12Suppliers
30Customers
1Debt Items
20Related Chains

Source-Backed Evidence Depth

Ducommun Incorporated (DCO) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

58Total relationships
5Distinct source URLs
8High confidence
0.721Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

Ducommun Incorporated Suppliers

TickerNameConfidenceEvidence
BA The Boeing Company 72% in part, on the level of new military and commercial aircraft orders. As a result, we have significant sales to certain customers. Sales to The Boeing Company (“Boeing”), which now includes Spirit Ae…
BA The Boeing Company 72% Reciprocal relationship from BA graph: Reciprocal relationship from DCO graph: in part, on the level of new military and commercial aircraft orders. As a result, we have significant sales to certain …
BA-PA BA-PA 72% Reciprocal relationship from BA-PA graph: Reciprocal relationship from DCO graph: in part, on the level of new military and commercial aircraft orders. As a result, we have significant sales to certa…
BA-PA BA-PA 72% in part, on the level of new military and commercial aircraft orders. As a result, we have significant sales to certain customers. Sales to The Boeing Company (“Boeing”), which now includes Spirit Ae…
EADSF Airbus SE 72% ocesses. More recently, Boeing announced the FAA has cleared Boeing’s plan to raise 737 MAX production from 38 airplanes to 42 airplanes per month. Revenue growth with our other commercial customers,…
EADSF Airbus SE 72% Reciprocal relationship from EADSF graph: Reciprocal relationship from DCO graph: Reciprocal relationship from EADSF graph: Reciprocal relationship from DCO graph: ocesses. More recently, Boeing anno…
LMT Lockheed Martin Corporation 72% riginal equipment manufacturers (“OEMs”), pursuant to their prime contracts with the U. S. Government. We had significant sales in 2025 to Lockheed Martin Corporation (“Lockheed”), Northrop Grumman C…
LMT Lockheed Martin Corporation 72% Reciprocal relationship from LMT graph: Reciprocal relationship from DCO graph: riginal equipment manufacturers (“OEMs”), pursuant to their prime contracts with the U. S. Government. We had significa…
NOC Northrop Grumman Corporation 72% orporation (“Lockheed”), Northrop Grumman Corporation (“Northrop”), RTX Corporation (“RTX”), and TransDigm Group Inc. (“TransDigm”), which completed its acquisition of the Simmonds Precision Products…
NOC Northrop Grumman Corporation 72% Reciprocal relationship from NOC graph: Reciprocal relationship from DCO graph: orporation (“Lockheed”), Northrop Grumman Corporation (“Northrop”), RTX Corporation (“RTX”), and TransDigm Group Inc. (…
RTX RTX Corporation 72% from RTX Corporation based on TransDigm’s announcement on October 6, 2025, in our defense technologies end-use market. Our customers may experience delays in the launch and certification of new produ…
RTX RTX Corporation 72% Reciprocal relationship from RTX graph: Reciprocal relationship from DCO graph: from RTX Corporation based on TransDigm’s announcement on October 6, 2025, in our defense technologies end-use market. …

