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 | 
|---|---|---|
| De klusbegeleider | 47.a 46.00 47.31 70.00 42.00 34.00 41.20 | Apeldoorn | 
| De Kock Elektro | 70.00 70.31 70.33 70.11 70.38 70.51 70.52 70.53 70.61 70.62 70.71 70.72 70.73 70.74 70.81 70.78 70.20 | Geldermalsen | 
| De Koning Electro-Monster | 70.00 70.00 43.21 | Monster | 
| De La Combé Telematica Bekabeling & Afmontagebedrijf B.V. | 75.00 75.a 70.00 91.00 70.00 26.20 92.00 92.04 92.05 92.06 92.07 70.63 70.65 75.10 92.03 64 64.1 64.10 64.11 64.12 64.4 64.40 64.41 64.42 65 65.1 65.10 65.11 65.12 65.2 65.20 65.21 65.22 65.3 65.30 42.22 | Den Haag | 
| De Laat Solar Systems B.V. | 70.00 70.00 70.33 | Drunen | 
| DE LATHOUWER BVBA | 70.00 70.00 43.21 77.00 | BERLARE | 
| De Leeuw Electrotechniek B.V. | 75.00 70.00 70.00 70.10 70.20 70.30 70.40 70.50 70.60 70 70.71 71.10 71.20 71.30 71 71.40 72.10 72.50 72 72.60 73.10 73.20 73 73.30 74.00 74.10 74.20 74.30 74.40 74.50 74.60 74.70 74 74.80 75.30 75.20 75.10 75 75.00 77.60 77.50 77.40 77.30 77.20 77 77.10 70.35 70.51 70.71 70.81 70.87 70.53 70.33 75.45 75.46 75.00 75.51 78.00 75.a 43.21 | Nieuwendijk | 
| De Looff Krabbendijke B.V. | 50.00 53.00 55.00 52.00 51.00 60.00 60.51 70.00 61.00 43.22 | Krabbendijke | 
| De Looijer Elektrotechniek B.V. | 70.00 75.00 70.00 43.21 | Ammerzoden | 
| DE MAERTELEIRE NV | 70.00 70.00 74.30 74.00 70.20 77.40 77.10 77.20 77.30 77.50 70.50 74.10 70.00 43.21 72.60 77.00 | MERELBEKE | 
| De Martelaere Karel | 70.00 70.00 70.00 77.10 77.20 77.30 77.40 77.50 70.50 74.10 74.30 74.00 43.21 | DEURNE | 
| DE MEESTER, HANS | 70.00 43.21 | Gierle | 
| DE MOOR ELECTRONICS BVBA | 70.00 70.00 77.10 77.20 77.30 77.40 77.50 43.21 70.00 | HERZELE | 
| De Moor Nathan | 70.00 | Lievegem | 
| De Mulder Alg. Electr. | 70.00 70.00 74.30 77.40 73.30 74.00 77.10 77.20 77.30 77.50 70.50 74.10 70.00 43.21 | GAVERE | 
| DE MULDER HERMAN BVBA | 70.00 43.99 | MIDDELKERKE | 
| DE NOOD B.V. | 70.81 | Middelburg | 
| DE NOOD Group B.V. | 34 70.00 70.00 | Baarn | 
| DE POTTER, NICK | 70.00 43.21 | Zelem | 
| DE PRIL MARC EN ZONEN BVBA | 70.00 43.21 | DESSEL | 
| De Proft Electrowerken | 70.00 70.00 70.50 70.20 70.00 77.10 77.20 77.30 77.40 77.50 74.10 74.30 43.21 | LEBBEKE | 
| de Ridder Technische Dienstverlening BV | 70.00 60.00 62.00 60.51 | Sliedrecht | 
| de Rijk en van Dorp Elektrotechniek | 54.70 70.00 70.33 | VLEUTEN | 
| DE ROY-ELEKTROTECHNIEK BVBA | 70.00 70.00 43.21 | LONDERZEEL | 
| De Rycke R. en Zonen | 33.41 33.51 33.33 33.34 50.00 37.b 30.41 30.42 30.43 33.36 33.37 33.42 33.52 33.53 33.54 33.58 33.61 33.62 33.63 33.64 33.71 33.72 33.73 33.74 33.80 33.a 32.00 30.00 31.10 38.30 36.30 36.51 36.11 63.00 65.50 68.00 70.33 25.00 53.62 55.11 55.21 55.31 35.10 53.11 53.12 53.13 43.11 43.20 40.41 40.42 60.10 60.50 61.10 62.10 63.20 65.10 65.20 32.13 32.40 03 77.10 77.20 77.30 77.40 77.50 38.20 37.10 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 65.30 65.40 65.60 43.91 3 T3.33 3 T3.36 4 T4.42 5 T5 .53 5 T5 .57 6 T6.61 6 T6.62 6 T6.63 6 T6.65 60.00 65.00 38.21 38.00 35.00 | GAVERE |