| 901 | Ceiling Reliefs | Company Product |
| 902 | Ceiling Repair | Company Product |
| 903 | Ceiling Suspension Systems | Company Product |
| 904 | Ceiling Switches | Company Product |
| 905 | Ceiling Tiles | Company Product |
| 906 | Ceiling Work | Company Product |
| 907 | Ceiling Works | Company Product |
| 908 | Ceiling, Wall Cornices | Company Product |
| 909 | Ceilings | Company Product |
| 910 | Cell Culture Consumables | Company Product |
| 911 | Cell Culture Incubator | Company Product |
| 912 | Cell Culture Plates | Company Product |
| 913 | Cell Handling | Company Product |
| 914 | Cell Manipulation | Company Product |
| 915 | Celling Cassette Pumps | Company Product |
| 916 | Cellophane & Cellulose Materials & Products | Company Product |
| 917 | Cellophane Packaging Materials | Company Product |
| 918 | Cellophane Tapes | Company Product |
| 919 | Cells | Company Product |
| 920 | Cellular Telephones | Company Product |
| 921 | Cellular Telephones Accessories | Company Product |
| 922 | Cellulose Fillers | Company Product |
| 923 | Cellulose Tape | Company Product |
| 924 | Cellulose Tapes | Company Product |
| 925 | Celtron Load Cells | Company Product |
| 926 | Cement | Company Product |
| 927 | Cement Agitators | Company Product |
| 928 | Cement Batch Plants | Company Product |
| 929 | Cement Batching Plants | Company Product |
| 930 | Cement Bricks | Company Product |