Alita Industries, Inc. BioMicrobics, Inc. BrenLin Company, Inc. Clarus Environmental Ecoflo / Premier Tech Aqua Eliminite, Inc. Eljen Corporation Fuji Clean USA Hoot Systems, LLC Infiltrator Water Technologies, LLC Jet Inc. Kistner Concrete Products, Inc. Knight Treatment Systems MicroSepTec NextGen Septic, LLC Norweco, Inc. Presby Environmental Inc. (PEI) SALCOR Septic Products, Inc. Sim/Tech Filter Inc. SJE-Rhombus® TUF-TITE, Inc. Waterloo Biofilter Systems Inc.