| 601 | Marine Machinery & Engines | Company Product |
| 602 | Marine Metal Fabrication | Company Product |
| 603 | Marine Mufflers & Exhaust Systems | Company Product |
| 604 | Marine & Nautical Supplies | Company Product |
| 605 | Marine Navigation Lamps | Company Product |
| 606 | Marine Navigation Lights | Company Product |
| 607 | Marine & Offshore Equipment | Company Product |
| 608 | Marine Oil Exploration | Company Product |
| 609 | Marine Outfitting Fabrication | Company Product |
| 610 | Marine Overalls | Company Product |
| 611 | Marine Paints | Company Product |
| 612 | Marine Plugs | Company Product |
| 613 | Marine Plywood | Company Product |
| 614 | Marine Power Connections | Company Product |
| 615 | Marine Propeller Repair | Company Product |
| 616 | Marine Propellers | Company Product |
| 617 | Marine Propulsion | Company Product |
| 618 | Marine Propulsion Diesel Engines | Company Product |
| 619 | Marine Protection | Company Product |
| 620 | Marine Pumps | Company Product |
| 621 | Marine Radio Communication Equipment & Systems | Company Product |
| 622 | Marine Refrigeration Repair | Company Product |
| 623 | Marine Refrigeration Servicing | Company Product |
| 624 | Marine Repair | Company Product |
| 625 | Marine Repair Tapes | Company Product |
| 626 | Marine Resin Floor | Company Product |
| 627 | Marine Reupholstering | Company Product |
| 628 | Marine Rope | Company Product |
| 629 | Marine Ropes | Company Product |
| 630 | Marine Rudder & Tail Shaft | Company Product |