| 991 | Centre Drill Bits | Company Product |
| 992 | Centre Grinding Machines | Company Product |
| 993 | Centre Guide Sprockets | Company Product |
| 994 | Centre Lathes | Company Product |
| 995 | Centre, Twist Drill Bits | Company Product |
| 996 | Centreless Grinding Machines | Company Product |
| 997 | Centrifugal Air Compressors | Company Product |
| 998 | Centrifugal Barrel Finishing Machines | Company Product |
| 999 | Centrifugal Blowers | Company Product |
| 1000 | Centrifugal Clutches | Company Product |
| 1001 | Centrifugal Compressors | Company Product |
| 1002 | Centrifugal Exhaust Fans | Company Product |
| 1003 | Centrifugal Fans | Company Product |
| 1004 | Centrifugal Humidfication Systems | Company Product |
| 1005 | Centrifugal Humidifiers | Company Product |
| 1006 | Centrifugal Impeller Pumps Overhaul | Company Product |
| 1007 | Centrifugal Impeller Pumps Repair | Company Product |
| 1008 | Centrifugal Oil Filters | Company Product |
| 1009 | Centrifugal Pumps | Company Product |
| 1010 | Centrifugal Separators | Company Product |
| 1011 | Centrifugation | Company Product |
| 1012 | Centrifuge | Company Product |
| 1013 | Centrifuge Tubes | Company Product |
| 1014 | Centrifuges | Company Product |
| 1015 | Centrifuges: Mud | Company Product |
| 1016 | Ceps | Company Product |
| 1017 | Ceramic | Company Product |
| 1018 | Ceramic Aroma Diffusers | Company Product |
| 1019 | Ceramic Blankets | Company Product |
| 1020 | Ceramic Blower Heater | Company Product |