WATER

ProStream has been delivering drinking water solutions for over 30 years — treatment plants, pumping stations, pipelines, dam equipment and water supply networks. We work with municipal utilities, private operators and internationally financed programmes. Our projects range from mountain intake screens to full DWTP reconstruction with filtration, dosing, disinfection, SCADA and laboratory systems. We also deliver pumping station modernisation, water distribution networks, and hydrotechnical equipment for dams. Whether you need a complete turn-key delivery or support with a specific scope — we adapt to the project.

WASTEWATER

ProStream has delivered municipal wastewater treatment plants across Bulgaria and Southeast Europe – from small community facilities to major urban centres. Our plants cover the full treatment process: mechanical screening, biological treatment, sludge dewatering and thickening, biogas recovery with combined heat and power, and UV disinfection. Whether you need a complete turn-key plant or support with a specific part of the project – equipment supply, automation, or ongoing maintenance – we scale our involvement to match.

WASTE

ProStream’s expertise in the waste sector covers landfill infrastructure, leachate treatment and recycling. We deliver containerised leachate treatment plants using reverse osmosis and membrane bioreactor technology, landfill gas collection and flare systems for safe emissions management, and all associated mechanical, electrical and automation works. Projects are delivered turn-key or as individual packages depending on facility requirements.

ENERGY

ProStream serves the energy sector across nuclear, thermal, hydro, district heating and geothermal — delivering equipment supply, installation, automation and maintenance for power generation infrastructure. Our nuclear experience spans seismic-rated control valves, gate valves with electric actuators, sludge dewatering systems, actuator servicing and EN 1090-certified steel structure manufacturing. For thermal and hydro plants we deliver feed pumps, heat exchangers, throttle valves and complete cooling system reconstruction. We also provide subcontracting and custom equipment manufacturing services for large-scale energy construction programmes.

RENEWABLES

ProStream designs and delivers renewable energy and energy efficiency projects for municipal, commercial and industrial clients. Our scope covers photovoltaic power plants, heat pump systems, energy storage, biogas and CHP installations, and LED street lighting programmes. We deliver across the full EPC lifecycle — from energy audit and project design through equipment supply, construction with own teams, commissioning and ongoing monitoring. Through our ESCO financing model, clients can implement projects with no upfront capital, repaying from verified energy savings.

OTHER INDUSTRIES

Beyond our core sectors, ProStream has delivered projects for clients across a range of additional industries — from industrial wastewater treatment and process equipment to remote monitoring and automation solutions.

• Food & Beverage
• Mining
• Railway & Transport
• Pulp & Paper
• Manufacturing & Automotive