Exhibit 21.1
ATKORE INC.
Significant Subsidiaries
As of September 30, 2023
Entity Name | Jurisdiction of Incorporation | |||||||
AFC Cable Systems, Inc. | Delaware | |||||||
Allied Luxembourg S.a.r.l. | Luxembourg | |||||||
Allied Products UK Limited | United Kingdom | |||||||
Allied Tube & Conduit Corporation | Delaware | |||||||
Allied Switzerland GmbH | Switzerland | |||||||
Atkore Construction Technologies NZ Limited | New Zealand | |||||||
Atkore Foreign Holdings, Inc. | Delaware | |||||||
Atkore HDPE, LLC | Delaware | |||||||
Atkore Holdings IX (Denmark) ApS | Denmark | |||||||
Atkore International, Inc. | Delaware | |||||||
Atkore Management, LLC | Delaware | |||||||
Atkore Metal Products (Changshu Co., Ltd.) | China | |||||||
Atkore Metal Products Pte Limited | Singapore | |||||||
Atkore Plastic Pipe Corporation | Delaware | |||||||
Atkore Plastics Southeast, LLC | Delaware | |||||||
Atkore Southwest, LLC | Delaware | |||||||
Calpipe Industries, LLC | California | |||||||
Columbia-MBF Inc. | Canada | |||||||
FlexHead Industries, Inc. | Massachusetts | |||||||
Flexicon Australia Pty Limited | Australia | |||||||
Flexicon Limited | United Kingdom | |||||||
Flytex Systems Limited | United Kingdom | |||||||
FRE Composites, Inc. | Canada | |||||||
Kalanda Enterprises Pty Limited | Australia | |||||||
Marco Cable Management Limited | United Kingdom | |||||||
Modern Associates Limited | United Kingdom | |||||||
Northwest Polymers, LLC | Oregon | |||||||
Sasco Tubes & Roll Forming Inc. | Canada | |||||||
Standard Industries Co. Limited | Hong Kong | |||||||
Swan Metal Skirting Pty Limited | Australia | |||||||
Tekflex Limited | United Kingdom - Dormant | |||||||
TKN, Inc. | Rhode Island | |||||||
Unistrut (New Zealand) Holdings Pty Limited | Australia | |||||||
Unistrut Australia Pty Limited | Australia | |||||||
Unistrut Cable Management and Protection Systems | Israel | |||||||
Unistrut International Corporation | Nevada | |||||||
Unistrut Limited | United Kingdom | |||||||
United Poly Systems Holdings, Inc. | Delaware | |||||||
United Poly Systems, LLC | Missouri | |||||||
Vergo Coating BVBA | Belgium | |||||||
Vergo Galva NV | Belgium | |||||||
Vergokan International NV | Belgium | |||||||
Vergokan NV | Belgium | |||||||
Vergokan OOO | Russia | |||||||
Vergokan SAS | France | |||||||
Western Poly Pipe & Conduit, LLC | Oregon |