| 1231 | Digital Wattmeters | Company Product |
| 1232 | Display, Fountain, Garden Water Features | Company Product |
| 1233 | Drinking Water Coolers | Company Product |
| 1234 | Dish Washing Machines | Company Product |
| 1235 | Document Storage Warehouses | Company Product |
| 1236 | Digital Voltmeters | Company Product |
| 1237 | Door Viewers | Company Product |
| 1238 | Diaphragm Valves | Company Product |
| 1239 | Ductile Iron Valves | Company Product |
| 1240 | Drain Valves | Company Product |
| 1241 | Diamond Turning Tools | Company Product |
| 1242 | Dump Trucks | Company Product |
| 1243 | Digital/Analog Signal Transmission Systems | Company Product |
| 1244 | Differential Pressure Transmitters | Company Product |
| 1245 | Dry Type Transformers | Company Product |
| 1246 | Distribution Transformers | Company Product |
| 1247 | Density Transducers | Company Product |
| 1248 | Drilling Tools | Company Product |
| 1249 | Diamond Tools | Company Product |
| 1250 | Deburring Tools | Company Product |
| 1251 | Defrost Timers | Company Product |
| 1252 | Digital Thermometers | Company Product |
| 1253 | Dial Thermometers | Company Product |
| 1254 | Distance Reading Type Thermometers | Company Product |
| 1255 | Data Communication Testing Equipment | Company Product |
| 1256 | Disk Drive Testing Equipment | Company Product |
| 1257 | Dead Weight Testing Equipment | Company Product |
| 1258 | Double Coated, Double Sided Tapes | Company Product |
| 1259 | Duct Sealing Tapes | Company Product |
| 1260 | Distilled Tall Oil | Company Product |