2  Hydromantis Inc   1685 Main st. West, Suite 302 Hamilton, Ontario Canada L8S 1G5 Hydromantis - WatPro Hydromantis - GPS-X Hydromantis - CapdetWorks Hydromantis - SimuWorks Hydromantis - TOXCHEM+ Hydromantis - ARTS™ Hydromantis - Consulting Services

3  GA Industries, Inc   9025 Marshall Road, Cranberry Township, PA 16066 USA GA Industries Inc - AWWA Ball Valves Resilient Seated GA Industries Inc - AWWA Ball Valves Metal Seated GA Industries Inc - Automatic Air Valves For Water And Sewage GA Industries Inc - Check Valves Oil-Controlled Closing Swing Check Valves GA Industries Inc - CHECKtronic® Pump Control Valves GA Industries Inc - Electric Check Valves For Water GA Industries Inc - Level Control Altitude Valves GA Industries Inc - Pressure Reducing Valves Pilot-Operated GA Industries Inc - Surge Relief Valves For Water

4  Smith & Loveless Inc   14040 Santa Fe Trail Drive Lenexa, KS 66215-1284, USA Smith & Loveless Inc - BIOMIXER® - Aeration, Mixing & Control System Smith & Loveless Inc - PISTA® - Grit Removal System Smith & Loveless Inc - FAST® Fixed Activated Sludge Treatment Smith & Loveless Inc - TITAN MBR -- The Complete MBR Package Smith & Loveless Inc - FIBROTEX IronMan - Highly Efficient Filtration

5  JWC Environmental   290 Paularino Avenue Costa Mesa, California 92626 JWC - Muffin Monster® Model 30000 JWC - Storm Monster™ JWC - Bandscreen Monster™ JWC - Chain and Rake Monster™ JWC - Honey Monster™ Septage Receiving System JWC - Screenings Washer Monster® JWC - Auger Monster® Modular Headworks System JWC - Airport Receiving Station JWC - Channel Monsters® JWC - Finescreen Monster™

6  Myron L Company   2450 Implala Drive Carlsbad, CA 92010-7226 USA Myron L - AGRI-METERS™ Myron L - DS and pDS METERS™ Myron L - RO METERS Myron L - ULTRAMETER II™ Myron L - Single & Dual Range Dialysate Meters Myron L - LITHO-KIT™ Myron L - TECHPRO™ Myron L - 750 Series II Conductivity Monitor/controllers Myron L - AQUASWITCH™ Myron L - 750 Series II Resistivity Monitor/controllers Myron L - CONTROLSTIK II™ - Rinse Tank System Myron L - CTCII™ Conductivity/TDS - Chemical Treatment Controller / Cooling Tower Controller Myron L - 720 Series II pH/ORP Monitor/controllers Myron L - RO-CHECK™ POU TDS Monitor

7  Aeration Industries International, Inc   PO Box 59144 Minneapolis, MN 55459-0144 USA AIRE-O2 Triton® Process AIRE-02 UNISYSTEM® treatment plant AIRE-O2® Aspirator Aerator AIRE-O2® 275 Aerator AIRE-O2 Microfloat® System AIRE-O2 TURBO® Aerator AIRE-O2® Series II aerator AIRE-O2 Polaris™ Aerator AIRE-O2® Combined Technologies (ACT™) AIRE-02 TRI-OVAL® System AIRE 02 - Bio-ffilm™ Fixed Film System

8  F. B. Leopold Company, Inc.   227 South Division Street Zelienople, Pennsylvania 16063-1313 Water Treatment Engineering Services Leopold® Rapid Gravity Dual Media Filters Including FilterWorx™ Control System for Water Treatment Leopold® Dissolved Air Flotation (DAF) for Water Treatment Leopold® Clari-Trac-2® Submerged Sludge Collector for Water Treatment Leopold® Clari-Vac® Floating Sludge Collector for Wastewater Treatment Leopold® Dissolved Air Flotation (DAF) Systems For Backwash Water Recovery Leopold® High-Rate Sedimentation Clarification Systems Leopold® Tertiary Filter Systems for Wastewater Treatment Leopold® elimi-NITE™ Denitrification System for Wastewater Treatment Leopold® Dissolved Air Flotation (DAF) system for Wastewater Treatment Leopold® Clari-Vac® Floating Sludge Collector for Water Treatment

9  Blue-White Industries   5300 Business Drive Huntington Beach, CA 92649 USA Blue-White - CHEM-FEED C1100 SERIES METERING PUMPS Blue-White - CHEM-FEED C-1500N METERING PUMP Blue-White - CHEM-FEED ENGINEERED SKID SYSTEMS Blue-White - FLOW MONITORING SYSTEM Blue-White - SONIC-PRO ULTRASONIC FLOWMETER Blue-White - CHEM-PRO C2 DIAPHRAGM METERING PUMP Blue-White - FLEX-PRO A3 PERISTALTIC METERING PUMP Blue-White - FLEX-PRO A4 PERISTALTIC METERING PUMP Blue-White - BLUE-WHITE F-400N SERIES FLOWMETERS Blue-White - F-550N and F-550NA PANEL MOUNT FLOWMETERS Blue-White - FLEXFLO A-100N PERISTALTIC METERING PUMPS Blue-White - BLUE-WHITE F-440N and F-450N FLOWMETERS Blue-White - CHEM-FEED C-600P METERING PUMP Blue-White - F-460 and F-461 SERIES FLOWMETERS Blue-White - MICRO-FLO Flow Verification Systems

10  Severn Trent Services (Asia Pacific Regional Office)   No. 10, Jalan SS 21/58 Damansara Utama, Petaling Jaya Selangor, Malaysia 47400 Severn Trent - ClorTec Severn Trent - Gas Feed Systems Severn Trent - Instrumentation Severn Trent - Membrane Filtration Systems Severn Trent - TETRA® Tertiary Filtration Severn Trent - Chlorine Dioxide Generation Systems Severn Trent - Arsenic Removal Severn Trent - Bottling Systems Severn Trent - Ultraviolet Disinfection Severn Trent - Non-Revenue Water