-  Ondřejovická strojírna a.s. Czech Republic, one of the biggest manufacturer of pressure equipment;

- Tepex d.o.o Croatia, one of Europe's leading manufacturer of a wide range of explosion-proof equipment;

- Transvac Systems Ltd Great Britain, manufacturer of ejector systems (Surface Jet Pumps);

-  ČKD KOMPRESORY a.s. Czech Republic, manufacturer of compressors for industrial applications, electromotors of large output, generators of medium and higher output;

- CHIMEC s.p.a. Italy,  specialises in the implementation, application and set-up of “performance” treatments to chemically condition hydrocarbons and waters, and to decontaminate industrial oil plants;

- Sevan Anlagen GmbH Germany, supplier of petrochemical equipment for petrochemical enterprises in Belarus;

- Dettin s.p.a Italy, capacitive equipment manufacturer for chemical and petrochemical industry, machines and equipment for the textile industry;

- Brembana&Rolle Italy, manufacturer of heat exchangers, reactors, waste heat boilers and pressure vessels for the petrochemical industry;

- ENGINEERING DOBERSEK GmbH Germany, a leading company in the designing, constructing and commissioning of industrial automation devices, systems and individual components of "turnkey".