| 991 | Dissolved Oxygen Meters | Company Product |
| 992 | Dissolved Oxygen Probe | Company Product |
| 993 | Dissolved Oxygen Sensors | Company Product |
| 994 | Dissolved Oxygen Test Probes | Company Product |
| 995 | Distance Measurers | Company Product |
| 996 | Distance Meter | Company Product |
| 997 | Distance Reading Thermometers | Company Product |
| 998 | Distance Reading Type Thermometers | Company Product |
| 999 | Distilled Tall Oil | Company Product |
| 1000 | Distillers | Company Product |
| 1001 | Distillery Equipment | Company Product |
| 1002 | Distortion Analysers | Company Product |
| 1003 | Distortion Meters | Company Product |
| 1004 | Distributed Antenna System Australia | Company Product |
| 1005 | Distributed Antenna Systems | Company Product |
| 1006 | Distribution Boards | Company Product |
| 1007 | Distribution Boxes | Company Product |
| 1008 | Distribution Shaft | Company Product |
| 1009 | Distribution Systems | Company Product |
| 1010 | Distribution Tranformers | Company Product |
| 1011 | Distribution Transformers | Company Product |
| 1012 | Distributor Boom | Company Product |
| 1013 | Distributor Dynapac | Company Product |
| 1014 | Distriubtion Boxes | Company Product |
| 1015 | Diver's Services | Company Product |
| 1016 | Diverting Applications | Company Product |
| 1017 | Divider | Company Product |
| 1018 | Divider Gear | Company Product |
| 1019 | Divider Strip | Company Product |
| 1020 | Dividing Heads | Company Product |