| | Wuxi Fangsheng Heat Exchanger Manufacturing Co., Ltd (Wuxi, China) Manufacturer | |
| | Allegheny Bradford Corporation (Lewis Run, PA) Manufacturer | |
| | WCR Inc. (Dayton, OH) Manufacturer, Service Company | |
| | Lydall Affinity (Ossipee, NH) Manufacturer | |
| | Baode Heat Exchanger Co., Ltd (Wuxi, China) Manufacturer | |
| | Visoka Private Limited (Chennai, India) Manufacturer, Service Company | |
| | Turbotec Products, Inc. (Windsor, CT) Manufacturer | |
| | Compressor Valves & Plates Services (kolkata, India) Manufacturer | |
| | Applied Cooling Technology Ltd (Water Orton, United Kingdom) Manufacturer, Contract Manufacturer | |
| | Eminent Industrial Equipment & Supplies (Abu Dhabi, United Arab Emirates) Contract Manufacturer | |
| | Doyle & Roth Mfg Co Inc (Carbondale, PA) | |
| | Triangle Tube Phase Iii Co Inc (Blackwood, NJ) | |
| | High Country Fabrication (Casper, WY) | |
| | Thermon Engineering (San Marcos, TX) | |
| | Thermon Manufacturing Co (San Marcos, TX) | |
