| 1441 | Diodes | Company Product |
| 1442 | Direction Finders | Company Product |
| 1443 | Dip Switches | Company Product |
| 1444 | Direct Mail Service | Company Product |
| 1445 | Digital/Analog Signal Transmission System | Company Product |
| 1446 | Dining Set Furniture | Company Product |
| 1447 | Dimmer Switches | Company Product |
| 1448 | Digitizers | Company Product |
| 1449 | Digital Recorders | Company Product |
| 1450 | Digital Readout Systems | Company Product |
| 1451 | Digital Testing Instruments | Company Product |
| 1452 | Digital Indicators | Company Product |
| 1453 | Digital Multimeters | Company Product |
| 1454 | Digital Hydrometers | Company Product |
| 1455 | Digital Plotters | Company Product |
| 1456 | Differential Pressure Sensors | Company Product |
| 1457 | Differential Pressure Gauges | Company Product |
| 1458 | Diethylene Glycol | Company Product |
| 1459 | Dieticians | Company Product |
| 1460 | Diesel Service | Company Product |
| 1461 | Diesel Generating Sets | Company Product |
| 1462 | Diesel Oil | Company Product |
| 1463 | Diesel Parts | Company Product |
| 1464 | Diethanolamine | Company Product |
| 1465 | Diesel Fuel Injection Testing & Reconditioning Machines | Company Product |
| 1466 | Diesel Engines | Company Product |
| 1467 | Diesel Engine Pumps | Company Product |
| 1468 | Diesel Fuel Injection Equipment | Company Product |
| 1469 | Diesel Fuel Injection Equipment Reconditioning | Company Product |
| 1470 | Die Release Lubricants | Company Product |