Advanced Treatment Units
- Anua
- Bio-Microbics, Inc.
- Clarus Environmental
- Delta Environmental Products
- Eljen Corporation
- Fergus Power Pump, Inc.
- Hoot Systems, LLC
- Jet Inc.
- Norweco, Inc.
- Orenco Systems, Inc.
- Premier Tech Aqua
- Presby Environmental
- Quanics, Inc.
- Salcor, Inc.
- Septic Sewage Pumps
- SludgeHammer Group, Ltd.
- The Dirty Bird
- Waterloo Biofilter Systems, Inc.




