BPS Clima
  www.bpstecnologie.com

E.S.S.İ.A.D. - Eagean Refrigeration Manufecturers' and Businesmens' Association
  www.essiad.org.tr

ISKID - Air Conditioning and Refrigeration Manufacturers' Association
  www.iskid.org.tr

ISKAV - Heating Air Conditioning Education and Research Foundation   www.iskav.org.tr

TMMOB - Chamber of Mechanical Engineers
  www.mmo.org.tr

TTGV - Technology Development Foundation of Turkey
  www.ttgv.org.tr

TÜV Nord
  www.tuev-nord.com

TÜV Süddeutschland
  www.tuv-sud.com

Eurovent - European Committee of Air Handling and Refrigerating Equipment Manufacturers
  www.eurovent-cecomaf.org