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 | 
|---|---|---|
| LS Electronics B.V. | 70.00 75.00 70.00 | Landgraaf | 
| LUC BRIJSSINCK BVBA | 70.00 70.00 43.21 | KONTICH | 
| LUC HOLLEVOET BVBA | 70.00 70.00 43.29 | OOSTENDE | 
| Luc Vanderhallen | 70.00 70.00 51.10 60.10 60.50 61.10 62.10 63.20 65.10 65.20 65.50 68.00 77.10 77.20 77.30 77.40 77.50 75.20 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 66.13 43.21 6 T6.61 6 T6.62 6 T6.63 6 T6.65 7 T7.76 65.00 60.00 | MAASMECHELEN | 
| Lucente Exclusive Lighting B.V. | 70.81 | Heerenveen | 
| Luchttechniek Reinders B.V. | 62.31 50.41 51.31 52.31 54.31 55.31 56.31 60.31 70.42 70.36 36 57.22 57.32 57.42 24.247.2 15.154 HT-54 HT-83 68.26 05.21 05.24 68.25 08.04 075.5 047.4 | Almelo | 
| LUCO NV | 70.00 70.00 77.10 77.20 77.30 77.40 77.50 70.50 74.10 74.30 02.10 43.21 77.00 73.30 | HOUTHALEN-HELCHTEREN | 
| Ludec Brandwerende Applicaties B.V. | 45.00 31.31 31.33 44.31 45.41.a 46.32.a 26.81 23.85 21.85 70.43 59.90 59.9 59.00 04.40 27.71 27.70 41.10 43.99 | Nieuwkuijk | 
| Lueur.nl | 70.81 70.82 63.4 63 63.20 63.30 | Maastricht | 
| Luijer Installatiebedrijf V.O.F. | 70.00 43.21 43.22 | Kortenhoef | 
| Luijten Electro | 70.00 70.81 70.82 43.21 | Neer | 
| Luiten System | 70.33 60.51 60.41 53.00 43.21 43.12 | Winterswijk Corle | 
| LUITJES Elektrotechniek | 70.00 75.00 70.00 54.70 | Schagen | 
| Lumeco B.V. | 70.00 70.00 78.00 02.j 70.81 70.82 78.51 63 63.1 63.10 63.2 63.20 63.21 63.22 63.11 63.12 63.13 63.14 63.23 63.24 63.3 63.30 63.40 63.41 63.9 63.90 63.51 63.52 63.53 63.54 63.50 63.64 63.63 63.62 63.61 63.60 63.6 63.5 63.44 63.43 63.42 63.4 63.34 63.33 63.32 63.31 67.12 67 72.00 72.10 72.20 72.21 72.50 72.54 | Hendrik-Ido-Ambacht | 
| Lumen Solutions B.V. | 70.81 | Alphen Aan Den Rijn | 
| Lumicad | 70.00 00.IB 70.00 | Bolsward | 
| Lumigrip | 32.52.b 70.81 32.51 32.52.d 44.22 44.30 55.23 55.33 72.10 72.60 43.99 32.00 32.52 34 34 34.1 34.2 34.10 34.11 34.12 34.20 34.21 34.22 5 T5 .57 | Wijchen | 
| Lumilab B.V. | 70.00 70.00 | Breda | 
| Lumin Special Lighting B.V. | 70.81 34 70.82 | Mheer | 
| Luminaid | 63 70.81 | Winterswijk Woold | 
| Luminesense B.V. | 058 70.81 70.82 72.50 72.53 72.54 72.55 70.00 70.78 34 63 63.1 63.10 63.11 63.13 63.14 63.2 63.20 63.21 63.22 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 63.9 63.90 72.00 72.10 72.20 72.21 72.22 72.60 | BOEKEL | 
| Lumission | 70.81 72.00 | HAARLEM | 
| Lumosa LED B.V. | 34 70.00 70.33 70.81 63 61.11 70.82 | SON EN BREUGEL | 
| Lumosec | 70.81 | Leerdam | 
| Lunastar | 70.00 70.00 | Zwaag |