| A.Y. McDonald Manufacturing Company |
Johnson, Mirmiran & Thompson |
| Advanced Drainage Systems, Inc. |
Johnston, Inc. |
| American AVK Company |
K.L. Shane Inc. |
| American Development Corporation |
Kappe Associates, Inc. |
| American Flow Control |
Keller America Inc. |
| AMR, Inc. |
Kendall & Son Ltd. |
| Analabs |
KSB, Inc. |
| Anderson & Associates, Inc. |
LB Water |
| AquaLaw PLC |
Liberty Pumps |
| Aqueous Sales |
Malcolm Pirnie, Inc. |
| Atlantic Machinery |
Maryland Biochemical Company |
| Atlantic Utility Solutions, Inc. |
Master Meter, Inc. |
| Atlantic Valve & Equipment, Inc. |
Maxim Engineering, Inc. |
| ATS International, Inc. |
McCoy & McCoy Laboratories, Inc. |
| AutomaTech, Inc. |
Mid Atlantic Storage Systems |
| Automatic Controls of Virginia, Inc. |
Mid-Atlantic Waste Systems |
| Baker Manufacturing Co. |
Miller Supply Company |
| Boggs Municipal Services, Inc. |
Mission Communications |
| Bowman Consulting Group (formally Bury + Partners) |
MT Electronics Inc. |
| Brenntag Mid-South |
MTEK, Inc. (Bio-Systems International) |
| Brewco Pipe & Supply |
Mueller Company |
| Caldwell Tanks, Inc. |
Mueller Systems |
| Carolina Meter & Supply |
Neptune Technology Group |
| Carotek, Inc. |
Pall Corporation |
| CHA Consulting, Inc. |
PAX Water Technologies Inc |
| Chapman Tecnical Group |
Pentree, Inc. |
| Cimtec Automation |
Perma-Patch, Inc. |
| CLA-VAL Company |
Phoenix Tank |
| Clear Flow by Americast |
PHR + A, A Pennoni Company |
| CMC Supply, Inc. |
Pittsburg Tank & Tower Company |
| Commonwealth Engineering & Sales |
Pleasants Construction |
| Consolidated Pipe & Supply Co., Inc. |
Powerseal/Garrison |
| CONTECH Construction Products, Inc. |
Progress Engineers, P.C. |
| Continential Utility Solutions, Inc. |
Pump Engineering Sales & Service |
| Control Equipment Co. |
QS/1 |
| Coyne Environmental Services |
R.P. Finch, Inc. |
| Cretex Specialty Products |
Red Bud Supply |
| Crocker & Associates, Inc. |
Reed Manufacturing Company |
| Crowder Construction Company |
REI Consultants, Inc. |
| Daparak, Inc. |
Reid Engineering Co., Inc. |
| Davis, Bowen & Friedel |
Roanoke Pump Sales & Services, Inc. |
| Delta Systems Environmental LLC |
Rockacy & Associates |
| Dewberry & Davis, Inc. |
Romac Industries |
| Diversified Technology Corp. |
Schnabel Engineering |
| Dorsett Technologies, Inc. |
Shepherd Group/ D&S Contractors |
| Draper Aden Associates |
Sherwood-Logan & Associates, Inc. |
| Dutchland, Inc. |
South Data |
| Earth Vector Systems |
Sigma Corp. |
| Emergency Communications Network |
Siler Environmental Equipment Co. |
| Engineering Equipment Company |
Source 1 Environmental |
| EnviroCompliance Laboratories Inc. |
Southern Corrosion |
| Environmental Monitoring, Inc. |
SpectraShield of the Carolinas |
| Ferguson Waterworks |
State Industrial Products |
| Fidelity Power Systems |
Sterling Engineering Solutions, Inc. |
| FLOMEC, Inc. |
Sunapsys, Inc. |
| Flow-Tech, Inc. |
SwiftReach Networks, Inc. |
| Gardner, O’Connor, Inc. |
Sydnor Hydro, Inc. |
| Geiger |
Team Industrial Services Inc. |
| GHD, Inc. (Formally Stearns & Wheler) |
Ten Cate Geosynthetics Water & Environment Division |
| Glatfelter Public Practice |
Tencarva |
| Godwin Pumps of America |
The Crom Corporation |
| Golder Associates |
The Ford Meter Box Co., Inc. |
| Griffin Pipe Products |
The Perkinson Co., Inc. |
| HACH Company |
Thermo Scientific Orion |
| HD Supply Waterworks (Martinsburg) |
Thompson & Litton |
| HD Supply Waterworks (Roanoke) |
Timmons Group |
| HD Supply Waterworks, Ltd. |
TNEMEC Co., Inc. (TSE, Inc.) |
| Heyward, Inc. |
Tri-State Utilities |
| Hill’s Electric Motor Service Inc. |
U.S. Pipe & Foundry Co. |
| Hose Solutions, Inc. |
Univar USA Inc. |
| HP Hood, LLC |
USA BlueBook – #619 |
| Hurt & Proffitt, Inc. |
Utility Service Co., Inc. |
| Hydro Designs, Inc. |
Vaden Company / Applied Engineering Inc. |
| ICS – Blount International |
Virginia Resources Authority |
| Inboden Environmental Services, Inc. |
Water Guard, Inc. |
| Instrulogic Corporation |
Whitman, Requardt and Associates, LLP |
| Ireland Electric Company |
Wiley|Wilson |
| Itron |
Winschel Environmental, LLC |
| James River Equipment Corp., LLC |
Wood Equipment Co. |
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WW Associates |
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