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Membership Eligibility

You are eligible to join CEFCU if you meet any of these qualifications. You:

  • Live or work in one of these Illinois counties: Bond, Champaign, Christian, Clinton, DeWitt, Douglas, Ford, Fulton, Iroquois, Jersey, Knox, Livingston, Logan, Macon, Macoupin, Madison, Marshall, Mason, McLean, Monroe, Montgomery, Peoria, Piatt, Putnam, Randolph, Saint Clair, Sangamon, Stark, Tazewell, Vermilion, Washington, or Woodford.
  • Live, work, or worship in Alameda, Contra Costa, or Santa Clara counties in California.
  • Are an employee or retiree of Caterpillar Inc., Caterpillar subsidiaries, or Caterpillar dealerships.
  • Are an employee or retiree of CEFCU's partner companies.
  • Are an immediate family member of someone who is eligible to join the Credit Union.Footnote 1
  • Are a member of a household that includes someone who is eligible to join the Credit Union.Footnote 2
  • Are the spouse of a member who has passed away.Footnote 3
  • Are a CEFCU employee or retiree.


1. Immediate family members include relatives by blood or marriage or foster and adopted children of credit union members.
2. A household is defined as people living in the same residence maintaining a single economic unit.
3. If the surviving spouse establishes membership within six months of the member's death.