Credit union Guardian
Guardian is a federally insured credit union based in Oak Creek, Wisconsin.
- Type
- Credit union
- Charter
- State-chartered, federally insured credit union
- Primary regulator
- NCUA
- Established
- January 1, 1934
- Headquarters
- Oak Creek, WI
- NCUA charter #
- 66638
- Fed RSSD ID
- 101390
Source: U.S. FDIC BankFind & NCUA 5300 Call Report (public data). Data sources · Data as of Q1 2026
Branches by state
Guardian operates 7 branch locations across 2 states. Select a state to drill down to its towns and individual branches.
Ownership
Guardian 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 Wisconsin
Federally insured credit unions headquartered in Wisconsin, by total assets.
- Summit $8.3B
- Landmark $7.73B
- Community First $6.66B
- University of Wisconsin $6.6B
- Royal $5.9B
- Covantage $4.19B
- Connexus $4.15B
- Educators $3.89B
Similar-size credit unions
Institutions close to Guardian’s $291.2M in assets.
- Alltrust $291.3M
- Bangor $291M
- Tct $292M
- Northwestern Mutual $292.3M
- O.A.S. Staff $289.7M
- Advantage Plus $289.5M