30 Shrewsbury Street
Holden, MA 01520-1843 USA

phone: +1 508-829-6000
fax: +1 508-829-5939



Hydraulic Modeling Clients


Abrams & LaFargue

Abtech Industries

Acres International Corp.

Advanced Drainage Systems, Inc.


American Electric Power Corporation

Bechtel Power Corporation

Biddeford & Saco Water Company

Bowater/Great Northern Paper Company

Brown & Caldwell

Brown, Cunningham & Gannuch, Inc.

Burk-Kleinpeter, Inc.

Burns & McDonnell

Camp, Dresser & McKee, Inc.

Carroll Engineering Corporation

Central Maine Power Company

CH2M Hill

Chemineer, Inc.

Consolidated Edison Company of New York

Corning, Inc

Crespo Consulting

CVI, Inc.

Delich, Roth & Goodwillie

Design Engineering, Inc.

Duke Power Company

Entergy Nuclear Generation Co.

Entergy Operations, Inc.


Fairbanks Morse Pump Corp.

Florida Power and Light

Flygt Corporation

Freese & Nichols, Inc.


Gannett Fleming, Inc.

General Dynamics, Electric Boat Division

General Electric Company

Grant County Public Utility District No2

Great Northern Energy

Greeley & Hansen Engineers

Hadek Protective Systems

Harris Group, Inc.

Harza Engineering Company

Hazen & Sawyer

Hitachi America, Inc.

Holyoke Gas & Electric Department

HydroQual, Inc.


Imbrium Systems

Indiana Michigan Power Company

Interstate Asphalt 

ITT Flygt Corporation

Kellogg Brown & Root, Inc.

Knolls Atomic Power Laboratory

Latham & Watkins, Attorneys

Linfield, Hunter & Junius, Inc.


Malcolm Pirnie, Inc.

Metcalf & Eddy, Inc.

Meyer Engineers, Ltd.

Minnesota Power & Light Company

Montgomery Watson Harza

MPR Associates, Inc.

New York Power Authority

Northeast Generation Services

Northeast Utilities Service Company

Northern Research & Engineering Corp.  

Nova Scotia Power Corp.

NSF International

O'Brien & Gere Engineers, Inc.

Omaha Public Power District

Overseas Bechtel, Inc.

Parsons Main of New York, Inc.

Pepper & Associates, Inc.

Peter Kiewit Sons Company, Ltd.

PG&E National Energy Group

Poseidon Resources Corporation

Proto-Power Corporation

Public Service Electric & Gas Company

Rochester Gas & Electric Company

Santee Cooper


Sewerage & Water Board of New Orleans

Simpson Gumpertz & Heger, Inc.

Sokol, Behot & Fiorenzo

South Carolina Electric & Gas Company

South Florida Water Management District

Stone & Webster, Inc./Shaw Group

Tennessee Valley Authority

Terre Hill Stormwater

Transco Products, Inc.

Tri-Clover, Inc.

Trojan Technologies, Inc.

Turner Envirologic, Inc.

Turner, Collie & Braden

U.S. Army Corps of Engineers

United Conveyor Corporation

URS Greiner, Inc.

US Filter/Johnson Screens

US Gen New England, Inc.

US Generating Company

Vermont Yankee Nuclear Power Corporation

W.S. Nelson & Company, Inc.

Westfall Manufacturing

Westinghouse Electric Corporation

Westinghouse Electro-Mechanical Division

Westinghouse Government Services

Wheelabrator Engineered Systems, Inc.

Wisconsin Electric Power Company

Worcester Polytechnic Institute