| 3391 | Crushing & Screening Plants | Company Product |
| 3392 | Cryogenic Equipment & Supplies | Company Product |
| 3393 | Cryogenic Tank | Company Product |
| 3394 | Cryogenic Treatment | Company Product |
| 3395 | Cryogenic Valves | Company Product |
| 3396 | Crypto | Company Product |
| 3397 | Crystal | Company Product |
| 3398 | Crystal Filters | Company Product |
| 3399 | Crystal Giftwares | Company Product |
| 3400 | Crystal Impedance Meters | Company Product |
| 3401 | Crystal Level | Company Product |
| 3402 | Crystal Oscillators | Company Product |
| 3403 | Crystal Retailers | Company Product |
| 3404 | Crystallizer Tanks | Company Product |
| 3405 | Crystallizers | Company Product |
| 3406 | Crystalwares | Company Product |
| 3407 | Csl | Company Product |
| 3408 | Ct | Company Product |
| 3409 | Ct With Built-In Transducers | Company Product |
| 3410 | Ct Woods | Company Product |
| 3411 | Ctr Suspension Parts | Company Product |
| 3412 | Cube Moulds | Company Product |
| 3413 | Cubic Boron Nitride Tools | Company Product |
| 3414 | Cultery | Company Product |
| 3415 | Cultural Organisations | Company Product |
| 3416 | Culture Stone | Company Product |
| 3417 | Cultured Milk Drinks Manufacturers | Company Product |
| 3418 | Cummins | Company Product |
| 3419 | Cup & Line Ball Bearings | Company Product |
| 3420 | Cup Brushes | Company Product |