| Winergy (Flender) | Bocholt, Germany | www.winergy-group.com |
| Zollern GmbH & Co. KG | Sigmaringendorf, Germany | www.zollern.com |
| RENK AG | AugsburgGermany | www.renk-ag.com |
| Moventas | Jyväskylä, Finland | www.moventas.com |
| Bosch Rexroth | Lohr am Main, Germany | www.boschrexroth.com |
| Zhongchuan Heavy Industries | Deyang, China | www.zchic.com.cn |
| China High-Speed Transmission (CHSTE) | Nanjing, China | www.ngctransmission.com |
| Elecon Engineering | Anand, Gujarat, India | www.elecon.com |
| Hansen Transmissions (ZF Group) | Edegem, Belgium | www.zf.com |
| Broadwind Energy | Manitowoc, Wisconsin, USA | www.bwen.com |
| Brevini Power Transmission (Dana) | Reggio Emilia, Italy | www.dana.com |
| Hyosung Heavy Industries | Seoul, South Korea | www.hyosungheavyindustries.com |
| NGC Gears | Nanjing, China | www.ngcgears.com |
| Inox Wind | Noida, India | www.inoxwind.com |
| Suzlon Energy | Pune, India | www.suzlon.com |
| Gearbox Express | Mukwonago, Wisconsin, USA | www.gearboxexpress.com |
| Romax Technology | Nottingham, United Kingdom | www.romaxtech.com |
| NGT Gear | Hangzhou, China | www.ngtgear.com |
| Bonfiglioli | Bologna, Italy | www.bonfiglioli.com |
| Regen Powertech | Chennai, India | www.regenpowertech.com |