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
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
WKO Assist 60.42 62.41 Panningen
WKS (Wolf Klimaat Service) 50.00 51.00 52.00 53.00 54.00 60.00 62.00 60.00 62.00 43.22 60.51 62.41 Baarn
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 46.83 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
WLT Lansink Techniek 60.51 Reutum
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
WMQ Installaties B.V. 56.4 60.41 52.00 53.00 51.00 60.00 61.00 70.00 75.a 70.33 70.81 70.82 IJsselmuiden
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
Woestenenk Installatiebedrijf 57.00 43.21 60.51 Barchem
Wohlan Installatietechniek 60.51 41.20 Breedenbroek
WOLF Energiesystemen B.V. 61.41 60.51 62.41 61.42 61.00 60.00 60.83 0- 00.AI 57 68.00 66.00 57.30 57.21 57.70 57.5 52.00 56 53 Kampen
Wolsink Open Haarden B.V. 26.00 60.00 60.00 46.84 Doesburg
Woodapple Service B.V. 60.00 61.00 61.42 62.00 Panningen
Woodstock Vloeren B.V. 42.32 42.31 42.32.a 42.32.b 0-.1 42.00 60.00 Obdam
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
Woonspecialist Brabant B.V. 48.00 48.45 48.43 48.44 48.51 60.41 42.32.a Mierlo
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
Wouters Installatietechniek 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 81.21 Hapert
Wouters Klimaattechniek B.V. 55.00 60.00 61.00 62.00 68.00 55.00 60.00 61.00 62.00 43.22 81.21 Hapert
Wouterse Installatie & Onderhoud 60.00 43.22 60.51 Houten