All Mineral Processing (SC) in United States

Momentive Performance Materials Inc.

Hein, Lehmann US LLC

Joest Inc. US

Carbon Activated Corporation

Rotex Global, LLC

Parkson Corporation

TerraSource Global

STT Enviro Corp. – US Head Office

Eriez

Corrosion Engineering Inc.

Field Lining Systems, Inc.

Kason Corporation

TRINTERNATIONAL, INC.

Schenck Process FPM

Kemira

Westech Engineering Inc

Cristal

Stebbins Engineering and Manufacturing Company