SESKO's member communities
- Association of Electrical Engineers in Finland SIL
- Association of Electrical Inspectors in Finland SÄTY
- Digita Oy (Ltd)
- Electrical Consulting Engineers NSS
- Electrical Contractors’ Association of Finland STUL
- Electricity and Automation of Industry
- Federation of Electrical Technicians in Finland
- Federation of Technology Industries in Finland
- Finnish Amateur Radio League
- Finnish Communications Regulatory Authority FICORA
- Finnish Electrical Workers’ Union
- Finnish Electrotechnical Trade Association (STK)
- Finnish Energy Industries
- Finnish Safety and Chemicals Agency TUKES
- Finnish Society of Automation SAS
- Finnish Society of Senior and Master Electricians SAMSY
- Housing Technology Federation
- lluminating Engineering Society (IES) of Finland
- Promotion Centre for Electrical Safety STEK
- Radiotechnical Society in Finland
- SGS Fimko Oy (Ltd)
- Telia Sonera Finland Oyj
- VTT Expert Services Oy