- AES
- AK Industries
- BioMicrobics, Inc.
- BrenLin Company, Inc.
- EZflow
- EZset
- Hydro-Action
- Infiltrator Tanks
- Infiltrator Water Technologies, LLC
- Jet Inc.
- Norweco, Inc.
- Orenco Systems, Inc.
- Polylok, Inc.
- Premier Tech Water and Environment Inc.
- Prinsco, Inc.
- Quick4
- Roth North America
- SJE Rhombus®
- SludgeHammer Group, Ltd.
- TOPP Industries, Inc.
- TUF-TITE, Inc.
