| 661 | Electronic Measuring Instruments | Company Product |
| 662 | Electronic Message Display Terminals | Company Product |
| 663 | Electronic Meters | Company Product |
| 664 | Electronic Microscopes | Company Product |
| 665 | Electronic Motor Contactors | Company Product |
| 666 | Electronic Motor Starters | Company Product |
| 667 | Electronic Motors | Company Product |
| 668 | Electronic Noise Generators | Company Product |
| 669 | Electronic Parts Assemblers | Company Product |
| 670 | Electronic Parts Storage Cabinets | Company Product |
| 671 | Electronic Pgt Tape Dispensers | Company Product |
| 672 | Electronic Pliers | Company Product |
| 673 | Electronic Power Supply Units | Company Product |
| 674 | Electronic Pressure Sensors | Company Product |
| 675 | Electronic Pressure Switches | Company Product |
| 676 | Electronic Products | Company Product |
| 677 | Electronic Publishers | Company Product |
| 678 | Electronic Pulse Counters | Company Product |
| 679 | Electronic Pulse Generators | Company Product |
| 680 | Electronic Pulse Meters | Company Product |
| 681 | Electronic Pump Controller | Company Product |
| 682 | Electronic Queue Numbering Systems | Company Product |
| 683 | Electronic RF Generators | Company Product |
| 684 | Electronic Relays | Company Product |
| 685 | Electronic Remote Controllers | Company Product |
| 686 | Electronic Research & Development | Company Product |
| 687 | Electronic Scales | Company Product |
| 688 | Electronic Scoreboards | Company Product |
| 689 | Electronic Scrap Disposal | Company Product |
| 690 | Electronic Scraps | Company Product |