Who are Ducommun Incorporated's main suppliers?

Ducommun Incorporated (DCO) key suppliers include: The Boeing Company, The Boeing Company, BA-PA, BA-PA, Airbus SE and 7 more. View the full supplier network at chainsifter.com/chain/DCO.

Who are Ducommun Incorporated's major customers?

Ducommun Incorporated (DCO) key customers include: RAYTHEON-TECHNOLOGIES-CORPORATION, USGOV-DEPARTMENT-OF-DEFENSE, Northrop Grumman Corporation, NORTHROP-GRUMMAN-CORPORATION, SPIRIT-AEROSYSTEMS-HOLDINGS-INC and 25 more. View the full customer network at chainsifter.com/chain/DCO.

What sector is Ducommun Incorporated in?

Ducommun Incorporated (DCO) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

Ducommun Incorporated Suppliers, Customers & Supply Chain (DCO)

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.

56Total relationships

5Distinct source URLs

8High confidence

0.724Average confidence

2026-10-28Latest 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

Ticker	Name	Confidence	Evidence
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	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-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…
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…
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…
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,…
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%	Reciprocal relationship from NOC graph: Reciprocal relationship from DCO graph: orporation (“Lockheed”), Northrop Grumman Corporation (“Northrop”), RTX Corporation (“RTX”), and TransDigm Group Inc. (…
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…
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

Ticker	Name	Confidence	Evidence
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: 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: Reciprocal relationship from AIN graph:…
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	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-PA	BA-PA	72%	Reciprocal relationship from BA-PA graph: Reciprocal relationship from DCO graph: Reciprocal relationship from BA-PA graph: Reciprocal relationship from DCO graph: Reciprocal relationship from BA-PA …
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…
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: Reciprocal relationship from EADSF graph: Reciprocal relationship from DCO graph: anes. Based on these trends, both s…
ESE	ESCO Technologies Inc.	72%	Reciprocal relationship from ESE graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (…
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%	Reciprocal relationship from KTOS graph: Reciprocal relationship from DCO graph: Reciprocal relationship from KTOS graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any…
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…
LMT	Lockheed Martin Corporation	72%	Reciprocal relationship from LMT 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 $8…
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…
MRCY	Mercury Systems, Inc.	72%	Reciprocal relationship from MRCY graph: Reciprocal relationship from DCO graph: Reciprocal relationship from MRCY graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any…
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…
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%	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…
RBC	RBC Bearings Incorporated	72%	Reciprocal relationship from RBC graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (…
RTX	RTX Corporation	72%	Reciprocal relationship from RTX graph: Reciprocal relationship from DCO graph: Reciprocal relationship from RTX graph: Reciprocal relationship from DCO graph: Reciprocal relationship from RTX graph:…
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…
SXI	Standex International Corporation	72%	Reciprocal relationship from SXI graph: Reciprocal relationship from DCO graph: iod, assuming the reinvestment of any dividends. The graph is not necessarily indicative of future price performance: (…
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

Instrument	Description	Confidence	Evidence
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

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

Ducommun Incorporated Extended Supply Chain Network

Ticker	Name	Chain Index	Hops	Relationship Types
TPICQ	TPI Composites, Inc.	100.00	2
IPX	IperionX Limited	100.00	2
AA	Alcoa Corporation	100.00	2
FEIM	Frequency Electronics, Inc.	100.00	2
GE	GE Aerospace	100.00	2
EADSF	Airbus SE	100.00	1	['customer', 'supplier']
FLY	Firefly Aerospace Inc.	100.00	2
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']
HXL	Hexcel Corporation	100.00	2
RYAOF	Ryanair Holdings plc	100.00	2
DXC	DXC Technology Company	100.00	2
AIN	Albany International Corp.	100.00	1	['customer']
OTIS	Otis Worldwide Corporation	100.00	2
CRS	Carpenter Technology Corporation	100.00	2	['customer']
CVU	CPI Aerostructures, Inc.	100.00	2
FLYYQ	Spirit Aviation Holdings, Inc.	100.00	2

Ducommun Incorporated Supply Chain