Who are International Bancshares Corporation's main suppliers?

International Bancshares Corporation (IBOC) key suppliers include: Financial Institutions, Inc., Financial Institutions, Inc.. View the full supplier network at chainsifter.com/chain/IBOC.

Who are International Bancshares Corporation's major customers?

International Bancshares Corporation (IBOC) key customers include: Financial Institutions, Inc., Financial Institutions, Inc., LOAN-HOLDING-COMPANY. View the full customer network at chainsifter.com/chain/IBOC.

What sector is International Bancshares Corporation in?

International Bancshares Corporation (IBOC) operates in the general sector. ChainSifter tracks its verified supply chain relationships including suppliers, customers, and strategic partners.

International Bancshares Corporation (IBOC) Suppliers & Customers

2Suppliers

3Customers

1Debt Items

20Related Chains

Source-Backed Evidence Depth

International Bancshares Corporation (IBOC) 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.

7Total relationships

2Distinct source URLs

2High confidence

0.757Average 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.

International Bancshares Corporation Suppliers

Ticker	Name	Confidence	Evidence
FISI	Financial Institutions, Inc.	72%	Reciprocal relationship from FISI graph: Reciprocal relationship from IBOC graph: ity to sell the collateral at a profit or at all upon foreclosure. We operate in a highly competitive industry and ma…
FISI	Financial Institutions, Inc.	72%	ity to sell the collateral at a profit or at all upon foreclosure. We operate in a highly competitive industry and market area. We face substantial competition from a variety of different competitors…

International Bancshares Corporation Customers

Ticker	Name	Confidence	Evidence
FISI	Financial Institutions, Inc.	72%	Reciprocal relationship from FISI graph: Reciprocal relationship from IBOC graph: Reciprocal relationship from FISI graph: Reciprocal relationship from IBOC graph: Reciprocal relationship from FISI g…
FISI	Financial Institutions, Inc.	72%	ity to sell the collateral at a profit or at all upon foreclosure. We operate in a highly competitive industry and market area. We face substantial competition from a variety of different competitors…
LOAN-HOLDING-COMPANY	LOAN-HOLDING-COMPANY	62%	and the estimate based on qualitative current conditions and reasonable and supportable two-year forecasted data. Our methodology reverts to the average lifetime loss-rate beyond the forecast period …

International Bancshares Corporation Debt Obligations

Instrument	Description	Confidence	Evidence
IBOC-DEBT	Debt stack $724.0M	90%	Market cache reports total debt of $724.0M.

International Bancshares Corporation Acquisitions

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

International Bancshares Corporation Ownership

Holder	Name	Confidence	Evidence
IBOC-OWNER-BLACKROCK-INC	BlackRock, Inc.	90%	13F overlay lists BlackRock, Inc. as top holder; 292 tracked holders.

International Bancshares Corporation Extended Supply Chain Network

Ticker	Name	Chain Index	Hops
DTIL	Precision BioSciences, Inc.	100.00	2
BCH	Banco de Chile	100.00	2
ARMK	Aramark	100.00	2
BSAC	Banco Santander-Chile	100.00	2
BMA	Banco Macro S.A.	100.00	2
BRBS	Blue Ridge Bankshares, Inc.	100.00	2
AVAL	Grupo Aval Acciones y Valores S.A.	100.00	2
BSBR	Banco Santander (Brasil) S.A.	100.00	2
CHYM	Chime Financial, Inc.	100.00	2
BLX	Banco Latinoamericano de Comercio Exterior, S. A.	100.00	2
BRBI	BRBI BR Partners S.A.	100.00	2
GEMI	Gemini Space Station, Inc.	100.00	2
CNF	CNFinance Holdings Limited	100.00	2
BBAR	Banco BBVA Argentina S.A.	100.00	2
ENLT	Enlight Renewable Energy Ltd	100.00	2
FNWB	First Northwest Bancorp	100.00	2
ARM	Arm Holdings plc	100.00	2
BTTC	Black Titan Corporation	100.00	2
VRNO	Verano Holdings Corp.	100.00	2
ATLO	Ames National Corporation	100.00	2

International Bancshares Corporation Supply Chain