| Cambridge Brass Inc. | Cello Products Inc. | CLA-VAL | Con-Tech of California Inc. | Concrete Sealants, Inc. | CRANE ChemPharma & Energy | Crane Supply, a division of Crane Canada Co., | Crispin Valve |
| Edmund A. Gray Co., Inc. | Electronic Sensor Products | Ever Performance Polymers Corp., | Everflow Supplies, Inc. |
| Halogen Systems, Inc. | Harvest Thermal, Inc. | Henry Company | HMI | Homewerks Worldwide LLC | Howell Metal Company | HTP Comfort Solutions LLC | Hwei Chien Industrial Co., Ltd. | Hydro Consulting, LLC |
| IDAC Corporation | Imperial Pipe Services, LLC | INEOS Composites | Injectec, Inc. | Inline Industries Inc. | InstaCote, Inc. | Integrity Fusion Products, Inc. | Isotec International, Inc. |
| Keckley Company | Kirkhill Rubber Company, A Hexpol Company | Kiturami Homsys, Inc. | KMAK Group LLC | KorAC NV | Kunshan Elite Instruments Co., Ltd. | Kupferle Foundry Company | KZCO, Inc. |
| Raven Lining Systems, Inc. | Red-White Valve Corp | Resimac Limited | Rheem Canada Brand | Rheem Sales Company Inc | Rhino Linings Corporation | Richmond Brand | Rosenwach Tank Co. LLC | Ross Valve Mfg. Co., Inc. | RUUD Brand |
| VAG - USA | VAG USA LLC | Valvoindustria Ing. Rizzio (VIR) S.P.A. DBA: Red-White Valve Corp., Lake Forest, CA 92360 | VC Systems & Controls, Inc. | VersaFlex Incorporated |