Aeration Equipment/Systems
- Aerzen
- All-Star Products
- Anue Water Technologies
- Aqua-Aerobic Systems, Inc.
- Atlas Copco Compressors
- AUC Group
- BG Industrial
- Eurus Blower, Inc.
- FPZ, Inc.
- Inovair Geared Centrifugal Blowers
- Ixom Watercare
- Jim Myers & Sons, Inc.
- Kaeser Compressors, Inc.
- Kasco Marine
- Lakeside Equipment Corporation
- Linde
- Lone Star Blower and Compressor
- Mazzei Injector Company, LLC
- Moleaer
- Parkson Corporation
- R.A. Ross & Associates NE, Inc.
- Sierra Instruments, Inc.
- Smith & Loveless, Inc.
- Triplepoint Environmental
- Xylem