Het hoofdstuk Verwarmingsinstallaties betreft het geheel van leveranties en werkzaamheden, nodig voor het in het werk brengen en bedrijfsgereed maken van leidingen en kanalen voor warmtedistributie, toevoer van verbrandingsolie en verbrandingslucht, toevoer van rookgassen, lichamen voor warmteafgifte en apparaten voor warmte- opwekking.
| Naam | Specialisatie | Plaats |
|---|---|---|
| Weijs-Voermans Installatie techniek VOF | 60.51 43.22 | Blitterswijck |
| Weiss Technik Nederland B.V. | 57.00 61.12 62.12 61.00 62.00 61.13 61.32 61.41 61.42 68.00 62.13 61.11 61.14 61.36 61.38 61.33 61.43 61.51 61.60 61.81 61.82 61.83 62.11 62.14 62.31 62.33 62.38 62.41 62.42 62.51 62.81 62.82 62.71 68.31 68.32 60.00 60.11 60.12 60.13 60.14 62.74 68.33 68.34 68.41 43.22 | Tiel |
| Wel Groep | 05.h 78.00 61.13 52.13 68.00 68.31 68.32 68.33 68.34 68.41 68.51 68.52 78.11 78.12 78.31 78.41 78.51 78.61 78.81 78.75 60.13 62.13 70.13 52.12 51.12 50.12 55.12 60.12 61.12 62.12 | Houten |
| Welgraven Bennekom B.V. | 50.00 51.00 52.00 53.00 54.00 43.22 60.51 25.11 | Bennekom |
| Welldone Installatietechniek B.V. | 33.63 50.00 51.00 52.00 53.00 60.00 60.00 43.22 60.51 | Epe |
| Wellplast B.V. | 14.00 14.33 05.32 14.64 70.74 50.31 23.43 33.00 60.74 53.00 53.80 02.a | Ermelo |
| Wemmers Installatiebedrijf B.V. | 50.00 51.00 52.00 53.00 54.00 70.00 75.00 75.a 55.00 54.a 56.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 70.00 43.22 81.21 | Bleskensgraaf |
| Wennekes Welding Support B.V. | 50.00 51.00 52.00 53.00 54.00 55.00 56.00 57.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 | Mill |
| Wenters Tegels & Vloeren | 41.32 41.42 60.41 | Winterswijk |
| Werkendamse Verwarmings Centrale B.V. | 50.00 51.00 52.00 53.00 54.00 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 43.21 | Werkendam |
| Werkendamse Verwarmings Industrie B.V. | 55.00 60.00 61.00 68.00 55.00 60.00 61.00 43.22 | Werkendam |
| Werktuigbouwkundig Installatiebedrijf J. Meijer B.V. | 50.00 60.51 53.00 55.00 05.34 52.00 | Arnhem |
| WERNER MAES BVBA | 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 57.00 60.00 60.12 61.00 61.12 62.00 62.12 68.00 55.00 60.00 61.00 62.00 60.10 60.50 61.10 62.10 63.20 65.10 65.20 65.50 68.00 77.10 77.20 77.30 77.40 77.50 43.22 6 T6.61 6 T6.62 6 T6.63 6 T6.65 35.10 | SINT-NIKLAAS |
| Wesselink Buunk B.V. | 60.00 55.00 50.00 14.00 51.00 | Enschede |
| Westerdijk B.V. | 70.00 33.33 55.00 50.00 51.00 52.00 53.00 54.00 60.00 61.00 43.22 43.21 | Delfzijl |
| Westerink B.V. | 60.51 | Lieren |
| Westerlaken Techniek B.V. | 61.00 62.00 60.00 52.00 68.00 | Almkerk |
| Western Airconditioning B.V. | 61.00 62.00 62.12 61.00 62.00 62.51 60.51 62.41 60.42 | Hoevelaken |
| Westerveld Installatietechniek B.V. | 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 60.00 61.00 62.00 33.62 33.61 55.00 60.00 61.00 62.00 43.22 | Bergeijk |
| Weststrate Loodgieters Lisse | 33.33 50.00 60.00 52.00 55.00 51.00 33.34 33.54 55.00 60.00 43.22 | Lisse |
| Wetec B.V. | 43.21 70.33 60.51 70.00 54.70 75.51 | Stellendam |
| WEVERBERGH RUDI NV | 50.00 51.00 52.00 53.00 54.00 54.a 55.00 56.00 57.00 60.00 60.12 61.00 61.12 62.00 62.12 68.00 55.00 60.00 61.00 62.00 43.22 60.00 | PEPINGEN |
| WGF Technical Services B.V. | 60.00 61.60 51.00 53.00 61.00 62.00 00.AI | Haarlem |
| Wichmann Installatiebedrijf | 50.00 53.00 60.00 52.00 60.00 43.22 | Herwen |
| Wietse Slager | 50.00 51.00 52.00 53.00 54.00 43.22 60.51 | Noordwolde FR |