| Conproiect SA Iasi Water supply and sewerage facilities. Construction. Construction services. Hydropower engineering. Facilities for navigation. | | Consproiect SA Galati Construction design services. Architectural and real-estate planning. Architectural design services. Bridges designing. Bridges design and b.... | |
| Rom-Gan Construct SRL Bacau Maintenance for sewage and disposal facilities. Design and installation of methane pipelines. Metal structures, profiles and fittings. Concr.... | | S.M.C. Manager SA Galati Manufacturers of environment protection equipments. Environment pollution prevention servi.... | |
| TIAB SA Onesti Electrical engineering and automation. Maintenance for sewage and disposal facilities. Automatic regulators. Ventilation and aeration equipm.... | | Tomeco SRL Tomesti Water treatment and purification equipment provider. | |