Chemical cleaning
- ENERGOPROJEKT EQUIPMENT (chemical cleaning of a waste heat boiler –utilizator WHB Foster Wheeler in New melting plant MMB Bor)
- PAPER PRODUCTION FACTORY BELGRADE (chemical cleaning of a steam boiler Đuro Đaković 25 t / h)
- MB Kolubara LTDVreoci branch of processing (pickling steam boilers
70 t / h, 2 pcs) - VIA OCEL Belgrade-TENT BObrenovac (cleaning and conservation of MP pipes before installation to the boiler block 2 and block 1)
- VIA OCEL Belgrade-A TENTObrenovac (chemical cleaning of the pipes and pipe bundles Unit 6 before installation)
- ENERGOTECHNIKA-ENERGORZRUCH - RAFAKO POLAND(chemical cleaning of the evaporator boiler of 600 MW TENT B 1)
- Refinery Pancevo (chemical and hydro mechanical cleaning of air coolers; "chemical cleaning" of the steam boiler 60 t / h)
- CB & I - SIM and BMR (chemical cleaning and passivation of a pipe network of hydrogen compressors in the new plant of Oil Refinery Pancevo)
- Toplifikacija Lazarevac, remote heating system of the city of Lazarevac (Chemical cleaning of the plate and tubular heat exchangers).
- TPP Kostolac (Kostolac remote heating system, heat exchangers in TPP Kostolac)
- TPPKolubara Veliki Crljeni (Chemical cleaning of the water side of the turbine condensers)
- RAFAKO Poland (cleaning and conservation of a part of the piping system in TENT B)
- Tigar Tyres Pirot (Chemical cleaning of water installation , rollers, extruders, mixers)
- Cooper tire Krusevac (chemical cleaning of water installations, rollers, extruders, mixers)
- Knauf (chemical cleaning of the cooling system furnaces in Surdulica)
- USS Smederevo (cooling towers Baltimore, a system for cooling compressors, plate and panel heat exchangers)
- Niš District Heating Plant (remote heating system of the city of Nis ,Chemical cleaning of plate and tubular heat exchangers)
- PUC Čačak (heat exchangers, boilers)
- PUC G Milanovac (remote heating system, boilers, heat exchangers)
- Zastava Energetika Kragujevac (remoteheating system Kragujevac ,exchangers, compressor after coolers)
- National Bank of Serbia at Slavija facility (Chemical cleaning of a condenser , Carier chiller, overhaul and annual maintenance of Baltimore Tower)
- MMA Beograd (Chemical cleaning of a condenser Carier chiller)
- Radio Television of Serbia (Chemical cleaning of a condenser chiller overhaul of cooling towers)
- Hotel Slavija (Chemical cleaning of a condenser chiller, overhaul of cooling towers)
- Serbian Glass Factory Paracin ( compressors coolers , vacuum pumps)
- Carnex Vrbas
- Cutting Tool Factory (tempering furnaces cooling system)
- SUN Sombor JSC (evaporative condensers, steam boiler)
- DIAMOND Zrenjanin (degreasing of a hot water heating system for heating of a plant for production of margarine, hydrogen compressor, evaporative condensers)
- Milkop Raska (steam boiler, pasteurizators, duplifikatori)
- ZLATIĆ LTD Kraljevo
- IKG Guca (induction furnaces)
- Milan Blagojevic Lučani (extruder cooling system, LUVO turbine condenser)
Treatment of water by corrosion and scale inhibitors, and biocides
- TPP KolubaraVeliki Crljeni
- Serbian Glass Factory Paracin
- HOLCIM Popovac
- Diamond Zrenjanin
- Tetra Pak Gornji Milanovac
Overhaul of cooling towers
- NIS Oil Refinery Pancevo (replacement of a distributor of water in four sections of cooling towers)
- Serbian Glass Factory Paracin (complete overhaul of cooling towers TIM Laško, overhaul of fans and pumps)
- MB DI Lučani (complete overhaul of two Thermo freeze cooling towers)
- Crowne Plaza (fill replacement in two Baltimore cooling towers), a subcontractor of company Grappa
- RTS Beograd (replacement of cooling towers fill in the object in Abardareva street)
- National Bank of Serbia (repair of cooling towers on the building on Slavija)
- Hotel Slavija (overhaul of cooling towers on the building of a new hotel)
Regular monthly cooling system service
- Fiat Automobiles Serbia (service of the system of the twenty-Baltimore Towers) - the subcontractor of the company Grappa
- Serbian Glass Factory Paracin (service of the system of three Evapco, two Baltimore and one overhauled TIM Laško)
- Grundfos Indjija Serbia (service of a system with two Baltimore cooling towers)
- National Bank of Serbia (service of a system with three Baltimore towers)
- Crowne Plaza (service of a system with two Baltimore towers)