Grzegorz Kostrzynski

Wiromet SA engages in the manufacture of machines and components for power plant and mining industry. Its offer includes steam turbine blades and steam turbine flow system parts, research of steam turbine flow system parts/turbine blades free vibrations, machining services, pumping engines, plunger pumps, electric actuators, SHR type fluid couplings, conveyor pulleys (roll drives), dynamic balancing, heat treatment, castings, technological process, technical support, shot blasting, reverse engineering, engineering analysis FEA, measuring laboratory, spectro and magnetic-powder research, and Carl-Zeiss Prismo measuring machine. The company was founded on October 1, 1952 and is headquartered in Mikolow, Poland.

Multimedia Wschod Sp zoo engages in providing internet and cable television services. The company was founded on April 27, 2001 and is headquartered in Gdynia, Poland.

Opal Property Group Ltd. designs, builds, finances, and operates student accommodations for students. The private company is based in Manchester, UK. and has subsidiaries in United Kingdom.

EmiTel SA operates terrestrial radio and television broadcast infrastructure. It offers infrastructure leasing, designing, and installation of radio diffusion and radio communications systems with related technical consulting, as well as leasing infrastructure to broadcasters and operators. The company was founded on November 20, 2001 and is headquartered in Warsaw, Poland.

Racar Technologies, Inc. operates as a manufacturer of automotive plastics. The company is headquartered in Newburyport, MA.