Credit union Siu
Siu is a federally insured credit union based in Carbondale, Illinois.
- Type
- Credit union
- Charter
- State-chartered, federally insured credit union
- Primary regulator
- NCUA
- Established
- January 1, 1938
- Headquarters
- Carbondale, IL
- NCUA charter #
- 60279
- Fed RSSD ID
- 635091
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Siu operates 7 branch locations in Illinois. Select a state to drill down to its towns and individual branches.
Ownership
Siu is not currently recorded under a holding company in the federal data — it appears to be independently held. See its structure & merger history for any past changes.
Other credit unions in Illinois
Federally insured credit unions headquartered in Illinois, by total assets.
- Alliant $19.66B
- Citizens Equity First $8.61B
- Baxter $6.5B
- State Farm $5.62B
- Consumers $4.57B
- Credit Union 1 $2.64B
- I. H. Mississippi Valley $2.33B
- Empeople $2.28B
Similar-size credit unions
Institutions close to Siu’s $588.2M in assets.
- Sovita $587.2M
- Associated Credit Union of Texas $589.3M
- Transcend $589.4M
- Education First $589.9M
- Members Heritage $583.6M
- Ascentra $593.2M