EX-21.1 2 ctam-ex211x123118.htm EXHIBIT 21.1 Exhibit

Exhibit 21.1


Subsidiary
 
Jurisdiction of Incorporation
 
Ownership
A.M. Castle & Co. (Canada) Inc.
 
British Columbia
 
100%
 
 
 
 
 
A.M. Castle & Co. (Singapore) Pte. Ltd.
 
Singapore
 
100%
 
 
 
 
 
A.M. Castle Metal Materials (Shanghai) Co., Ltd.
 
Peoples Republic of China
 
100%
 
 
 
 
 
A.M. Castle Metals UK, Limited
 
United Kingdom
 
100%
 
 
 
 
 
Castle Metals de Mexicali, S.A. de C.V.
 
Mexico
 
99%
 
 
 
 
 
Castle Metals de Mexico, S.A. de C.V.
 
Mexico
 
99%
 
 
 
 
 
Castle Metals France*
 
France
 
100%
 
 
 
 
 
Castle Metals UK Limited*
 
United Kingdom
 
100%
 
 
 
 
 
E.Harding & Sons Limited*
 
United Kingdom
 
100%
 
 
 
 
 
HY-Alloy Steels Company
 
Delaware
 
100%
 
 
 
 
 
Keystone Service Inc.
 
Indiana
 
100%
 
 
 
 
 
Keystone Tube Company, LLC
 
Delaware
 
100%
 
 
 
 
 
K.K.S. (Stainless Steel) Co. Limited*
 
United Kingdom
 
100%
 
 
 
 
 
LOKS Plasma Services Limited*
 
United Kingdom
 
100%
 
 
 
 
 
Tiernay Metals Limited*
 
United Kingdom
 
100%
 
 
 
 
 
Total Plastics, Inc.
 
Michigan
 
100%