Sludge - Mixers/Thickeners
- Anaergia
- Centrisys/CNP
- ELODE USA, Inc.
- FKC Co., Ltd.
- Flottweg Separation Technology, Inc.
- FLS
- HUBER Technology, Inc.
- JDV Equipment Corporation
- JWC Environmental Inc.
- Komline-Sanderson
- Kuhn North America, Inc.
- Pieralisi North America, Inc.
- Press Technology & Mfg., Inc.
- Pulsed Hydraulics, Inc.
- Rebuild-It Services Group
- Vaughan Company, Inc.