Plumbers & Pipe Fitters Local 422

Joliet, IL

Lechler Inc.

St. Charles, IL

Akzo Nobel

Morris, IL

Alabama Metal Industries Corp.
Bourbonnais, IL

Cadbury Adams

Rockford, IL

Diagnostic Chemicals Ltd.
Charlottetown, PEI Canada

McCain Foods
Appleton, WI; Burley, ID; Plover, WI; Othello, WA

Nabisco Biscuit Company
Chicago, IL

Nestle USA
Waverly, IA

Roquette America
Keokuk, IA; Gurnee, IL

Tyson Foods, Inc.
Dakota Dunes, SD; Lexington, NE; Amarillo, TX; Council Bluffs, IA

Biosource America Inc.
Butte, MT

CSL Behring
Kankakee, IL

Ecolab Inc.
Joliet, IL

ExxonMobil Company
Channahon, IL

K.A. Steel Chemicals Inc.
Lemont, IL

McIntyre Group Ltd.
University Park, IL

Nanophase Technologies
Romeoville, IL

Reichold Chemical
Morris, IL

Sara Lee Bakery
Chicago, IL; New Hampton, IA; Traverse City, MI; Tarboro, NC; Greenville, SC

Seeler Industries / 3 Rivers Terminal
Joliet, IL

Sun Chemical
Kankakee, IL

Westway Terminals Company Inc.
Riverdale, IL; Sioux City, IA