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
vWv Techniek 42.35 60.00 70.00 60.41 41.20 43.22 Ursem
W. Broeren en Zn. 70.00 43.21 Schiedam
W. Dotinga Installatiebedrijf 70.00 75.00 78.00 70.00 54.70 Sneek
W. Minnesma B.V. 50.00 51.00 52.00 53.00 54.00 70.00 75.00 70.00 43.21 60.51 43.22 Oudehaske
W. van den Bor Elektrotechniek B.V. 70.00 70.54 43.21 Nijkerk
W. van den Hatert Elektrotechniek V.O.F. 61.00 70.00 48.51 38.50 61.00 70.00 43.21 Westervoort
W&I bvba ( W & I ) 70.00 43.21 70.00 70.10 70.13 70.14 70.15 70.20 70.21 70.30 70.31 70.32 70.33 70.40 70.42 70.43 70.44 70.45 70.46 70.47 70.50 70.51 70.52 70.53 70.54 70.55 70.56 70.57 70.60 70.61 70.62 70.63 70.64 70.65 70.70 70.71 71 71.00 71.10 71.11 71.12 71.20 71.21 71.22 71.23 71.30 71.31 71.32 71.33 71.34 71.35 71.36 71.37 71.40 71.41 71.42 71.43 72 72.00 72.10 72.11 72.12 72.20 72.21 72.22 72.40 72.41 72.42 72.43 72.50 72.51 72.52 72.53 72.54 72.55 72.60 72.70 73 73.00 73.10 73.11 73.12 73.13 73.14 73.20 73.21 73.22 73.23 73.24 73.25 73.26 73.30 74 74.00 74.10 74.11 74.12 74.13 74.14 74.20 74.21 74.22 74.23 74.24 74.30 74.31 74.32 74.33 74.34 74.40 74.41 74.42 74.43 74.44 74.45 74.50 74.60 74.70 74.80 77.00 7 T7.74 Malle
Waaijers Installaties 52.00 60.00 70.00 60.51 62.00 61.00 Helmond
Waalder Installatietechniek 50.00 51.00 52.00 53.00 55.00 60.00 61.00 62.00 68.00 70.00 Lichtenvoorde
Waalder Installatietechniek 52.00 60.00 70.00 43.21 43.22 Lichtenvoorde
Waasdorp E-Techniek 43.21 70.00 70.11 70.12 70.13 70.16 70.20 70.21 70.26 70.31 70.32 70.33 70.34 70.35 70.36 70.53 70.54 70.37 70.41 70.38 70.42 70.43 70.61 70.62 70.51 70.52 70.55 70.63 70.64 70.65 70.71 70.73 70.72 70.74 Sassenheim
Wabtec Netherlands BV, Nederland (locatie Akapp-Stemmann) 68.00 70.54 32.53 Ede
WAELKENS GABY NV 70.00 70.00 51.10 35.10 60.10 60.50 61.10 62.10 63.20 65.10 65.20 65.50 68.00 32.00 32.13 32.40 77.10 77.20 77.30 77.40 77.50 43.22 6 T6.61 6 T6.62 6 T6.63 6 T6.65 INGELMUNSTER
WAERNIERS, TOM 70.00 43.21 Aalter
WAGNER BENOÎT ELECTRICITÉ GÉNÉRALE SPRL 70.00 70.00 43.21 ROUVROY
WAGO Nederland B.V. 70.71 78.00 70.00 70.81 70.35 70.51 70.52 70.65 70.73 78.41 78.75 91.00 63 63.1 67 68 Apeldoorn
Walcheren Elektrotechniek B.V. 70.00 75.00 70.00 43.21 Vlissingen
Walraven International 54.00 70.00 46.84 Mijdrecht
Waltens BV 70.00 70.00 41.21 91.11 91.20 91.41 43.39 9 T9.95 41.20 91.22 91.21 41.11 TEMSE
Wantix LED 70.82 Raalte
Warmtemeterservice B.V. 52.00 55.00 60.00 62.00 70.00 78.00 55.00 60.00 62.00 70.00 Leeuwarden
Warmteservice Hoorn 53.00 60.00 70.00 33.33 60.00 70.00 60.53 46.83 46.84 Zwaag
Warrens Elektro V.O.F. 70.00 75.00 70.00 43.21 Hulst
Wasco B.V. 60.71 62.71 02.i 60.51 60.72 70.33 62.51 TWELLO
Wassink Installatie 70.00 75.00 78.00 50.00 51.00 52.00 53.00 54.00 54.a 54.31 54.70 54.b 55.00 55.12 55.13 55.51 56.00 57.00 60.00 60.13 60.31 60.33 60.41 60.42 60.51 60.52 60.60 60.12 61.00 61.13 61.32 61.41 61.42 61.43 61.51 61.52 61.60 61.81 61.12 62.00 62.12 62.13 62.31 62.33 62.41 62.42 62.51 62.60 62.71 62.81 68.00 55.00 60.00 61.00 62.00 70.00 Doetinchem