- Public utility service "Vode Vojvodine” - Novi Sad
- The company "Djerdap" - "Vlasinske hidroelektrane“- Surdulica
- Shipyard "Bomex 4M - Stajićevo
- Shipyard "Terra trade - Brodoremont" - Backi Monostor
- Energoprojekt – “Equipment "AD - Belgrade
- Energoprojekt – “Buildings "AD Belgrade
- “Gosa montaza" AD - Velika Plana
- “Kolubara metal "A. D. - Vreoci
- "Messer Tehnogas" A. D. - Belgrade
- "MIN Project" AD - Nis
- Public company  "Srbija vode" - Water management center "Morava" - Nis
- "Strabag” doo - Belgrade
- Road Construction Company “BEOGRAD” - Belgrade
- „Carlsberg Serbia "- Čelarevo
- Oil industry of Serbia "NAFTAGAS" Maintenance - Zrenjanin
- Production of oil “Diamond” factory  AD - Zrenjanin
- "Inter-kop" DOO - Mišar
- "Alpine" DOO - Belgrade
- "Inter-most" AD - Belgrade
- Public utility service  “BELGRADE POWER PLANTS”- Belgrade
- "Danube Group Aggregates" doo - Novi Sad
- "K. Damen "- Netherlands
- Shipyard "Bergen - Norway
- Shipyard "Mercurius" - Netherlands
- "Wessels" - Germany