| 601 | Carbon Steel Bushing | Company Product |
| 602 | Carbon Steel Fabricators | Company Product |
| 603 | Carbon Steel Heat Treatment | Company Product |
| 604 | Carbon Steel Pipe | Company Product |
| 605 | Carbon Steel Pipe Benders | Company Product |
| 606 | Carbon Steel Pipe Fittings | Company Product |
| 607 | Carbon Steel Pipes | Company Product |
| 608 | Carbon Steel Plate | Company Product |
| 609 | Carbon Steel Rails | Company Product |
| 610 | Carbon Steel Silo | Company Product |
| 611 | Carbon Steel Valves | Company Product |
| 612 | Carbon Teflon | Company Product |
| 613 | Carbon Tetrachloride | Company Product |
| 614 | Carbon Tower | Company Product |
| 615 | Carbon Vapour Gas Tank | Company Product |
| 616 | Carbon Vapour Tank | Company Product |
| 617 | Carbon Water Filter | Company Product |
| 618 | Carbon-Free Flame Generator | Company Product |
| 619 | Carbonic Gas Packings | Company Product |
| 620 | Carbons | Company Product |
| 621 | Carboys | Company Product |
| 622 | Carburetor Spacers | Company Product |
| 623 | Carburising Services | Company Product |
| 624 | Carcare | Company Product |
| 625 | Card Access Control Systems | Company Product |
| 626 | Card Index Cabinets | Company Product |
| 627 | Card Printers | Company Product |
| 628 | Card Printing Machines | Company Product |
| 629 | Card Punchers | Company Product |
| 630 | Card Readers | Company Product |