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