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.
CEFCU membership criteria encompass employees of Caterpillar Inc. and its affiliated companies, as well as residents of specific geographic areas, including central Illinois counties and certain California counties.