- AES by Infiltrator
- Alita Industries, Inc.
- Aquaworx by Infiltrator
- Arcan Enterprises
- BioMicrobics, Inc.
- BrenLin Company, Inc.
- Eljen Corporation
- Geomatrix Systems, LLC
- IMET Corporation
- Infiltrator Water Technologies, LLC
- Jet Inc.
- Kistner Concrete Products, Inc.
- Orenco Systems, Inc.
- Polylok, Inc.
- Prinsco, Inc.
- Rissy Plastics, LLC
- Septic Products Inc. (SPI)
- SJE Rhombus®
- Wholesale Septic Supply
