ABB

Holman Boiler Works, Inc.

ABCO Industries, Inc.

HPB Engineered Equipment

Abington Metals

HPT

Air Products

HTH Heatech

Air Techniques

Huntsman Corporation

Albemarle Corporation

Hyundai Heavy Industries

Alborg-Keystone

IBM

Alfa-Laval

IBP, Inc.

Allied Chemical

Indeck Power Equipment

Allied Signal

International Paper

Alpo Petfoods

Jacobs Engineering Group

Ameritech Equipment Corporation

Jamaica Broiler

Amoco Oil Company

John Deere

Aramco

Joliet Boiler

Atlantia Corporation

Kimberly Clark

B. F. Goodrich

Kraft Foods

B. G. Wickberg Company

Land O’ Lakes

Babcock & Wilcox

Lantic Sugar

Bacon Engineering

Lipten Company

Bayer

Lockheed Martin Aerospace

Beaird Industries

Lockwood Products, Inc.

Bear Paw Energy

Lousiania Off-Shore Oil Platforms, Inc.

Beatrice Cheese

Lucene Technologies

Bechtel Power Corporation

M & M Mars

BFI

Marathon Ashland Petroleum

Borden Chemical, Inc.

Markwest Hydrocarbon, Inc.

Bridgeline Gas

McBurney Corporation

Brigham Young University

McCain Foods

Broach Company

Mexicana de Cobre, S. A. de C. V.

Brown & Root

Middlebury College

Calderas Myrggo, S.A. de C.V.

Minergy Glass Aggregate Plant

Callidus Technologies

Minnesota Corn

Cal-Tex

Mirlees Blackstone

Campbell Soups

Miura Boiler

Cargill

Nationwide Boiler

CAVX Corporation

Nebraska Boiler Company

Central Design, Inc.

Nestle

Cerrey S.A., de C. V.

Nevada Power

Chem Systems

Northern States Power Company

Chemical Bank

Northern Telecom

Chevon Venezuela

Northrop Grumman

Chrysler

NutraSweet

City of London

Oklahoma Gas & Electric

Cleaver Brooks

Orenda Aerospace

Coastal Javolina

Oxychem

Coen Company

PetroBras

Colorado State University

PMEX

Combustion & Energy Systems

Pratt & Whitney Corp.

Conoco

Procedair Industries

Contec Mexicana

Pro-Quip Corporation

Cooper Tire & Rubber

Public Works Canada

Davy International

PVI

Davy McKee Corporation

Rabun Apparel Inc.

Del Monte

Raytheon

Deltak

Rouge Steel

Dupont Chemical

Sanderson Farms

Dynergy

Santa Monica Bay Hotel

E.I. DuPont

Saticoy Foods

E.I. Dupont de Nemours

Scepter

EAL/ERI Cogeneration

Ship & Shore Sheet Metal

Eastern Illinois University

South Lake Tahoe Public Utility

English Boiler Company

Stone & Webster

Entech

Sun Oil Company

ESI of Tennessee

T. H. Russell

Firestone

Texaco-Bridgeline Gas

Fluor Daniel

Thermal Economy, Inc.

Ford Motor Company

Thermal Engineering Company

Foremost Foods

Toronto District Heating

Foster Wheeler

Trigen

Foster Wheeler Limited

Trinity Air Technologies

Foster Wheeler Mexicana

University of Wisconsin

Fruit of the Loom, Inc.

US Department of Defense

Furnace and Tube Service

US Turbines

Gastech Engineering

Vapor Inc.

General Motors

Vicksburg Chemical

Geoenergy International Corporation

Volcano Inc.

Georgia Pacific

Warren Environment, Inc.

Global Boiler

Wartsila NSD

Goodyear Tire & Rubber Company

Wausau Papers

GTS Energy, Inc.

West Coast Energy

Hawker-Siddely

West Point Stevens

Heat & Control

Western Sugar

Hercules Aerospace

Willomet

Hershey Canada

Zoltek Corporation

Hirakawa Guidom

Zurn Energy