| Company |
Exhibit
Space # |
| ADT Security
Services National Account |
207 |
| All
Service Contracting Corp. |
501 |
| AMCO Water
Metering Systems |
1123 |
| American Flow
Control |
1015 |
| American
Materials Corporation |
905 |
| Applied
Technologies Inc. |
810 |
| Aquifer
Science & Technology |
1019 |
| Aquatic
Control Inc. |
912 |
| Associated
Tech. Services Ltd. |
602 |
| Badger
Meter |
401 |
| BLR Enterprises, Inc. |
1207 |
| BMR - SMO Sales and
Service |
1202 |
| Borg General Sales |
1134 |
| Burns and McDonnell |
1201 |
| Carbon Enterprises Inc. |
203 |
| Carus Chemical |
1121 |
| CCT
Environmental Inc. |
108 |
| Citect |
1130 |
| Civic
Systems, LLC |
1124 |
| Clark
Dietz, Inc. |
804 |
| Cla-Val
Company |
502 |
| Corrpro
Companies |
406 |
| Crawford,
Murphy & Tilly, Inc. |
411 |
| DeZurik |
307 |
| Dixon
Engineering, Inc. |
109 |
| Doonan
Environmental |
101 & 102 |
| Douglas
Corporation |
913 |
| Drydon
Equipment Inc. |
1005 |
| Durkin
Equipment |
300 |
| E.H.
Wachs Co. |
911 |
| East
Jordan Iron Works |
806 |
| Elan Industries |
305 |
| Energy
Associates Inc. |
106 |
| Engineered
Fluid, Inc. |
710 |
| Environ.
Rsrcs. Training Ctr. |
509 |
| Farnsworth
Group Inc. |
1125 |
| Federal
Signal Corporation |
303 |
| Fischer
Harris & Associates |
709 |
| FLC
Instruments Inc. |
1016 |
| FLOLO Corporation |
1114 |
| Flo
Systems Incorporated |
308 |
| Floran
Technologies |
908-909 |
| Flowserve
On-Line Services |
206 |
| Flow-Technics,
Inc. |
1008 |
| Ford Meter Box |
1209 |
| Forrer
Supply Co., Inc. |
304 |
| Gasvoda
& Associates |
1021 |
| Giant WOW |
1112 |
| Great
Lakes Aquastore Systems |
306 |
| Greeley
and Hansen Engineers |
800 |
| Hawkins
Wter Treatment Group |
1136 |
| Henry
Pratt Co. |
504 |
| Hersey Meters |
1205 |
| Hexagram,
Inc. |
113 |
| Horner
& Shifrin, Inc. |
1115 |
| Hydranautics |
112 |
| Hydro-Kinetics
Corp. |
801 |
| ICI Paints/Devoe Coatings |
205 |
| IEPA |
1000 |
| IL
Dept. of Public Health |
1200
|
| Illinois
Dept. of Nat. Rsrcs. |
1002
|
| Illinois Section AWWA |
204
|
| Illinois
State Water Survey |
1203
|
| Illinois-American
Water Co. |
1018 |
| Illinois Security
Services |
403 |
| Instrument
Control Systems Inc. |
901 |
| Invensys
Metering Systems |
601 |
| ISCO Industries |
1133 |
| JM
Process Systems |
1113 |
| Kamp/Synergy |
1006 |
| Laser
Source, Inc. |
111 |
| Layne
Western Company, Inc. |
711 |
| Ley
& Associates, Inc. |
802 |
| Linden
and Company |
1014 |
| M.E.
Simpson Company, Inc. |
805 |
| Metropolitan
Industries |
311 |
| Microwave
Data Systems |
405 |
| Midwest H20 LLC |
1001 |
| Miller
Pipeline Corporation |
510 |
| Mueller Company |
1111 |
| Municipal
Equipment |
103-104-105 |
| Municipal
Well and Pump |
511 |
| MWH Global |
500 |
| Natgun
Corporation |
1003 |
| Norman
Noe Co., Inc. |
100 |
| Northern
Filter Media |
902 |
| Occidental Chemical Corp. |
301 |
| PDC
Laboratories |
900 |
| Postl-Yore
& Assoc. |
505 |
| PPG Industries |
1208 |
| Preload
Inc. |
107 |
| Pro-Dive |
404 |
| R.E. Pedrotii |
1126 |
| Resource
Utility Supply |
110 |
| Reynolds Inc. |
1110 |
| SCADAware |
904 |
| Severn
Trent Pipeline Services |
211 |
| Seiler Instrument |
1007 |
| Sodemann
& Associates, Inc. |
600 |
| Stanley
Consultants |
409 |
| Stiles-Kem
Division Met Pro |
310 |
| Strategic
Diagnostics Inc. |
811 |
| Suburban
Laboratories Inc. |
208 |
| Tank
Industry Consultants |
400 |
| Tnemec
/ Taylor Coating Sales Inc. |
410 |
| Tonka Equipment Company |
1020 |
| Underground Pipe and Valve Inc. |
1206 |
| USA
BlueBook |
506 & 507 |
| USA
Tank Sales & Erection Co., |
202 |
| US Filter Control
Systems |
1210 |
| Utility Service Co. |
1135 |
| Vandevanter Engineering Co. |
200-201 |
| Vermeer Midwest |
1131 |
| Water For People |
114 |
| Water Remediation
Technology |
99 |
| Water
Solutions Unlimited |
807 |
| Water Tower Paint and Repair |
1120 |
| Westin |
1004 |
| Yankee Plastics Co./ACO
Polymer Products |
210 |