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.
| Name | Specialization | City |
|---|---|---|
| SEBDATA BVBA | 70.00 43.21 | Leuven |
| SEBELEC LIGHTING SPRL | 70.00 70.00 43.21 74.00 | COLFONTAINE |
| SEBO BVBA | 70.00 70.00 70.00 43.21 | ANTWERPEN |
| SÉCHERON SA | 70.52 70.51 70.00 | Satigny-Geneva |
| Secoff Kantoor- en Projectinrichting B.V. | 70.81 | Rotterdam |
| SECURE ELECTRONICS BVBA | 70.00 70.00 77.00 | DILBEEK |
| Securiplus - Security | 70.00 74.00 77.00 | Sint-Niklaas |
| Securitas Technology | 75.51 75.46 70.55 75.00 75.82 75.52 35.20 75.10 75.11 75.12 75.13 75.31 75.33 75.53 64 65 65.1 65.10 65.11 65.12 65.13 65.2 65.20 65.21 65.22 65.23 65.3 65.30 65.31 65.32 65.33 65.39 65.4 65.40 65.41 65.42 65.43 65.5 65.50 65.9 65.90 67 67.1 67.10 67.11 67.12 67.13 67.14 67.2 67.20 67.21 67.22 67.23 67.24 70.00 | Dordrecht |
| Securitas Technology Anderlecht Brussel | 70.00 70.00 77.10 77.20 77.30 77.40 77.50 70.50 74.10 74.30 43.21 77.00 73.30 | Anderlecht |
| SECURITEL SPRL | 70.00 70.00 43.21 77.00 | HERSTAL |
| SECURITY ALARM SYSTEMS SPRL | 70.00 70.00 43.21 77.00 | SCHAERBEEK |
| Security Consultants & Services B.V. | 54.70 43.21 81.21 75.61 75.65 75.00 05.33 75.51 70.00 | Nederweert |
| Security House | 70.00 70.00 41.00 77.00 | BRAINE-L'ALLEUD |
| SECURITY SERVICE BVBA | 70.00 70.00 43.21 70.00 67.00 77.00 | AARTSELAAR |
| SECURITYLAND PROJECTS | 70.00 77.00 77.40 73.30 | SINT-TRUIDEN |
| Secview | 70.55 | Helmond |
| SEDATECH BVBA | 70.00 70.00 70.00 41.111 41.113 41.114 41.121 41.122 43.21 | TESSENDERLO |
| SEEGLE SECURITY BVBA | 70.00 70.00 43.21 77.00 | ROESELARE |
| Seijsener RekreatieTechniek B.V. | 70.00 75.00 70.00 43.21 30.80 17.00 46.50 | Zaandam |
| Sels en Glas Elektro | 70.00 75.a 75.00 70.00 43.21 70.81 70.33 | Tuitjenhorn |
| Sencit Nederland B.V. | 70.00 75.00 78.00 70.00 | Apeldoorn |
| Senhorst Electro B.V. | 70.00 75.00 70.00 43.21 | Giesbeek |
| SER Projects BV | 70.00 70.81 75.00 54.00 75.a | Hilversum |
| SERCOTEC EUROPE NV | 70.00 75.00 78.00 75.a 70.00 77.10 77.20 77.30 77.40 77.50 70.50 74.10 74.30 43.21 77.00 | ANTWERPEN |
| SERI AUTOMATION SA | 70.00 70.00 77.10 77.20 77.30 77.40 77.50 43.21 | BOUSSU |