| 601 | Air Cooled Petrol Engines | Company Product |
| 602 | Air Cooled Piston Compressors | Company Product |
| 603 | Air Cooled Screw Chillers | Company Product |
| 604 | Air Cooled Units | Company Product |
| 605 | Air Cooler Machines | Company Product |
| 606 | Air Coolers | Company Product |
| 607 | Air Cooling Machines | Company Product |
| 608 | Air Couplers | Company Product |
| 609 | Air Curtains | Company Product |
| 610 | Air Curtains & Screens | Company Product |
| 611 | Air Cylinder | Company Product |
| 612 | Air Cylinders | Company Product |
| 613 | Air Damper | Company Product |
| 614 | Air Dampers | Company Product |
| 615 | Air Diaphragm Pumps | Company Product |
| 616 | Air Diffusers | Company Product |
| 617 | Air Disinfectant Chemicals | Company Product |
| 618 | Air Dryer Machines | Company Product |
| 619 | Air Dryers | Company Product |
| 620 | Air Duct | Company Product |
| 621 | Air Dusters | Company Product |
| 622 | Air Ejector Fan | Company Product |
| 623 | Air Ejectors | Company Product |
| 624 | Air Eliminators | Company Product |
| 625 | Air Equipment | Company Product |
| 626 | Air Fastener | Company Product |
| 627 | Air Fasteners | Company Product |
| 628 | Air Feeders | Company Product |
| 629 | Air Filter Assemblies | Company Product |
| 630 | Air Filter Bags | Company Product |