Ducommun Incorporated Customers

TickerNameConfidenceEvidence
RAYTHEON-TECHNOLOGIES-CORPORATION RAYTHEON-TECHNOLOGIES-CORPORATION 95% tion (“Northrop”), and RTX Corporation (f/k/a Raytheon Technologies Corporation) (“RTX”) in 2024 in our defense technologies end-use market. Our customers may experience delays in the launch and cert…
USGOV-DEPARTMENT-OF-DEFENSE USGOV-DEPARTMENT-OF-DEFENSE 95% USAspending awards from Department of Defense: $1,507,910 across 3 awards. FA853825F0058 REPAIR OF THE C-5 AUTOMATIC FLIGHT CONTROL SYSTEM; FA853823F0064 REPAIR OF THE C REPAIR OF THE C--5 AUTOMATIC …
NOC Northrop Grumman Corporation 92% Reciprocal relationship from NOC graph: Reciprocal relationship from DCO graph: Northrop Grumman Corporation 4.9 % 5.2 %
NORTHROP-GRUMMAN-CORPORATION NORTHROP-GRUMMAN-CORPORATION 92% Northrop Grumman Corporation 4.9 % 5.2 %
SPIRIT-AEROSYSTEMS-HOLDINGS-INC SPIRIT-AEROSYSTEMS-HOLDINGS-INC 92% Net Revenues by Major Customers A significant portion of our net revenues are from our top ten customers as follows: Years Ended December 31, 2024 2023 Spirit AeroSystems Holdings, Inc. 5.7 % 6.4 %
BLR-AEROSPACE-LLC BLR-AEROSPACE-LLC 85% tepped up as part of our purchase price allocation from our acquisition of BLR Aerospace, LLC (“BLR”) in April 2023 and is a part of our Structural Systems operating segment. (5) 2022 included invent…
AIN Albany International Corp. 72% iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (1) Includes AAR Corp, AeroVironment, Inc., Albany International Corp., Astronics…
AIN Albany International Corp. 72% Reciprocal relationship from AIN graph: Reciprocal relationship from DCO graph: Reciprocal relationship from AIN graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any d…
BA The Boeing Company 72% ,739 64.4 % 68.3 % Total $ 6,860 $ 362,048 $ 355,188 100.0 % 100.0 % 28 Table of Contents Net revenues for 2025 were $824.7 million compared to $786.6 million for 2024. The year-over-year increase wa…
BA The Boeing Company 72% Reciprocal relationship from BA graph: Reciprocal relationship from DCO graph: Reciprocal relationship from BA graph: Reciprocal relationship from DCO graph: Reciprocal relationship from BA graph: Re…
BA-PA BA-PA 72% ,739 64.4 % 68.3 % Total $ 6,860 $ 362,048 $ 355,188 100.0 % 100.0 % 28 Table of Contents Net revenues for 2025 were $824.7 million compared to $786.6 million for 2024. The year-over-year increase wa…
BA-PA BA-PA 72% Reciprocal relationship from BA-PA graph: Reciprocal relationship from DCO graph: ,739 64.4 % 68.3 % Total $ 6,860 $ 362,048 $ 355,188 100.0 % 100.0 % 28 Table of Contents Net revenues for 2025 were …
EADSF Airbus SE 72% anes. Based on these trends, both single-aisle and wide-body demand remain above current industry supply levels. Overall, Boeing is experiencing strong demand from their airplane customers globally. …
EADSF Airbus SE 72% Reciprocal relationship from EADSF graph: Reciprocal relationship from DCO graph: anes. Based on these trends, both single-aisle and wide-body demand remain above current industry supply levels. Over…
ESE ESCO Technologies Inc. 72% Reciprocal relationship from ESE graph: Reciprocal relationship from DCO graph: Reciprocal relationship from ESE graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any d…
ESE ESCO Technologies Inc. 72% iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (1) Includes AAR Corp, AeroVironment, Inc., Albany International Corp., Astronics…
KTOS Kratos Defense & Security Solutions, Inc. 72% iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (1) Includes AAR Corp, AeroVironment, Inc., Albany International Corp., Astronics…
KTOS Kratos Defense & Security Solutions, Inc. 72% Reciprocal relationship from KTOS graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: …
LMT Lockheed Martin Corporation 72% ,739 64.4 % 68.3 % Total $ 6,860 $ 362,048 $ 355,188 100.0 % 100.0 % 28 Table of Contents Net revenues for 2025 were $824.7 million compared to $786.6 million for 2024. The year-over-year increase wa…
LMT Lockheed Martin Corporation 72% Reciprocal relationship from LMT graph: Reciprocal relationship from DCO graph: Reciprocal relationship from LMT graph: Reciprocal relationship from DCO graph: Reciprocal relationship from LMT graph:…
MRCY Mercury Systems, Inc. 72% iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (1) Includes AAR Corp, AeroVironment, Inc., Albany International Corp., Astronics…
MRCY Mercury Systems, Inc. 72% Reciprocal relationship from MRCY graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: …
NOC Northrop Grumman Corporation 72% ,739 64.4 % 68.3 % Total $ 6,860 $ 362,048 $ 355,188 100.0 % 100.0 % 28 Table of Contents Net revenues for 2025 were $824.7 million compared to $786.6 million for 2024. The year-over-year increase wa…
RBC RBC Bearings Incorporated 72% Reciprocal relationship from RBC graph: Reciprocal relationship from DCO graph: Reciprocal relationship from RBC graph: Reciprocal relationship from DCO graph: Reciprocal relationship from RBC graph:…
RBC RBC Bearings Incorporated 72% iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (1) Includes AAR Corp, AeroVironment, Inc., Albany International Corp., Astronics…
RTX RTX Corporation 72% ,739 64.4 % 68.3 % Total $ 6,860 $ 362,048 $ 355,188 100.0 % 100.0 % 28 Table of Contents Net revenues for 2025 were $824.7 million compared to $786.6 million for 2024. The year-over-year increase wa…
RTX RTX Corporation 72% Reciprocal relationship from RTX graph: Reciprocal relationship from DCO graph: Reciprocal relationship from RTX graph: Reciprocal relationship from DCO graph: ,739 64.4 % 68.3 % Total $ 6,860 $ 362,…
SXI Standex International Corporation 72% Reciprocal relationship from SXI graph: Reciprocal relationship from DCO graph: Reciprocal relationship from SXI graph: Reciprocal relationship from DCO graph: Reciprocal relationship from SXI graph:…
SXI Standex International Corporation 72% iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (1) Includes AAR Corp, AeroVironment, Inc., Albany International Corp., Astronics…
BUSINESS-GENERAL-DUCOMMUN-INCORPORATED BUSINESS-GENERAL-DUCOMMUN-INCORPORATED 62% quality and delivery expectations of our customers; • cybersecurity attacks; • assertions by third parties of violations of intellectual property rights; and • damage or destruction of our facilities…

