Donaldson Torit 17%
MikroPul 8%

Elastomers
DuPont (DuPont Dow) 50%

Engineering/Design Services
Fluor Daniel 10%
Jacobs 10%
CH2M Hill (Lockwood Greene) 7%
KBR 6%
 
Explosion Protection Systems
Fike 36%
Fenwal 7%
Protectoseal 5%

Fans/Blowers
New York Blower 19%
Howden Buffalo 10%
Dresser Roots 7%
Chicago Blower 6%
Robinson 6%

Feeders
K-Tron 23%

Filtration Systems
Pall 15%
USFilter - Siemens 7%
Hayward 7%

Flow Instrumentation
Emerson Process Management 52%
Endress+Hauser 11%
Invensys (Foxboro) 10%

 

Heat Exchangers
Alfa Laval 13%
ITT Standard 7%
Southern 6%
Doyle & Roth 5%

Heat Transfer Fluids
Dow 53%
Solutia 17%
Paratherm 6%

Infrared Thermography Equipment
FLIR 13%
Land 5%
Mikron 5%

Instrument Calibration Systems
Fluke 16%
Emerson Process Management 7%
Honeywell 5%

Laboratory/Quality Systems
PerkinElmer 6%

Level Instrumentation 
Emerson Process Management 32%
Endress+Hauser 11%
Ohmart/VEGA 5%
Ametek (Drexelbrook) 5%
Siemens 5%

Lubricants
ExxonMobil 31%
Chevron (Texaco) 10%
Shell 8%
Royal Purple 7%

Materials of Construction
Haynes International 15%

Mixing Systems
Lightnin
— SPX Process Equipment 35%
Chemineer (Kenics) 12%
Charles Ross & Son 6%
Ekato 5%

Motors
Baldor 23%
Reliance 17%
GE 16%
Emerson (U.S. Electrical Motors) 9%
Siemens 9%

Pipe/Tubing/Fittings
Swagelok 26%
Parker Hannifin 7%

Plant Design Software
Aspen Technology 19%
Autodesk 5%
Intergraph 5%

Pneumatic Conveying Systems
Dynamic Air 6%
Vac-U-Max 5%
Young Industries 5%

Positive Displacement Pumps
Viking 20%
Milton Roy 8%
Moyno 8%
Dover (Blackmer and Wilden) 6%
Waukesha Cherry-Burrell
— SPX Process Equipment 5%

Pressure Instrumentation
Emerson Process Management 46%
Ashcroft 5%
Invensys (Foxboro) 5%

Process Analyzers
Emerson Process Management 21%
Siemens (Applied Automation) 11%
ABB 7%

Process Automation Systems
Emerson Process Management 31%
Honeywell 16%
Rockwell (Allen-Bradley) 8%
Siemens 6%
Invensys (Foxboro) 5%

Process Simulation Software
Aspen Technology 32%
Invensys (SimSci-Esscor) 8%
Mynah Technologies 5%

Refrigeration/Chilling Equipment
Trane 19%
York 18%
Carrier 8%
FES Systems 5%

Screening Equipment
Sweco 24%
ROTEX 13%
Kason 6%

Seals
John Crane 31%
Flowserve 19%
A. W. Chesterton 6%

Spray Nozzles
Spraying Systems 47%
Bete Fog Nozzle 11%

Tanks/Vessels
CB&I 9%
Paul Mueller 8%
Pfaudler 8%

Temperature Instrumentation
Emerson Process Management 43%
Omega 8%
Honeywell 8%
Invensys (Foxboro) 5%

Vacuum Systems
Nash_Elmo 18%
Graham 7%
Tuthill (Kinney) 6%
BOC Edwards 5%
Busch 5%

Valves/Actuators
Emerson Process Management 27%
Flowserve 15%
Metso (Neles-Jamesbury) 6%

Vibration Monitoring Equipment
Bently Nevada 34%
Emerson Process Management 9%

Water Treatment Systems
Siemens (USFilter) 21%
GE 18%
Nalco 12%

Weighing Systems
Mettler Toledo 40%
Ohaus 5%
Rice Lake 5%