17Suppliers
30Customers
2Debt Items
20Related Chains

Source-Backed Evidence Depth

Berkshire Hathaway Inc. (BRK-B) 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.

62Total relationships
3Distinct source URLs
19High confidence
0.729Average 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.

Berkshire Hathaway Inc. Suppliers

TickerNameConfidenceEvidence
MERRILL-LYNCH-INTERNATIONAL MERRILL-LYNCH-INTERNATIONAL 92% The Notes were sold pursuant to an underwriting agreement entered into on April 10, 2026, by and among (a) Berkshire and (b) Mizuho Securities USA LLC and Merrill Lynch International.
MIZUHO-SECURITIES-USA-LLC MIZUHO-SECURITIES-USA-LLC 92% The Notes were sold pursuant to an underwriting agreement entered into on April 10, 2026, by and among (a) Berkshire and (b) Mizuho Securities USA LLC and Merrill Lynch International.
MCLANE MCLANE 90% McLane, which we view as a service business, is addressed separately since it is deemed a separate segment for financial reporting purposes.
AA Alcoa Corporation 72% Reciprocal relationship from AA graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from AA graph: city, quality, engaged employees, and long-standing customer relationships enab…
AIG American International Group, Inc. 72% Reciprocal relationship from AIG graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from AIG graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from AIG gr…
BRIA BrilliA Inc 72% Reciprocal relationship from BRIA graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from BRIA graph: Fair, Hanes, Wonderbra, Playtex, Bali, Maidenform, Jockey, Lands’ End, fleu…
CNA CNA Financial Corporation 72% Reciprocal relationship from CNA graph: ns) Corporate and other bonds Asset-backed Total Allowance for credit losses: Balance as of January 1, 2025 $ 13 $ 32 $ 45 Additions to the allowance for credi…
DJCO Daily Journal Corporation 72% Reciprocal relationship from DJCO graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from DJCO graph: alance of the investment decrease significantly. - 28 - The Company is not …
HIG The Hartford Insurance Group, Inc. 72% Reciprocal relationship from HIG graph: S The carrying value of goodwill allocated to reportable segments and the corporate category as of both December 31, 2024 and 2023 was as follows: Carrying Val…
JEF Jefferies Financial Group Inc. 72% Reciprocal relationship from JEF graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from JEF graph: n connection with term loans issued by Jefferies Finance. The fees are includ…
L Loews Corporation 72% Reciprocal relationship from L graph: curities available-for-sale Investment gains (losses) Fixed maturity securities trading Net investment income Equity securities Investment gains (losses) and Net…
LCII LCI Industries 72% Reciprocal relationship from LCII graph: sets (c) Depreciation and amortization 2024 Net sales to external customers (a) $ $ $ Cost of sales Gross profit Selling, general and administrative expenses …
NEU NewMarket Corporation 72% Reciprocal relationship from NEU graph: he four largest manufacturers and suppliers in the petroleum additives marketplace. In the lubricant additives submarket, our major competitors are The Lubrizo…
PRI Primerica, Inc. 72% Reciprocal relationship from PRI graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from PRI graph: n our investment portfolio. For detail of investment gains (losses) recognize…
RYAN Ryan Specialty Holdings, Inc. 72% Reciprocal relationship from RYAN graph: to grow. We continuously evaluate acquisitions, maintain a robust pipeline, and are currently in active dialogue with several potential new partners. We have …
SSP The E.W. Scripps Company 72% Reciprocal relationship from SSP graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from SSP graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from SSP gr…
THG The Hanover Insurance Group, Inc. 72% Reciprocal relationship from THG graph: de insurance coverages to individuals or other entities that are otherwise unable to purchase such coverage voluntarily or at rates deemed reasonable. These ma…

