Aquapoint, Inc.

Bio-Microbics, Inc.

Bord na Mona

Delta Environmental Products/Pentair Water

Eljen Corporation

Geoflow, Inc.

Geomatrix, LLC

Hoot Systems, LLC

Infiltrator Systems

JNM Technologies, Inc.

Lombardo Associates, Inc.

Orenco Systems Inc

Premier Tech Environment

Quanics Inc

Salcor Inc.

Tuf-Tite, Inc.

Wastewater Technologies Inc

Waterloo Biofilter Systems

Zoeller Pump Company