| Broad te Changsha, China |
| http://www.broad.com.cn/index-eng.htm |
| Carrier te Farmington (Connecticut), USA |
| http://www.carrier.nl/welkom_bij_cbv.htm |
| Ebara te Tokio, Japan |
| http://www.ebara.co.jp/en/index.html |
| Kawasaki Thermal Engineering te Kusatsu, Japan |
| Geen Engels/Nederlandstalige website |
| Thermax, India |
| http://www.t-m-c.com/ |
| Trane te Tyler (Texas), USA |
| http://www.trane.com |
| Weir Entropie te l'Etang la Ville, Frankrijk |
| http://www.entropie.com/En/index.htm |
| Yazaki te Tokio, Japan |
| http://www.yazakienergy.com/ |
| York te York (Pennsylvania), USA |
| http://www.york.com |
| Colibri Stork Thermeq te Vaals, Nederland |
| http://www.colibri-stork.nl/ |
| Mattes AG, Berlijn (D) |
| http://www.mattes-ag.de |