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Actin, Inc.
Advance Industrial Services, Inc.
AML Enterprises
Allen Landscaping
Amex Construction Co., Inc.
ANR Pipe Line Company
BP Whiting Business Unit
Brandenburg Industrial Services
Cargill, Inc.
CJ Langenfelder & Son
Casting Services
Cerestar USA Inc.
City of Crown Point
City of Hammond
City of Hammond Health Dept.
City of Hobart
City of LaPorte
City of Valparaiso
City of Whiting
Conoco Phillips Pipe Line Company
Dwyer Instruments, Inc.
Eagle Services
East Chicago Public Schools
East Chicago Waterway Mgt.
EcoQuest
Elaine Estridge Enterprises
Elmwood Cemetery
Envirotest Systems
First United Methodist Church -- Valparaiso
Fountainview Place
Furnco Construction
G & B Trucking, Inc.
GPX, Inc.
Gary Public Trans. Corp.
Gary Sanitary District
Geminus Corp.
General American Transportation
Graycor Industrial Constructors
Hadady Corporation
Hammond Environmental Education Center
Hammond Lead Products Heritage Environmental Services
IDEM
INDOT
Illiana Disposal and Recycling
Indiana Toll Road
Indiana University Northwest
International Mill Service, Inc.
Ivy Tech
Keil Chemical Div., Ferro Corp
Kenny Industrial Services
Kmart - Valparaiso
Kvaerner Songer, Inc.
LCEOC
LTV STEEL
Laidlaw Educational Services, Inc.
Lake County Health Dept.
Lake County Public Library
Lake County SWMD
Lakeshore Landscaping, Inc.
LaPorte Chamber of Commerce
LaPorte County SWMD
LaPorte County Health Dept.
MCTV (Channel 48)
Michiana Resources, Inc.
Michigan City Chamber of Commerce
Michigan City Public Library
Midwest Pipe Coating, Inc.
Mittal Steel
Modine Manufacturing Co.
Morrison Construction Company
Mostardi-Platt, Assoc.
NICTD - South Shore Train Line
NIPSCO
NIRPC
National Steel
Nation Wide Security
New York Blower Corp.
Northwest Indiana Forum
OSI Environmental
Ozinga Indiana R.M.C. Inc
Pekron Consultants
Pepsi-Cola General Bottlers
Phillips, Getschow Co.
Porter County Fair
Porter County Health Dept.
Porter C. Surveyor
Praxair
Progressive Transportation
Purdue University Calumet
Radio One Communications
Railworks Midwest Services
Response Maintenance, Inc.
Rexam
Rhodia, Inc.
Rogers and Sons Construction, Inc.
Safety Kleen Systems
Save the Dunes Council
School Town of Highland
School City of Hammond
Severn Trent Laboratories
Shirley Heinze Environmental Fund
Silgan Containers
South Shore Clean Cities
Sullair
Syntech Products, Inc.
The Greater LaPorte Chamber of Commerce
The Hammond Transit System
The Levy Company
The Loma Companies, Inc.
The Methodist Hospitals, Inc.
The Pangere Corporation
Town of Chesterton
Town of Dyer
Town of Merrillville
Town of Trail Creek
Tradewinds Rehabilitation Center
Trail Creek Town Council
Tranco Industrial Services, Inc.
Transite Heating and Air Conditioning
Tube City, Inc.
U.S. Liquids
U.S. Postal Service
U.S. Steel, Gary Works
U.S.D.A.
Urschel Laboratories, Inc.
Valparaiso Public Library
Valparaiso University
WLOI-WCOE
Waste Management of NWIN
Whiteco Industries
Wolf Lake Terminals