| Navn | Postnummer | By |
|---|---|---|
| WAGO Denmark A/S | 3500 | Værløse |
| Wallmann A/S | 8600 | Silkeborg |
| Watter ApS | 6700 | Esbjerg |
| Wavin Denmark A/S | 8450 | Hammel |
| Webfleet | 8382 | Hinnerup |
| wedi GmbH Danmark | 3520 | Farum |
| West Diesel Engineering A/S | 6700 | Esbjerg |
| Wexøe A/S | 3500 | Værløse |
| Wicotec Kirkebjerg A/S | 2630 | Taastrup |
| Wimex A/S | 7800 | Skive |
| Wolff Svendsen A/S | 3400 | Hillerød |
| Würth Danmark A/S | 6000 | Kolding |