- Energetika Ltd. Ljubljana
- District heating.
- Address:Verovskova 62
- Korea District Heating Corp.
- district heating, heat.
- Address:186 Bundang-dong, Bundang-gu Seongnam-si Gyeonggi-do 463-908 Korea
- PIPETECKOREA, Co., Ltd.
- pipe, tube, pre-insulated pipe, district heating.
- Address:444-4 Sinchung-ri, Sinni-myeon, Chungju-si, Chungcheongbuk-do 380-893 Korea
- AUSTROFLEX
- insulation, pipe insulation, technical insulation, preinsulated pipes, solarpipes, district heating pipes.
- Address:Finkensteiner Strasse 7, Goedersdorf-Villach, Austria, Austria
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