| 661 | Diesel Engine Welders | Company Product |
| 662 | Diesel Engines | Company Product |
| 663 | Diesel Exhaust Fluid | Company Product |
| 664 | Diesel Filters | Company Product |
| 665 | Diesel Flowmeters | Company Product |
| 666 | Diesel Forklifts | Company Product |
| 667 | Diesel Forklifts Rental | Company Product |
| 668 | Diesel Forklifts Repair | Company Product |
| 669 | Diesel Forklifts Servicing | Company Product |
| 670 | Diesel Fuel Injection Equipment | Company Product |
| 671 | Diesel Fuel Injection Equipment Reconditioning | Company Product |
| 672 | Diesel Fuel Injection Testing & Reconditioning Machines | Company Product |
| 673 | Diesel Generating Sets | Company Product |
| 674 | Diesel Generator Sets | Company Product |
| 675 | Diesel Generators | Company Product |
| 676 | Diesel Genset | Company Product |
| 677 | Diesel Liners | Company Product |
| 678 | Diesel Mobile Cranes | Company Product |
| 679 | Diesel Motor Engine Grout Pumps | Company Product |
| 680 | Diesel Oil | Company Product |
| 681 | Diesel Oils | Company Product |
| 682 | Diesel Parts | Company Product |
| 683 | Diesel Pumps | Company Product |
| 684 | Diesel Pumps Rental | Company Product |
| 685 | Diesel Rammers | Company Product |
| 686 | Diesel Service | Company Product |
| 687 | Diesel Tachometers | Company Product |
| 688 | Diesel Tank Caps | Company Product |
| 689 | Diesel Tank Connector | Company Product |
| 690 | Diesel Trailer | Company Product |