Het hoofdstuk Gasinstallaties betreft het geheel van leveranties en werkzaamheden, nodig voor het in het werk brengen en bedrijfsgereed maken van toevoerleidingen en voorraadhouders voor gassen, met uitzondering van perslucht.
| Naam | Specialisatie | Plaats |
|---|---|---|
| WILLEMSEN ANDRE 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 43.22 6 T6.63 6 T6.65 60.00 61.00 | ARENDONK |
| Willemsen Installatie B.V. | 50.00 51.00 52.00 53.00 54.00 70.00 75.00 78.00 55.00 56.00 57.00 60.00 61.00 62.00 68.00 54.a 55.00 60.00 61.00 62.00 70.00 43.21 43.22 | Heino |
| William Toonen Installatiewerk | 43.a 50.00 51.00 52.00 53.00 55.00 60.00 61.00 33.00 43.22 | Nistelrode |
| WILLY BAES EN ZONEN 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 65.50 43.22 6 T6.63 | LOCHRISTI |
| Wilms Den Helder 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 54.70 | Den Helder |
| WILRIT DEP | 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 65.10 65.20 65.30 65.40 65.50 65.60 68.00 68.02 68.10 68.20 68.30 68.40 68.50 68.60 43.22 6 T6.61 6 T6.62 6 T6.63 | ANTWERPEN |
| Wilsta B.V. | 02.i 52.00 51.00 56.00 60.00 60.31 60.33 60.51 60.52 60.60 62.00 62.33 62.60 02.c 54.32 55.32 55.33 56.33 56.32 60.32 62.32 | Oss |
| WIM LOUAGIE 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 43.22 | KNOKKE-HEIST |
| WINDELS 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 43.22 6 T6.63 6 T6.65 | AVELGEM |
| Windex Engineering | 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 | Hardinxveld Giessendam |
| Windex Engineering B.V. | 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 | Stoutenburg |
| Winkels Techniek B.V. | 70.00 75.00 78.00 50 54.00 57.00 60.00 55.00 53.00 52.00 51.00 50.00 61.00 68.00 62.00 00.AI 47.51 47.31.a 61.12 60.12 56.00 55.00 60.00 61.00 62.00 70.00 43.21 60.51 | Enschede |
| Witte Installatie B.V. | 55.00 60.00 61.00 62.00 68.00 70.00 50.00 51.00 52.00 53.00 55.00 60.00 61.00 62.00 70.00 43.22 | Ursem |
| Witteveen Utrecht Technische Installaties B.V. | 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 | De Meern |
| Wiva Loodgieters- en Dakdekkersbedrijf V.O.F. | 50.00 51.00 52.00 53.00 55.00 60.00 31.33.b 55.00 60.00 43.22 43.91 | Helmond |
| WKZ - Warmte-Koeltechniek Zeldenrust B.V. | 55.00 60.00 61.00 62.00 68.00 50.00 51.00 52.00 53.00 54.00 56.00 57.00 54.a 55.00 60.00 61.00 62.00 43.22 | Apeldoorn |
| WLC ( WARMELUCHTCENTRALE ) | 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 65.10 65.20 65.30 65.40 65.50 65.60 68.00 68.02 68.10 68.20 68.30 68.40 68.50 68.60 6 T6.61 6 T6.62 6 T6.63 46.73 | Sint-Truiden |
| WLH | 50.00 51.00 52.00 53.00 54.00 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 65.50 68.00 60.10 60.50 61.10 62.10 63.20 65.10 65.20 63.00 60.20 60.30 60.40 60.60 60.70 61.20 61.30 61.40 61.50 61.61 61.62 61.63 61.64 61.70 61.80 62.20 62.30 62.40 62.50 62.60 62.70 63.10 63.30 63.40 63.50 63.60 63.70 14.60 66.13 60.51 60.56 60.53 60.52 65.52 65.51 43.22 6 T6.61 6 T6.62 6 T6.63 6 T6.65 60.00 65.00 61.00 | TESSENDERLO |
| WM Electricité Marcel Wattiez | 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 77.10 77.20 77.30 77.40 77.50 70.50 74.10 74.30 43.21 70.00 | Fleurus |
| WMR Loodgieters B.V. | 50.00 51.00 52.00 33.33 53.00 33.34 33.63 33.62 33.61 33.a 55.00 60.00 60.12 60.13 60.31 60.33 60.41 60.42 60.51 60.52 61.00 61.32 61.42 61.43 61.12 61.13 43.22 | Amsterdam |
| Woolderink Technische Installaties B.V. | 50.00 51.00 52.00 53.00 54.00 55.00 60.00 61.00 62.00 68.00 56.00 57.00 54.a 55.00 60.00 61.00 62.00 43.22 60.51 | Wierden |
| World Wide Industriebouw B.V. | 25.31 25.32 25.32.a 25.32.b 31.31 31.33 31.33.a 31.50 25.00 25.33 24.52.a 24.52 24.51 24.42 30.31 30.31 30.32.11 30.32.12a 30.32.12b 30.32.13 30.33.a 30.33.b 30.34 30.36 30.37 30.41 30.42 30.43 30.44 30.62 30.63 30.64 32.31a 32.31b 32.52.a 32.52.b 32.52.c 32.52.d 33.33 33.34 33.36 33.42 33.52 33.61 33.62 33.71 33.72 33.73 33.74 34.00 34.34 34.36 34.00 34.41 43.34 43.32 43.31 43.42 43.43 43.44 43.a 43.b 44.31 44.41 44.42 44.42.a 44.42.b 44.00 44.42.c 50.00 51.00 52.00 53.00 55.12 43.99 30.32 30.33 32.31 32.52 | Budel |
| Wormgoor Koudetechniek B.V. | 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 46.69 | Goor |
| Wouda Installatietechniek 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 70.00 75.00 78.00 55.00 60.00 61.00 62.00 70.00 43.21 60.51 43.22 81.21 | Dronten |
| Wouter Witzel EuroValve B.V. | 14.00 60.71 14.60 14.61 51.62 51.61 52.61 52.62 52.63 54.50 55.51 55.52 56.51 56.52 60.72 61.60 62.71 62.72 | Losser |