| 481 | Detroit Diesel 4-71 Diesel Engine | Company Product |
| 482 | Detroit Diesel 6-71 Diesel Engine | Company Product |
| 483 | Detroit Diesel 8v71 Diesel Engine | Company Product |
| 484 | Detroit Diesel 8v92ta Diesel Engine | Company Product |
| 485 | Detroit Diesel Engines | Company Product |
| 486 | Detroit Diesel Exhaust Valves | Company Product |
| 487 | Detroit Diesel Filters | Company Product |
| 488 | Detroit Diesels | Company Product |
| 489 | Devcon Products | Company Product |
| 490 | Deviation Meters | Company Product |
| 491 | Dew Point Meter | Company Product |
| 492 | Dew Point Sensor | Company Product |
| 493 | Dew Point Transmitters | Company Product |
| 494 | Dewar Tanks | Company Product |
| 495 | Dewatering & Pumping Contractors | Company Product |
| 496 | Dewatering Contractors | Company Product |
| 497 | Dewatering Drainage Pumps | Company Product |
| 498 | Dewatering Pumps | Company Product |
| 499 | Dewpoint Meters | Company Product |
| 500 | Dewval 838 | Company Product |
| 501 | Dexron III | Company Product |
| 502 | Dexron VI | Company Product |
| 503 | Diabetes | Company Product |
| 504 | Diabetic | Company Product |
| 505 | Diagnostic Reagents | Company Product |
| 506 | Diagnostic Tools | Company Product |
| 507 | Diagonal Brace | Company Product |
| 508 | Diagonal Packings | Company Product |
| 509 | Diagonal Pliers | Company Product |
| 510 | Dial Comparators | Company Product |