We would like the thank the following companies for their generous contributions to our materials:

AGCO Corporation (Allis-Chalmers)Magnatrol Valve Corporation
Allen-Bradley & Rockwell Software BrandsMcGraw-Hill Inc.
ALSTOM Power Inc.Mitsubishi Heavy Industries Ltd.
American Water Works AssociationNalco Company
Apex Instruments Inc.Omron Canada Inc.
ASHRAE PublicationsPearson Education Inc.
Babcock & Wilcox CompanyPetro-Canada
Bacharach of CanadaPhiladelphia Gear Engineering & Technical Center
Betz Laboratories Inc.Rolls-Royce Canada Ltd.
Born CanadaSiemens AG
Crane Co.Siemens Westinghouse Power Corp.
CRC Press LLCSolar Turbines Canada Ltd.
DegremontSpirax-Sarco Limited
Dow Chemical Canada Inc.Strategic Maintenance Solutions Inc.
Dresser-RandStructural Integrity Associates
Dwyer Instruments Inc.Texas Instruments Incorporated
ECODYNE LimitedThe American Welding Society
eFunda Inc.The Revak Company
Emerson Electric Canada Ltd.Thermo Electron Corporation
Finning-Caterpillar Inc.Thomas Reed Publications Limited
FireyeTop Electronics
Fossil Steam Technologies Inc.Toshiba America Inc.
Foster Wheeler Inc.Waukesha Engine Dresser Canada Inc.
GC3 Specialty Chemicals Inc.Warren Controls Inc.
General Electric CompanyWindings Inc.
General Electric WaterYarway
GleggYokogawa Corporation of America
Graver Water Division, EcodyneGE Energy
Hitachi Canada Ltd.The Fairmont Press Inc.
Infilco DegremontWeir Process Equipment
Instrument Society of America 
Ionics RCC 
IPT Publishing and Training Ltd. 
Ivara Corporation 
John Wiley & Sons Canada Ltd. 
Kobold Instruments Canada Ltd. 
Kraissl Company Inc. 
Kuhlman Electric Corporation