Upon legally separating from Caterpillar, CEFCU changed its acronym to more accurately reflect membership eligibility; first, to "Construction Equipment Federal Credit Union" and, later, to "Citizens Equity Federal Credit Union."

[4] CEFCU membership criteria allow employees of Caterpillar Inc. and Caterpillar dealers, partner companies (those working for about 550 specific companies with a CEFCU relationship), plus individuals who live or work in fourteen central Illinois counties, or who live, work, or worship in three California counties to belong to the credit union.

[6] Individuals living or working in the following Illinois counties are eligible for CEFCU membership: Bond, Christian, Clinton, Fulton, Jersey, Knox, Livingston, Logan, McLean, Macon, Macoupin, Madison, Marshall, Mason, McLean, Monroe, Montgomery, Peoria, Putnam, Randolph, Saint Clair, Sangamon, Stark, Tazewell, Washington, and Woodford.

The institution now also operates in California, with individuals who live, work or worship in Santa Clara, Alameda and Contra Costa counties eligible to join CEFCU.

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