Ametek, Inc.

International Paper Co.

Microfoam Division

Shreveport, LA

Wurtland, KY

McKinney, TX

Fresno, CA

Kohler Coating

AMP Incorporated

Uniontown, OH

Harrisburg, PA

Norristown, PA

L'Garde Inc.

Tustin, CA

Argonne National Laboratory

Argonne, IL

Loparex LLC

Willowbrook, IL

Atochem North America

Eden, NC; Iowa City, IA

Valley Forge, PA

Cullman, AL

Guangzhou, China; Silvassa, India

Avery-Dennison Inc.

Specialty Tape Division

Manville Forest Products Corporation

Painesville, OH

West Monroe, LA

Baxter Healthcare Corporation

Megtec Systems

Pharmaseal Division

DePere, WI

Mundelein, IL

El Paso, TX

Moore Wallace Inc.

Valencia, CA

Research Center, Grand Island, NY

Monroe, WI

Bell Laboratories, Inc.

Madison, WI

Owens-Corning Fiberglas Corp.

Huntingdon, PA

Corona Designs

Garland, TX

PPG Industries, Inc.

Barberton, OH

The Crowell Corporation

Newport, DE

Raven Industries

Sulphur Springs, TX

Crown Packaging

British Columbia, Canada

Simpson Timber Company

Portland, OR

Donaldson Company

Minneapolis, MN

Teltech/Guideline Expert Network

Minneapolis, MN

Engelhard Corporation

Hiram, OH

Valeron Strength Films, Inc.

Huntsville, AL

Houston, TX

Fox River Paper Company

Versatec

Rising Paper Division

Santa Clara, CA

Housatonic, MA

W. R. Grace & Co. - Conn.

Graber Industries, Inc.

Research Division, Columbia, MD

Middleton, WI

Grace Emission Control Products, Hiram, OH

GSE Lining Technology, Inc.

Webex, Inc.

Houston, TX

Neenah, WI

Hoechst Celanese Corporation

Xerox Corporation

Charlotte, NC

Oklahoma City, OK