| 3331 | Crown Moulding Cornices Corners | Company Product |
| 3332 | Crown Plaster Crown Mouldings | Company Product |
| 3333 | Crown Segment | Company Product |
| 3334 | Crown Staples | Company Product |
| 3335 | Crown Wheel Pinion | Company Product |
| 3336 | Crown Wheel Pinions | Company Product |
| 3337 | Crt Terminal, Computer Monitor Screen Glare Filters | Company Product |
| 3338 | Crucibles | Company Product |
| 3339 | Crude Rubber | Company Product |
| 3340 | Cruise | Company Product |
| 3341 | Cruise Travel Agencies | Company Product |
| 3342 | Crushed Stones | Company Product |
| 3343 | Crushers | Company Product |
| 3344 | Crushing & Pulverizing Equipment | Company Product |
| 3345 | Crushing & Screening Plants | Company Product |
| 3346 | Cryogenic Equipment & Supplies | Company Product |
| 3347 | Cryogenic Tank | Company Product |
| 3348 | Cryogenic Treatment | Company Product |
| 3349 | Cryogenic Valves | Company Product |
| 3350 | Crypto | Company Product |
| 3351 | Crystal | Company Product |
| 3352 | Crystal Filters | Company Product |
| 3353 | Crystal Giftwares | Company Product |
| 3354 | Crystal Impedance Meters | Company Product |
| 3355 | Crystal Level | Company Product |
| 3356 | Crystal Oscillators | Company Product |
| 3357 | Crystal Retailers | Company Product |
| 3358 | Crystallizer Tanks | Company Product |
| 3359 | Crystallizers | Company Product |
| 3360 | Crystalwares | Company Product |