| 601 | Heating Circulators | Company Product |
| 602 | Heating Coil | Company Product |
| 603 | Heating Coils | Company Product |
| 604 | Heating Coils & Elements | Company Product |
| 605 | Heating Components | Company Product |
| 606 | Heating Elements | Company Product |
| 607 | Heating Elements & Accessories | Company Product |
| 608 | Heating Equipment | Company Product |
| 609 | Heating Equipment Accessories | Company Product |
| 610 | Heating Guns | Company Product |
| 611 | Heating Meter Calculator | Company Product |
| 612 | Heating Solution Equipment | Company Product |
| 613 | Heating Tapes | Company Product |
| 614 | Heating Torches | Company Product |
| 615 | Heating/cooling Control | Company Product |
| 616 | Heatless Dyers | Company Product |
| 617 | Heavy | Company Product |
| 618 | Heavy Duty | Company Product |
| 619 | Heavy Duty Air Tight Manhole Covers | Company Product |
| 620 | Heavy Duty Air Tight Manhole Frames | Company Product |
| 621 | Heavy Duty Applications | Company Product |
| 622 | Heavy Duty Automatic Horizontal Band Saws | Company Product |
| 623 | Heavy Duty Bins | Company Product |
| 624 | Heavy Duty Cables | Company Product |
| 625 | Heavy Duty Canvas | Company Product |
| 626 | Heavy Duty Canvas Zippers | Company Product |
| 627 | Heavy Duty Cast Iron Wheels | Company Product |
| 628 | Heavy Duty Cast Nylon Wheels | Company Product |
| 629 | Heavy Duty Casters | Company Product |
| 630 | Heavy Duty Catwalks | Company Product |