Het hoofdstuk Elektronische installaties betreft het geheel van leveranties en werkzaamheden nodig voor het in het werk brengen en bedrijfsgereed maken van installaties voor de opwekking, omzetting, distributie en afname van elektrische energie alsmede gemeenschappelijke leidingwegen, aardings- en bliksembeveiligingsvoorzieningen.

Naam Specialisatie Plaats
WindSun 70.33 Alkmaar
Winkelman Installateurs B.V. 61.00 50.00 51.00 52.00 60.00 70.00 60.00 61.00 70.00 43.22 60.51 43.41 Doetinchem
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
Winkels Techniek B.V. Raalte 70.00 Raalte
WinLed Lighting Solutions 70.81 Winterswijk Woold
Winspiration Elektrotechniek BV 70.00 75.00 61.00 54.00 61.00 70.00 61 61.1 61.11 61.10 61.2 61.20 61.21 61.25 61.26 61.3 61.30 61.32 61.33 61.5 61.50 61.51 61.6 61.60 61.61 61.7 61.70 61.71 62 62.2 62.20 62.21 62.3 62.30 62.31 63 63.1 63.10 63.11 63.13 63.14 63.2 63.20 63.23 63.24 63.3 63.30 63.31 63.33 63.34 63.4 63.40 63.41 63.43 63.44 63.5 63.50 63.51 63.53 63.54 63.6 63.60 63.61 63.63 63.64 64 64.1 64.10 64.11 64.12 64.13 64.14 64.2 64.20 64.21 64.22 64.24 64.3 64.30 64.31 64.4 64.40 64.41 65 65.1 65.10 65.11 65.12 43.21 Ridderkerk
Winters M. Electriciteit 70.00 70.00 77.10 77.20 77.30 77.40 77.50 70.50 74.00 Pelt
Winterwarm Heating Solutions B.V. 70.81 60.00 75.45 058 72.10 63 63.2 63.20 70.82 63.1 63.10 63.11 63.12 63.13 63.14 63.24 63.3 63.30 63.31 63.4 63.40 63.41 63.5 63.50 63.51 63.6 63.61 63.60 72.50 059 61.42 75.52 Winterswijk Woold
Wisman Techniek 70.65 Ruurlo
WIT (Wolf Installatie Techniek) B.V. 70.00 75.00 78.00 70.00 Staphorst
Withagen Techniek B.V. 25.32 25.32.a 25.33 43.b 70.00 Halsteren
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
Witte Koeltechniek B.V. 70.00 62.00 62.00 70.00 43.21 Noord-Scharwoude
WIVO ELEKTRO BVBA 70.00 70.00 43.21 70.00 ANTWERPEN
WKX B.V. 70.33 Hardinxveld-Giessendam
WL Techniek - Elektrotechnisch Installatiebedrijf Rotterdam 54.00 70.00 75.00 70.00 75.10 75.51 75.52 70.53 70.64 70.65 70.81 70.78 70.75 70.82 75.11 Rotterdam
WLC - Weyn Lichtconcepten 70.00 75.00 78.00 44.31 44.41 44.42 44.42.a 44.42.b 44.42.c 70.00 Nijverdal
WLS Techniek 70.00 Waverveen
WM Installaties B.V. 70.84 70.00 75.a 43.21 's-Gravenhage
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
Wocozon Nederland B.V. 70.00 70.33 De Meern
Woertink & van Dellen B.V. 33.33 33.34 31.50 50.00 33.71 70.00 70.00 43.41 Dronten
Wolfs Verlichting B.V. 02.c 70.00 70.81 91.00 GH.09 72.10 72.50 72 72.60 058 059 10.01 70.82 63 63 63.1 63.10 63.11 63.12 63.13 63.14 63.2 63.20 63.23 63.24 63.3 63.30 63.31 63.32 63.33 63.34 63.4 63.40 63.41 63.42 63.43 63.44 63.5 63.50 63.51 63.52 63.53 63.54 63.6 63.60 63.61 63.62 63.63 63.64 63.7 63.70 63.71 63.72 63.73 63.74 63.75 Kerkrade
Wolters Wonen B.V. 70.81 Nijverdal
WOLUELEC BVBA 70.00 70.00 77.40 74.30 74.00 74.10 70.50 70.00 70.10 77.10 77.20 77.30 77.50 43.21 70.20 70.21 70.30 70.40 70.60 70.70 WOLUWE-SAINT-PIERRE