Materials

Casco Filters

CBP Engineering Corp.

CBT Wear Parts Inc.

Celite Corporation

CerCo I, Inc.

CGM, Inc.

Chemco Manufacturing Company, Inc.

Chemenergy

Climate by Design International

Coating Place, Inc.

Compass Wire Cloth

Conforma Clad Inc.

Construction Forms Inc.

Coors Tek

Corhart Refractories

CuVerro

Devcon

Dow Corning Corp.

Duct Inc.

Fab-Tex Filtration

Fenner Drives

Fibergrate Composite Structures Inc.

FilterPro

Finishing Systems

General Magnaplate Corp.

GKD-USA Inc.

Goodway Technologies Corp.

Greene, Tweed Technologies, Inc.

Hankison

Hendee Enterprises Inc.

Herding Filtration LLC

Hexion Inc.

Hose Master

Hy-Safe Technology

IGS Industries Inc.

IMERYS

InduMar Products Inc.

Insect-O-Cutor

International Plastics Inc.

Intertape Polymer Group

ITW Devcon Engineered Coatings

Jacob Tubing LP

John King USA Inc.

Kalenborn Abresist Corp.

Kathabar Dehumidification Systems, Inc.

Lawrence Industries, Inc.

Lectrodryer

Linatex Corp. of America

LubeCon Systems, Inc.

LUDECA Inc.

Maljohn Company Ltd.

Midwest Industrial Supply Inc.

Minuteman International, Inc.

Momentive Performance Materials Inc.

Morehouse-COWLES

MPI (Magnetic Products Inc.)

Multisac

NACE International

Nebraska Air Filter, Inc.

Noren Products

NOVEX Inc.

Paradigm Engineering and Consulting

Pawling Engineered Products

Pepperl+Fuchs Inc.

Pfaudler Inc.

PICA USA

Plasma Coatings, Inc.

Postle Industries, Inc.

Powder-Solutions Inc.

Rapid Prep

Red Valve Company, Inc.

Richwood Industries, Inc.

Ross Cook Brand

Salem-Republic Rubber Co.

Sentinel Process Systems, Inc.

Shamrock Technologies Inc.

Siftex Equipment Co.

Sioux Corp.

Sphinx Adsorbents, Inc.

Spice Corporation

Surco Products

Swagelok Company

Tandem Products Inc.

Tapco Inc.

The Dow Chemical Co.

The Wolfson Centre for Bulk Solids Handling Tech.

Thermal Ceramics

TransBulk Systems, Inc.

Ultra Poly, Inc.

Van Air Systems

Vector Technologies Ltd.

Vibra Screw Inc.

W. A. Hammond Drietrite Company, Ltd.

Wago Corp.

Yokota Manufacturing Co., Ltd.