Berkshire Hathaway Inc. Customers

TickerNameConfidenceEvidence
POR Portland General Electric Company 95% Reciprocal relationship from POR graph: Reciprocal relationship from BRK-B graph: k to impose fines and penalties. We currently believe that liabilities that may arise as a result of such other pendi…
POR Portland General Electric Company 95% k to impose fines and penalties. We currently believe that liabilities that may arise as a result of such other pending legal actions will not have a material effect on our consolidated financial con…
MCLANE-MCLANE-COMPANY-INC MCLANE-MCLANE-COMPANY-INC 85% ces was primarily attributable to increased revenues, partially offset by higher flight crew and instructor costs and higher maintenance, fuel, subcontract and other variable costs. McLane McLane Com…
MLM Martin Marietta Materials, Inc. 85% Reciprocal relationship from MLM graph: Reciprocal relationship from BRK-B graph: ces was primarily attributable to increased revenues, partially offset by higher flight crew and instructor costs and…
BUSINESS-WIRE BUSINESS-WIRE 80% Our other service businesses franchise and service a network of quick service restaurants (Dairy Queen), lease transportation equipment (XTRA) and furniture (CORT), provide third party logistics serv…
CHARTER-BROKERAGE CHARTER-BROKERAGE 80% Our other service businesses franchise and service a network of quick service restaurants (Dairy Queen), lease transportation equipment (XTRA) and furniture (CORT), provide third party logistics serv…
CORT Corcept Therapeutics Incorporated 80% Our other service businesses franchise and service a network of quick service restaurants (Dairy Queen), lease transportation equipment (XTRA) and furniture (CORT), provide third party logistics serv…
CORT Corcept Therapeutics Incorporated 80% Reciprocal relationship from CORT graph: Reciprocal relationship from BRK-B graph: Our other service businesses franchise and service a network of quick service restaurants (Dairy Queen), lease trans…
DAIRY-QUEEN DAIRY-QUEEN 80% Our other service businesses franchise and service a network of quick service restaurants (Dairy Queen), lease transportation equipment (XTRA) and furniture (CORT), provide third party logistics serv…
FLIGHTSAFETY FLIGHTSAFETY 80% Our service group includes NetJets and FlightSafety (aviation services), which offer shared ownership programs for general aviation aircraft and high technology training products and services to oper…
NETJETS NETJETS 80% Our service group includes NetJets and FlightSafety (aviation services), which offer shared ownership programs for general aviation aircraft and high technology training products and services to oper…
WPLG WPLG 80% Our other service businesses franchise and service a network of quick service restaurants (Dairy Queen), lease transportation equipment (XTRA) and furniture (CORT), provide third party logistics serv…
XTRA XTRA 80% Our other service businesses franchise and service a network of quick service restaurants (Dairy Queen), lease transportation equipment (XTRA) and furniture (CORT), provide third party logistics serv…
AXP American Express Company 72% mon stock at an exercise price of $ 59.59 per share. The warrants are exercisable in whole or in part until one year after the date the preferred stock is fully redeemed. As of March 31, 2026 , we ow…
AXP American Express Company 72% Reciprocal relationship from AXP graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from AXP graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from AXP gr…
JEF Jefferies Financial Group Inc. 72% Reciprocal relationship from JEF graph: Reciprocal relationship from BRK-B graph: mon stock at an exercise price of $ 59.59 per share. The warrants are exercisable in whole or in part until one year …
JEF Jefferies Financial Group Inc. 72% mon stock at an exercise price of $ 59.59 per share. The warrants are exercisable in whole or in part until one year after the date the preferred stock is fully redeemed. As of March 31, 2026 , we ow…
MKL Markel Group Inc. 72% Reciprocal relationship from MKL graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from MKL graph: other actions by activist shareholders; • considerations and limitations rela…
NEU NewMarket Corporation 72% Reciprocal relationship from NEU graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from NEU graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from NEU gr…
OXY Occidental Petroleum Corporation 72% Reciprocal relationship from OXY graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from OXY graph: Reciprocal relationship from BRK-B graph: Reciprocal relationship from OXY gr…
OXY Occidental Petroleum Corporation 72% On January 2, 2026, Berkshire acquired a chemicals business (OxyChem) from Occidental Petroleum Corporation. OxyChem produces basic chemicals and its results are included in Berkshire’s consolidated …
SSP The E.W. Scripps Company 72% Reciprocal relationship from SSP graph: al information, disruption of operations, damage to our brands and reputation, legal exposure and financial losses. Security breaches, malware or other “cyber …
BERKADIA-COMMERCIAL-MORTGAGE-LLC BERKADIA-COMMERCIAL-MORTGAGE-LLC 62% mon stock at an exercise price of $ 59.59 per share. The warrants are exercisable in whole or in part until one year after the date the preferred stock is fully redeemed. As of March 31, 2026 , we ow…
BERKSHIRE-HATHAWAY-AUTOMOTIVE-INC BERKSHIRE-HATHAWAY-AUTOMOTIVE-INC 62% ces was primarily attributable to increased revenues, partially offset by higher flight crew and instructor costs and higher maintenance, fuel, subcontract and other variable costs. McLane McLane Com…
BERKSHIRE-HATHAWAY-ENERGY-COMPANY BERKSHIRE-HATHAWAY-ENERGY-COMPANY 62% ion as of March 31, 2026 and December 31, 2025 and $ 11.5 billion as of December 31, 2024 . 13 Notes to Consolidated Financial Statements Note 12. Goodwill and other intangible assets Other intangibl…
BERKSHIRE-HATHAWAY-FINANCE-CORPORATION BERKSHIRE-HATHAWAY-FINANCE-CORPORATION 62% ion as of March 31, 2026 and December 31, 2025 and $ 11.5 billion as of December 31, 2024 . 13 Notes to Consolidated Financial Statements Note 12. Goodwill and other intangible assets Other intangibl…
BERKSHIRE-HATHAWAY-PRIMARY-GROUP BERKSHIRE-HATHAWAY-PRIMARY-GROUP 62% erations in establishing premiums received at the inception of our retroactive reinsurance and periodic payment annuity contracts. While no new retroactive reinsurance or periodic payment annuity con…
BERKSHIRE-HATHAWAY-REINSURANCE-GROUP BERKSHIRE-HATHAWAY-REINSURANCE-GROUP 62% k to impose fines and penalties. We currently believe that liabilities that may arise as a result of such other pending legal actions will not have a material effect on our consolidated financial con…
BERKSHIRE-HATHAWAY-SPECIALTY-INSURANCE-GROUP BERKSHIRE-HATHAWAY-SPECIALTY-INSURANCE-GROUP 62% erations in establishing premiums received at the inception of our retroactive reinsurance and periodic payment annuity contracts. While no new retroactive reinsurance or periodic payment annuity con…
BHE Benchmark Electronics, Inc. 62% Reciprocal relationship from BHE graph: Reciprocal relationship from BRK-B graph: ion as of March 31, 2026 and December 31, 2025 and $ 11.5 billion as of December 31, 2024 . 13 Notes to Consolidated …

