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10-K/A primary document
DCO · Amended Annual Report (Form 10-K/A) · Filed May 8, 2026

Ducommun Inc10-K/A exhibit

dco10-k_a2025xex21.htm
Document

EXHIBIT 21
SUBSIDIARIES OF THE REGISTRANT
Following is a list of the subsidiaries of the Company(1):
Name of SubsidiaryJurisdiction of Incorporation
BLR Aerospace, L.L.C.
Washington
Certified Thermoplastics Co., LLC
Delaware
CMP Display Systems, Inc.(2)
California
Composite Structures, LLCDelaware
Ducommun AeroStructures, Inc.Delaware
Ducommun AeroStructures Mexico, LLCDelaware
Ducommun AeroStructures New York, Inc.New York
Ducommun (England) LTDEngland
Ducommun LaBarge Technologies, Inc.Arizona
Ducommun LaBarge Technologies, Inc.Delaware
Ducommun Technologies (Thailand) Co., Ltd.Thailand
LaBarge Acquisition Company, Inc.Missouri
LaBarge/STC, Inc.(2)
Texas
Lightning Diversion Systems, LLCDelaware
LS Holdings Company, LLCDelaware
Magnetic Seal LLCDelaware
Nobles Holdings Inc.Delaware
Nobles Parent Inc.Delaware
Nobles Worldwide, Inc.Minnesota
(1) As of December 31, 2025.
(2) Inactive.


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