GRANCO Believes in Relationships



Membership in GRANCO is ownership in a socially responsible credit union – one that serves local organizations that believe in the cooperative movement. These are Select Employee Groups (SEGs) who appreciate their employees by giving them greater access to services that will build their personal worth and help them become more financially secure.

You are eligible to join if you are an employee OR family member of an employee at one of these great organizations below:


      Public Utility Districts (PUD):
      • Grant County
      • Kittitas County
      • Okanogan County
      • Douglas County
      Cities of:
      • Ephrata
      • Moses Lake
      • Othello
      • Quincy
      • Soap Lake
      School Districts:
      • Ephrata
      • Moses Lake
      • Othello
      • Quincy
      • Soap Lake
      • Wilson Creek


      • Columbia Basin Hospital
      • McKay Healthcare and Rehab
      • Quincy Valley Medical Center
      • Samaritan Healthcare
      Irrigation Districts:
      • East Columbia Basin Irrigation District
      • Quincy Columbia Basin Irrigation District
      • South Columbia Basin Irrigation District (Power Generation Division)
      • Grant County Fire District #3, #5, #7, #10, #11 and #13
      • Ephrata Volunteer Firefighters
      • Firefighters Employed by Eligible Cities
      Additional Select Employee Groups
      • Big Bend Community College
      • Consolidated Disposal Service Inc.
      • Family Services of Grant County
      • Grant Transit Authority (GTA)
      • Municipal Corporation of Grant County
      • Port of Moses Lake
























Become a Member

Joining GRANCO Federal Credit Union can be done through our simple process. Give us a call at 509.754.5233 or stop in any of our locations and we’ll help you get started.

Become a Select Employer Group

Take a step toward attracting, developing and retaining employees by becoming a Select Employer Group (SEG). Innovative products, online banking and education programs are here for you and your employees. Join our field of membership and become a SEG today.


Since 1956, GRANCO Federal Credit Union has been providing friendly member service in Ephrata, Moses Lake and the surrounding area. The cooperative philosophy that started the credit union still rings true today.

GRANCO believes in relationships.

GRANCO will consider a member’s credit score, but will not deny any loan due to credit score alone. GRANCO understands that credit scores are very volatile and can and will change quickly. Our mission is to counsel our members, showing them how to dramatically improve their credit scores and thus pay us less in interest when borrowing.

Ready to get started? Give us a call at 509.754.5233 or stop in any of our locations.