North America

Koch Enterprises, Inc.
Evansville, Indiana

Koch Air, LLC
Evansville, Indiana
Ft. Wayne, Indiana
Indianapolis, Indiana
Jefferson, Kentucky
Lexington, Kentucky
Mt. Vernon, Illinois
Paducah, Kentucky
St. Louis, Missouri

Gibbs Die Casting Corp. 
Henderson, Kentucky

George Koch Sons, LLC
Evansville, Indiana
Grand Rapids, MI
Rochester Hills, MI

George Koch Sons de Mexico S. de R.L. de C.V.
Queretaro, Mexico

Audubon Metals, LLC
Henderson, Kentucky

South Western Communications, Inc.
Decatur, Alabama
Evansville, Indiana
Indianapolis, Indiana
Nashville, Tennessee
Suwanee, Georgia

Brake Supply, Inc.
Beckley, West Virginia
Casper, Wyoming
Elko, Nevada
Evansville, Indiana
Ft. Worth, Texas
Paducah, Kentucky
Princeton, West Virginia

Europe / Middle East / Africa

Gibbs-Hungary Die Casting Kft.
Rétság, Hungary

George Koch Sons Europe Ltd.
Lichfield, England