Aeration Equipment/Systems
- Aeration Industries International
- Aerzen USA
- Airmaster Aerator LLC
- American Pleasure Products, Inc.
- Aqua-Aerobic Systems, Inc.
- Ashbrook Simon-Hartley
- AWT Technologies Inc.
- FCI - Fluid Components International
- KLa Systems, Inc.
- KSB, Inc.
- Lakeside Equipment Corporation
- Ovivo
- Sierra Instruments, Inc.
- Smith & Loveless, Inc.
- WesTech Engineering, Inc.