Berkshire Hathaway Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
BRK-B-DEBT Debt stack $128.9B 90% Market cache reports total debt of $128.9B.
BRK-B-DEBT-35505 Debt 90% debt detail from 424B5 2026-04-02.

Berkshire Hathaway Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for Berkshire Hathaway Inc..

Berkshire Hathaway Inc. Ownership

HolderNameConfidenceEvidence
BRK-B-OWNER-AUTO-OWNERS-INSURANCE-CO Auto-Owners Insurance Co 90% 13F overlay lists Auto-Owners Insurance Co as top holder; 1423 tracked holders.

Berkshire Hathaway Inc. Extended Supply Chain Network

TickerNameChain IndexHopsRelationship Types
MKL Markel Group Inc. 100.00 1 ['customer']
POR Portland General Electric Company 100.00 1 ['customer']
THG The Hanover Insurance Group, Inc. 100.00 1 ['supplier']
ORI Old Republic International Corporation 100.00 1 ['customer']
NEU NewMarket Corporation 100.00 1 ['customer', 'supplier']
LCII LCI Industries 100.00 1 ['supplier']
DJCO Daily Journal Corporation 100.00 1 ['supplier']
AA Alcoa Corporation 100.00 1 ['supplier']
L Loews Corporation 100.00 1 ['supplier']
SSP The E.W. Scripps Company 100.00 1 ['customer', 'supplier']
OXY Occidental Petroleum Corporation 100.00 1 ['customer']
MLM Martin Marietta Materials, Inc. 100.00 1 ['customer']
JEF Jefferies Financial Group Inc. 100.00 1 ['customer', 'supplier']
CORT Corcept Therapeutics Incorporated 100.00 1 ['customer']
BRIA BrilliA Inc 100.00 1 ['supplier']
BHE Benchmark Electronics, Inc. 100.00 1 ['customer']
RYAN Ryan Specialty Holdings, Inc. 100.00 1 ['supplier']
AXP American Express Company 100.00 1 ['customer']
HIG The Hartford Insurance Group, Inc. 100.00 1 ['supplier']
PRI Primerica, Inc. 100.00 1 ['supplier']
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BRK-B
Unlock BRK-B Supply Chain Data
Verified relationships include:
MERRILL-LYNCH-INTERNATIONALMERRILL-LYNCH-INTERNATIONALSupplier92%
MIZUHO-SECURITIES-USA-LLCMIZUHO-SECURITIES-USA-LLCSupplier92%
PORPortland General Electric…Customer95%
PORPortland General Electric…Customer95%
+46 more relationships locked
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