| 3601 | Calipers | Company Product |
| 3602 | Calibrators: Potentiometer | Company Product |
| 3603 | Calibrators | Company Product |
| 3604 | Current Calibrators | Company Product |
| 3605 | Calendars | Company Product |
| 3606 | Calcium Silicate Insulation Materials | Company Product |
| 3607 | Calibrated Steel Rollers | Company Product |
| 3608 | Calcium Silicate | Company Product |
| 3609 | Calculating & Adding Machine Supplies | Company Product |
| 3610 | Calculating & Adding Machines | Company Product |
| 3611 | Calcium Hypochlorite | Company Product |
| 3612 | Calcium Chloride | Company Product |
| 3613 | Calcium Carbonate | Company Product |
| 3614 | Calcium Carbide | Company Product |
| 3615 | Chinese Cafes | Company Product |
| 3616 | Chinese Herbal Cafes | Company Product |
| 3617 | Cadmium Electroplating | Company Product |
| 3618 | Cad-cam Systems | Company Product |
| 3619 | Cafes | Company Product |
| 3620 | Cantonese Cafes | Company Product |
| 3621 | Computer Cables | Company Product |
| 3622 | Coaxial Cables | Company Product |
| 3623 | Control Cables | Company Product |
| 3624 | Communication Cables | Company Product |
| 3625 | Compensating, Telemetric Cables | Company Product |
| 3626 | Cables | Company Product |
| 3627 | Cable Testing & Measuring Equipment | Company Product |
| 3628 | Cable Support Systems | Company Product |
| 3629 | Cable Terminals | Company Product |
| 3630 | Cable Splicing Systems | Company Product |