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
Siemens Energy B.V. 70.38 Zoeterwoude
Siemon Haring Installatie en Montage 14.00 14.00 14.40 50.00 51.00 52.00 53.00 54.31 54.a 55.00 55.12 55.13 55.00 55.51 60.00 60.33 60.41 60.31 60.13 60.42 60.51 60.52 60.12 61.00 61.13 61.32 61.41 61.42 61.43 61.51 61.52 61.60 61.81 61.00 61.12 62.00 62.12 62.13 62.33 62.31 62.41 62.42 62.51 62.60 62.71 62.00 62.81 68.00 70.00 70.31 70.32 70.33 70.34 70.35 70.41 70.43 70.51 70.53 70.71 70.87 70.00 70.81 75.45 75.46 75.00 75.51 43.21 Enkhuizen
Siers Installatietechniek B.V. 70.00 70.33 OLDENZAAL
Siers Telecom B.V. 75.00 92.02 70.00 70.87 75.a 43.21 42.22 81.21 Oldenzaal
Siersmederij Groosman & Zn.V.O.F. 26.40 17.42 32.31b 32.37 70.81 17.34 17.00 32.31 IJzendijke
Sign Security Systems B.V. 70.00 78.00 54.a 67.20 67.30 67.40 77.10 77.20 77.30 77.40 77.50 77.60 54.00 54.11 54.12 54.13 54.14 54.31 54.38 54.40 54.50 54.60 54.70 54 54.b 75.00 75.52 65.1 65.10 65.11 65.12 65.13 77.63 77.44 77.43 77.42 77.41 77.00 67.32 67.00 54.32 Roosendaal
SIGNCO 70.00 08.02 10.01 10.02 43.21 42.11 10.03 10.10 90.w 92.00 80.00 90.00 02.50 WILLEBROEK
Signify Netherlands B.V. 70.81 68.00 78.00 34 70.82 48.34 63.2 63.3 21 22 23 73 Eindhoven
Sigtenhorst-Wassink B.V. 50.00 51.00 52.00 53.00 54.00 55.00 60.00 61.00 62.00 68.00 75.00 70.00 55.00 60.00 61.00 62.00 70.00 43.22 81.21 Doetinchem
SIGUESOL 70.00 70.00 43.21 66.17 FERRIERES
Sijben Wooncenter B.V. 70.81 Roermond
Sijbers-Support 70.00 43.21 27.12 81.21 Kronenberg
Sijbers-Support Projects B.V. 70.00 KRONENBERG
Sikma Installatie B.V. 50.00 51.00 52.00 53.00 54.00 55.00 60.00 61.00 62.00 68.00 70.00 75.00 55.00 60.00 61.00 62.00 70.00 43.22 43.21 Sneek
Sil & Co B.V. 70.81 Zaandam
Silteckabelgoten 70.41 46.84 Hollum
SIM Holland B.V. 70.00 70.32 70.35 91.00 02.e 91.01 90.01 70.13 70.33 61.1 61.10 61.11 Sliedrecht
Simac Electronics bv 92.07 70.87 75.a Drunen
Simons Elektrotechniek 70.00 Schiedam
SimpleLight 34 70.81 's-Gravenhage
Sinke Elektro B.V. 70.00 75.a 75.00 43.21 Krabbendijke
Sinus 75.46 75.00 70.81 70.41 70.43 70.51 70.53 70.71 70.87 75.45 78.00 75.a 75.51 10.50 47.31.a 54.70 54.b 70.00 70.72 70.52 70.82 43.21 71.12 Alphen aan den Rijn
Sinus JEVI Electric Heating B.V. 52.52 60.00 60.41 60.42 60.53 60.83 61.42 61.83 70.83 Medemblik
Sira Bouw B.V. 22.00 22.72 30.33.a 30.41 30.80 32.31a 33.41 33.51 50.00 51.00 52.00 53.00 55.00 60.00 61.00 70.00 75.00 30.33.b 30.32.11 30.42 30.34 24.42 24.51 31.a 45.41 45.41.a 44.41 40.00 41.00 55.00 60.00 61.00 70.00 30.31 41.00 30.32 30.33 32.31 Amsterdam
Sirini Data & Elektra B.V. 70.00 75.a 64.52 58.66 58.67 67.6 67.60 67.61 67.62 67.8 67.80 67.81 67.82 68.6 68.61 68.60 68.00 70.53 58 58 61 61.14 63 63.1 63.10 63.11 63.2 63.20 63.21 63.22 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 63.9 63.90 64 64.1 64.10 64.53 64.54 64.55 65.1 65 65.10 65.11 65.12 65.23 42.22 Hoogvliet Rotterdam