | Company Product |
| 3254 | Circulation Heaters | Company Product |
| 3255 | Circulators | Company Product |
| 3256 | Circular Chart Recorders | Company Product |
| 3257 | Circuit Breakers | Company Product |
| 3258 | Cinematographic Equipment | Company Product |
| 3259 | Circlips | Company Product |
| 3260 | Cigar, Cigarette & Tobacco Manufacturers' Equipment & Supplies | Company Product |
| 3261 | Cigar & Cigarette Lighters | Company Product |
| 3262 | Cigar, Cigarette & Tobacco | Company Product |
| 3263 | Church of Christ Churches | Company Product |
| 3264 | Catholic Byzantine Churches | Company Product |
| 3265 | Church Supplies | Company Product |
| 3266 | Churches | Company Product |
| 3267 | Chucking Lathes | Company Product |
| 3268 | Chucks | Company Product |
| 3269 | Collet Chucks | Company Product |
| 3270 | Chuck Lathes | Company Product |