Ace
Iron & Metals, Inc.
Adler Tank Rentals
AECOM
Aeropres Corporation
Air Liquide Healthcare
Aires Consulting
AkzoNobel Surface Chemistry
Ambitech Engineering Corporation
AMEC Environmental & Infrastructure
Americas Styrenics
AMS Mechanical Systems
Amex Nooter, LLC
AMS Environmental, Inc.
Apollo Colors, Inc.
Arcadis
ARCOON Access Floors
Argonne National Laboratory
Arkema, Inc
Atlantic Plant Services
Aux Sable Liquid Products
Badger Daylighting
Baish Excavating Inc.
Barnhart Crane
Barnes & Thonburg LLP
Barnett/Bates Corporation
Blachford Corporation
Blue Island Phenol LLC
BMW Constructors
Bodine Services of Peoria
Brieser Construction
Brumund, Jacobs, Hammel, Davidson
& Andreano, LLC
Business Engineering, Division of
R.E. Wajer & Associates
Canal Terminal Company
Cat-Spec
CDS Services, Inc.
Champion Technologies
Chicagoland Drug Testing
CITGO Petroleum Corp.
Civil & Environmental Consultants
CL Coatings
Clean Harbors Environmental
CMC America Corp.
Conestoga-Rovers & Assoc.
Construction Safety Service
Contractors Assn of Will &
Grundy Counties
Crowther Roofing & Sheet Metal
D Construction, Inc.
DePue Mechanical, Inc.
DeSoto, LLC
DIAGEO Global Supply
DisposAll Waste Services, LLC
DISA, Inc.
Diversified CPC Int’l
DLZ Industrial, LLC
Dow Chemical Company
Dow Chemical - Wilmington
Dubak Electrical Contractors
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Eagle Services Corporation
Early Consulting, LLC
Earth Solutions Inc.
Enbridge Energy
Environmental Monitoring &
Technologies
Evolution Industrial Cleaning
ExxonMobil Joliet Refinery
Fastrak Construction Mgmt.
First Midwest Bank
Flint Hills Resources
Forbo Adhesives
Gaia Tech, Inc.
Gallagher Asphalt
GDF SUEZ Energy Resources
General Insulation Company
General Machine & Tool Co.
Geosyntec Consultants
Grundy Area Vocational Center
Hayes Mechanical Inc.
Heritage Environmental Serv.
Imperial Crane Services
IMTT Illinois- Channahon
IMTT Illinois-Lemont
Indicom Electric
Interstate Chemicals - Alpont
Terminal
IOI Loders Croklaan
ITT Water & Waste Flygt Products
J-M Printers, Inc.
Johns Manville
Joliet Equipment
Joliet Junior College
Kaluzny Brothers, Inc.
Kelly Services
KM Plant Services
Lewis University
Lindblad Construction
Lockport Steel Fabricators
Luse Holdings
LyondellBasell Industries
Maertin Heating & Cooling
Malcom Pirnie, Inc.
Manhattan Mechanical Services
Manpower Inc.
Manta Industrial Services
Matheson Gas Products
Meade Co.
Meccon Industries
Meridian Medical Associates
Midwest Generation
Midwest Valve Services
Mining International
MKD Electric, Inc.
Nat'l Electrical Cont. Assn.
National Pump & Compresor
Natural Resource Technology
Nicor
Niles Industrial Coatings
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Oiltanking
Joliet, LLC
Oxbow Midwest Calcining, LLC
Pactiv Corporation
Patrick Engineering
PDM Plumbing, Heating & Air
Phoenix Fire Systems
Physicians Immediate Care
Plumbing & Mechanical
Contractors
Association
PQ Corp.
Priority Staffing
Quad Plus, Inc.
Rain For Rent
Reichhold, Inc
Rhodia
Ritter Forest Products
Riverside Corporate Health
Services
RockTenn
Rogina & Associates
Ruettiger, Tonelli & Assoc.
R. W. Collins Co,
Sage Environmental
Consulting
Scheck Mechanical Corp
ScreenSafe
Seeler Industries
SET Environmental, Inc.
SGS North America
Shaw Environmental
Simplex Grinnell
Spike Enterprise, Inc.
STARCON
Stepan Company
Stevenson Crane Service
Stevenson Sales & Services
Styrolution America
Sulzer Pumps
Superheat FGH Services
Superior Engineering, LLC
Superior Petroleum
TDW Services
TEAM Industrial Serv.
Three Rivers Construction
Alliancel
Total Safety, Inc.
Toyal America Inc.
Trihydro Corp.
Trinity Consultants
URS Corporation
US Safety
Valdes Engineering
Valero Terminal & Distribution
Vanguard Energy Services
Vector Pipeline
Veolia ES Industrial Svcs.
Veracity Employment
Will County EMA
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