Boardroom Alpha
10-K primary document
AZZ · Annual Report (Form 10-K) · Filed April 22, 2026

Azz Inc10-K exhibit

azzsubsidiarylistupdatedas.htm
Document

Exhibit 21.1

Subsidiaries*

Name of Subsidiary
Jurisdiction of Formation
101132119 Saskatchewan Ltd.
Canada
AAA Galvanizing – Chelsea, LLC
Delaware
AAA Galvanizing – Dixon, Inc.
Delaware
AAA Galvanizing – Hamilton, LLC
Delaware
AAA Galvanizing – Joliet, Inc.
Delaware
AAA Galvanizing – Peoria, Inc.
Delaware
AAA Galvanizing – Winsted, Inc.
Delaware
Arbor-Crowley, LLC
Delaware
Arizona Galvanizing, Inc.
Arizona
ArkGalv, LLC
Arkansas
Atkinson Holding Company LLC
Delaware
Atlantic Research, LLC
Delaware
Automatic Processing Incorporated
Mississippi
Aztec Industries, Inc.
Mississippi
Aztec Manufacturing – Waskom LLC
Texas
Aztec Manufacturing LLC
Texas
AZZ Acquisition Sub, LLC
Delaware
AZZ Canada Limited
Canada
AZZ Financial, LLC
Delaware
AZZ Galvanizing - Bristol LLC
Delaware
AZZ Galvanizing – Canton East LLC
Delaware
AZZ Galvanizing – Chattanooga LLC
Tennessee
AZZ Galvanizing – Kennedale, LLC
Delaware
AZZ Galvanizing – Louisiana LLC
Delaware
AZZ Galvanizing – Nashville
Delaware
AZZ Galvanizing – Nebraska, LLC
Delaware
AZZ Galvanizing – Reno, LLC
Delaware
AZZ Galvanizing – Rockford LLC
Delaware
AZZ Galvanizing – San Antonio, LLC
Delaware
AZZ Galvanizing – South Carolina LLC
Delaware
AZZ Galvanizing and Plating – Milwaukee LLC
Delaware
AZZ Galvanizing Calgary Ltd.
Canada
AZZ Galvanizing Canada Limited
Canada
AZZ Galvanizing Co. Ltd.
Canada
AZZ Galvanizing Edmonton Ltd.
Canada
AZZ Galvanizing Saskatoon Ltd.
Canada
AZZ Group LLC
Delaware
AZZ Holdings LLC
Delaware
AZZ SPE LLC
Delaware
AZZ SPE-1 LLC
Delaware



AZZ Surface Technologies LLC
Delaware
AZZ Surface Technologies – Crowley LLC
Delaware
AZZ Surface Technologies – Gainesville LLC
Delaware
AZZ Surface Technologies – Rowlett LLC
Delaware
AZZ Surface Technologies – Tampa LLC
Tampa
AZZ Surface Technologies – Terrell LLC
Delaware
Casco Investors LLC
Delaware
Gulf Coast Galvanizing, LLC
Alabama
International Galvanizers LLC
Texas
Midwest Metal Coatings, LLC
Delaware
NAGALV-Ohio, Inc.
Delaware
NAGALV-WV, Inc.
Delaware
North American Galvanizing & Coatings, Inc.
Delaware
North American Galvanizing Company, LLC
Delaware
OCU LLC
Delaware
Precoat Can Machinery, Inc.
Ohio
Precoat Elk Ridge Holdings Corporation
Delaware
Precoat Holdings I LLC
Delaware
Precoat Holdings II LLC
Delaware
Precoat LLC
Delaware
Precoat Metal Coatings LLC
Delaware
Precoat Metal Acquisition, LLC
Delaware
Precoat Metals Corp.
Indiana
Precoat Metals Holdings, LLC
Delaware
Precoat Metals Washington LLC
Delaware
Precoat Mezzanine LLC
Delaware
Rogers Galvanizing Company – Kansas City
Oklahoma
Sabine Towing & Transportation, LLC
Delaware
Witt Galvanizing – Cincinnati, LLC
Delaware
Witt Galvanizing – Muncie, LLC
Delaware
Witt Galvanizing – Plymouth, LLC
Delaware
Zalk Steel & Supply Co.
Delaware


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