1Suppliers
5Customers
1Debt Items
0Related Chains

Source-Backed Evidence Depth

Koss Corporation (KOSS) 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.

8Total relationships
2Distinct source URLs
7High confidence
0.849Average 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.

Koss Corporation Suppliers

TickerNameConfidenceEvidence
KOSS-HOLDINGS-LLC KOSS-HOLDINGS-LLC 92% The Company leases its facility in Milwaukee, Wisconsin from Koss Holdings, LLC, which is controlled by five equal ownership interests in trusts held by the five beneficiaries of a former chairman’s …

Koss Corporation Customers

TickerNameConfidenceEvidence
AMAZON-VENDOR-CENTRAL AMAZON-VENDOR-CENTRAL 90% The three customers with individual accounts receivable balances greater than 10% as of June 30, 2024 were Ingram Micro, Amazon Vendor Central and The Computer Supply People.
INGRAM-MICRO INGRAM-MICRO 90% The three customers with individual accounts receivable balances greater than 10% as of June 30, 2024 were Ingram Micro, Amazon Vendor Central and The Computer Supply People.
KOSS-HOLDINGS-LLC KOSS-HOLDINGS-LLC 85% y Agreement dated May 14, 2019 under which the Company granted the Lender a security interest in substantially all of the Company’s assets in connection with the Company’s obligations under the Credi…
DTC-THROUGH-THE-AMAZON-PORTAL DTC-THROUGH-THE-AMAZON-PORTAL 80% In the years ended June 30, 2024 and 2023, the Company’s largest concentration of sales came from DTC through the Amazon portal and were approximately 17 % and 20 % of net sales in fiscal year 2024 a…
PEAG-LLC PEAG-LLC 62% ity in Milwaukee, Wisconsin from Koss Holdings, LLC, which is controlled by five equal ownership interests in trusts held by the five beneficiaries of a former chairman’s revocable trust and includes…

Koss Corporation Debt Obligations

InstrumentDescriptionConfidenceEvidence
KOSS-DEBT Debt stack $506,700 90% Market cache reports total debt of $506,700.

Koss Corporation Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Koss Corporation.

Koss Corporation Ownership

HolderNameConfidenceEvidence
KOSS-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 24 tracked holders.

Koss Corporation Extended Supply Chain Network

No secondary connectionsNo correlated companies found through shared supply chain relationships.
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KOSS
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Verified relationships include:
KOSS-HOLDINGS-LLCKOSS-HOLDINGS-LLCSupplier92%
AMAZON-VENDOR-CENTRALAMAZON-VENDOR-CENTRALCustomer90%
INGRAM-MICROINGRAM-MICROCustomer90%
+4 more relationships locked
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