Sludge Reduction/Treatment
- Aqualitec Corp.
- Bright Technologies, Division of Sebright Products, Inc.
- Byo-Gon, Inc.
- Centrisys/CNP
- DO2E Wastewater Treatment LLC
- EGSW - Environmental Group Southwest
- Flottweg Separation Technology, Inc.
- HUBER Technology, Inc.
- Hurst Boiler
- International Dioxcide / ERCO Worldwide
- MDG Bio
- Park Process
- Pieralisi North America, Inc.
- Press Technology & Mfg., Inc.