- ALFA LAVAL
- AVK Holding A/S
- CIRCOR International Inc.
- Crane Co.
- Castel SRL
- Sanhua USA
- Curtiss-Wright Corporation
- Danfoss A/S
- Emerson Electric Co.
- Georg Fischer Ltd.
- Flowserve Corporation
- Hitachi Ltd.
- Honeywell International Inc.
- ITT Inc.
- KITZ Corporation
- Mueller Water Products Inc.
- NIBCO Inc.
- Schlumberger Limited
- The Weir Group PL