| 661 | Marine Transmission, Parts & Services | Company Product |
| 662 | Marine Travel Agencies | Company Product |
| 663 | Marine Vacuum | Company Product |
| 664 | Marine Vacuum Cleaners | Company Product |
| 665 | Marine Valves | Company Product |
| 666 | Marine Vinyl | Company Product |
| 667 | Marine Wall Panels | Company Product |
| 668 | Marine Warning Lights | Company Product |
| 669 | Marine Water Distillation Equipment | Company Product |
| 670 | Marine Winches | Company Product |
| 671 | Marine Window Wipers | Company Product |
| 672 | Marine Windows | Company Product |
| 673 | Marine Wipers | Company Product |
| 674 | Marine Wires | Company Product |
| 675 | Marine Wood Decking | Company Product |
| 676 | Maritime Cleaning | Company Product |
| 677 | Maritime Communications | Company Product |
| 678 | Maritime Satelite Communications | Company Product |
| 679 | Markers | Company Product |
| 680 | Market Research & Analysis | Company Product |
| 681 | Marketing Agency | Company Product |
| 682 | Marketing Consultants | Company Product |
| 683 | Marketing Red Packet | Company Product |
| 684 | Marketing Stickers | Company Product |
| 685 | Markets | Company Product |
| 686 | Marking & Writing Inks | Company Product |
| 687 | Marking Devices | Company Product |
| 688 | Marking Gauge | Company Product |
| 689 | Marking System | Company Product |
| 690 | Marking System Solutions | Company Product |