- Elektro-Kontrol Mérnöki Iroda Kft. (production – delivery of electric controls)
- Tiki Team Plusz Kft. (pipeline construction and utility construction projects)
- Geokontakt Kft. and MÉMÉP Kft. (pipeline construction and utility construction projects)
- Biofilt-Air Kft., AQUA REGIA Kft. (Biofilter equipment)
- i-data Kft. (GPS fleet monitoring)
