| 511 | Weather Strip Packings | Company Product |
| 512 | Weather Strips | Company Product |
| 513 | Weatherbond | Company Product |
| 514 | Weatherbond Paints | Company Product |
| 515 | Weatherproof | Company Product |
| 516 | Weatherproof Connectors | Company Product |
| 517 | Weatherproof Enclosure Box | Company Product |
| 518 | Weatherproof Fluorescent Lighting | Company Product |
| 519 | Weatherproof Paints | Company Product |
| 520 | Weatherproof Panel Sockets | Company Product |
| 521 | Weatherproof Plugs | Company Product |
| 522 | Weatherproof Sealants | Company Product |
| 523 | Weatherproof Sockets | Company Product |
| 524 | Weatherproof Switches | Company Product |
| 525 | Weatherproofing | Company Product |
| 526 | Weatherseals | Company Product |
| 527 | Weatherstrip | Company Product |
| 528 | Web | Company Product |
| 529 | Web Data Loggers | Company Product |
| 530 | Web Design | Company Product |
| 531 | Web Designer | Company Product |
| 532 | Web Guide Controllers | Company Product |
| 533 | Web Guiding | Company Product |
| 534 | Web Hosting Service | Company Product |
| 535 | Web Offset Printing Machines | Company Product |
| 536 | Webbing Sling | Company Product |
| 537 | Webbing Slings | Company Product |
| 538 | Webbing Straps | Company Product |
| 539 | Webbings | Company Product |
| 540 | Webmail | Company Product |