Ducommun Incorporated Debt Obligations

InstrumentDescriptionConfidenceEvidence
DCO-DEBT Debt stack $274.4M 90% Market cache reports total debt of $274.4M.

Ducommun Incorporated Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Ducommun Incorporated.

Ducommun Incorporated Ownership

HolderNameConfidenceEvidence
DCO-OWNER-BLACKROCK-INC BlackRock, Inc. 90% 13F overlay lists BlackRock, Inc. as top holder; 225 tracked holders.

Ducommun Incorporated Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
TPICQ TPI Composites, Inc. 100.00 2
HXL Hexcel Corporation 100.00 2
AA Alcoa Corporation 100.00 2
FEIM Frequency Electronics, Inc. 100.00 2
OTIS Otis Worldwide Corporation 100.00 2
GE GE Aerospace 100.00 2
SXI Standex International Corporation 100.00 1 ['customer']
AER AerCap Holdings N.V. 100.00 2
BA The Boeing Company 100.00 1 ['customer', 'supplier']
FJET Starfighters Space, Inc. 100.00 2
ESE ESCO Technologies Inc. 100.00 1 ['customer']
BA-PA BOEING CO 100.00 1 ['customer', 'supplier']
RYAOF Ryanair Holdings plc 100.00 2
DXC DXC Technology Company 100.00 2
AIN Albany International Corp. 100.00 1 ['customer']
FLY Firefly Aerospace Inc. 100.00 2
SYPR Sypris Solutions, Inc. 100.00 2
CRS Carpenter Technology Corporation 100.00 2 ['customer']
CVU CPI Aerostructures, Inc. 100.00 2
IPX IperionX Limited 100.00 2
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DCO
Unlock DCO Supply Chain Data
Verified relationships include:
BAThe Boeing CompanySupplier72%
BAThe Boeing CompanySupplier72%
RAYTHEON-TECHNOLOGIES-CORPORATIONRAYTHEON-TECHNOLOGIES-COR…Customer95%
USGOV-DEPARTMENT-OF-DEFENSEUSGOV-DEPARTMENT-OF-DEFENSECustomer95%
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