| 781 | Air Velocity Products | Company Product |
| 782 | Air Velocity Transducers | Company Product |
| 783 | Air Velocity Transmitters | Company Product |
| 784 | Air Vent Valve Etc. | Company Product |
| 785 | Air Vents | Company Product |
| 786 | Air Whistles | Company Product |
| 787 | Air Winches | Company Product |
| 788 | Air, Ball, Stop Cocks | Company Product |
| 789 | Air,comp,bearing | Company Product |
| 790 | Air,comp,bush | Company Product |
| 791 | Air,comp,gasket | Company Product |
| 792 | Air,comp,gasket,kit | Company Product |
| 793 | Air,comp,head | Company Product |
| 794 | Air,comp,liner | Company Product |
| 795 | Air,comp,pipe | Company Product |
| 796 | Air,comp,piston | Company Product |
| 797 | Air,comp,shim | Company Product |
| 798 | Air,comp,spring | Company Product |
| 799 | Air,compressor,bearing,cover | Company Product |
| 800 | Air,compressor,cover | Company Product |
| 801 | Air-Blast Freezers | Company Product |
| 802 | Air-Cond Compressor | Company Product |
| 803 | Air-Cond Sponge | Company Product |
| 804 | Air-Condition Accessories | Company Product |
| 805 | Air-Condition Ducted | Company Product |
| 806 | Air-Conditioning | Company Product |
| 807 | Air-Conditioning Repair | Company Product |
| 808 | Air-Cooled Generators | Company Product |
| 809 | Air-Cooled Type Synchronous Generators | Company Product |
| 810 | Air-Cooling Air Dryers | Company Product |