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Private company

SUM

American interbank network1

SUM is an interbank network in forty-two U.S. states (all except Alaska, Alabama, Delaware, Montana, Nebraska, North Dakota, South Dakota, Wyoming), the District of Columbia and Puerto Rico. It is largely made up of smaller local banks and credit unions.2 It is part of NYCE.1 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

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SUM is an interbank network in forty-two U.S. states (all except Alaska, Alabama, Delaware, Montana, Nebraska, North Dakota, South Dakota, Wyoming), the District of Columbia and Puerto Rico. It is largely made up of smaller local banks and credit unions.2

Corporate structure

SUM is part of a group headed by NYCE. 2 entities, 2 countries on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

Subsidiaries and ownership

Parent company

From Wikidata.1

Sources

The numbers on this page point here. Each one links to the record it came from.

  1. 1
  2. 2