| WORD | NAME | DESCRIPTION | |
| WANEQUIP | Technology | 55151535 - Wide Area Networking Equipment | Full Description |
| WAREHOUSECLUB | Consumer Non-Cyclicals | 50101530 - Warehouse Clubs and Superstores | Full Description |
| WASTECOLLECTION | Business Services | 10102510 - General Waste Collection | Full Description |
| WASTEMGMT | Business Services | 101025 - Waste Management Services | Full Description |
| WASTESVCE | Business Services | 10102520 - Other Waste Services | Full Description |
| WASTEWATER | Business Services | 10102525 - Wastewater Treatment Services | Full Description |
| WATER | Utilities | 651015 - Water Utilities | Full Description |
| WATERINTL | Utilities | 65101510 - International Water Utilities | Full Description |
| WATERMULTINAT | Utilities | 65101520 - Multi-National Water Utilities | Full Description |
| WATERUS | Utilities | 65101515 - United States Water Utilities | Full Description |
| WEARABLETECH | Technology | 55152550 - Wearable Technology Since 2018-02-02 | Full Description |
| WEBDATA | Technology | 55201035 - Web-Based Data and Services | Full Description |
| WEIGHTMGMT | Healthcare | 35101535 - Weight Management Biopharmaceuticals | Full Description |
| WIRELESS | Telecommunications | 60101510 - Wireless Services | Full Description |
| WIRELESSINFEQUIP | Technology | 55151540 - Wireless Core Infrastructure Equipment | Full Description |
| WIRELESSMOBILEEQUIP | Technology | 55151545 - Wireless Mobile Equipment | Full Description |
| WIRELINE | Telecommunications | 60101515 - Wireline Services | Full Description |
| WOOD | Non-Energy Materials | 45201010 - Construction Wood Products | Full Description |
| WOODPAPER | Non-Energy Materials | 452010 - Forestry and Paper Products | Full Description |
| WOODPAPEROTHER | Non-Energy Materials | 45201015 - Other Forestry and Paper Products Manufacturing | Full Description |