EX-21.1 4 a4q23exhibit211.htm EX-21.1 Document
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 CorporationDelaware
Allied Switzerland GmbHSwitzerland
Atkore Construction Technologies NZ Limited New Zealand
Atkore Foreign Holdings, Inc. Delaware
Atkore HDPE, LLC Delaware
Atkore Holdings IX (Denmark) ApSDenmark
Atkore International, Inc. Delaware
Atkore Management, LLC Delaware
Atkore Metal Products (Changshu Co., Ltd.)China
Atkore Metal Products Pte LimitedSingapore
Atkore Plastic Pipe CorporationDelaware
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 LimitedUnited Kingdom
FRE Composites, Inc. Canada
Kalanda Enterprises Pty Limited Australia
Marco Cable Management LimitedUnited Kingdom
Modern Associates LimitedUnited 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 LimitedAustralia
Unistrut Cable Management and Protection SystemsIsrael
Unistrut International Corporation Nevada
Unistrut Limited United Kingdom
United Poly Systems Holdings, Inc. Delaware
United Poly Systems, LLC Missouri
Vergo Coating BVBABelgium
Vergo Galva NVBelgium
Vergokan International NVBelgium
Vergokan NVBelgium
Vergokan OOORussia
Vergokan SASFrance
Western Poly Pipe & Conduit, LLC Oregon