Quest Federal Credit Union serves those who live, work, worship or attend school in Hardin, Logan, and Wyandot counties. Quest FCU has 5 branch locations in Hardin, Logan, and Wyandot Counties with many offsite ATMs available to members and non-members. Quest FCU also participates in the Shared Branching and Alliance One ATM Network. NCUA Insured. Equal Opportunity Lender.