Aerobic Treatment
- Aerzen
- Anue Water Technologies
- Byo-Gon, Inc.
- Centrisys/CNP
- Clean Water Technology
- Environetics, Inc.
- FPZ, Inc.
- Headworks International, Inc.
- Heron Innovators, Inc. SAF®
- Hydro-Thermal Corporation
- Linde
- Lone Star Blower and Compressor
- Moleaer
- Pick Heaters, Inc.
- Prime Solution, Inc.
- Triplepoint Environmental