| Cooling |
| Highside Chemical Co., Inc. | http://www.highsidechem.com |
| Cooling |
| J.C. Whitlam Mfg. Co. | http://www.jcwhitlam.com/ |
| Cooling |
| Noble Co. | http://www.noblecompany.com/ |
| Heating |
| Highside Chemical Co., Inc. | http://www.highsidechem.com |
| Heating |
| J.C. Whitlam Mfg. Co. | http://www.jcwhitlam.com/ |
| Heating |
| MacDuffCo Mfg. Inc. | http://www.ultra-fin.com/ |
| Heating |
| Noble Co. | http://www.noblecompany.com/ |
| Liquid | Thermal | MultiTherm LLC | http://www.multitherm.com |
| Solar | Anti-Freeze | Dow Chemical Co. | http://www.dow.com |
| Solar |
| Highside Chemical Co., Inc. | http://www.highsidechem.com |
| Solar |
| J.C. Whitlam Mfg. Co. | http://www.jcwhitlam.com/ |
| Solar |
| Noble Co. | http://www.noblecompany.com/ |
| Solar |
| SOS Products Co., Inc. | http://www.sos-prod.com |
| Solar |
| Utility Manufacturing Co. | http://www.utilitychemical.com |
| Solar |
| Watts Radiant | http://www.wattsradiant.com |
| Thermal | High Temperature | Dow Chemical Co. | http://www.dow.com/heattrans/ |
| Thermal | Low Temperature | Dow Chemical Co. | http://www.dow.com/heattrans/ |
| Thermal | High Temperature | Liquid Process Systems, Inc. | http://www.lps-filtration.com |
|
| Calmac Mfg. Corp. | http://www.calmac.com |
|
| Dow Chemical Co. | http://www.dow.com |
|
| Dow Corning Corp. | http://www.dowcorning.com |
|
| Liquid Process Systems, Inc. | http://www.lps-filtration.com |
|
| MultiTherm LLC | http://www.multitherm.com |
|
| MultiTherm LLC | http://www.multitherm.com |
|
| S.A. Armstrong Ltd. | http://www.armstrongpumps.com |