About > Membership

Joining Arsenal is easy

You’re eligible to join Arsenal if you or a family member* live or work in an area we serve, or if your small business is in one of those areas.

Open an account online

Missouri

Jefferson County
St. Louis County
St. Louis City
Franklin County
Washington County
St. Francois County
Ste. Genevieve County

In addition, we serve select ZIP codes in Jasper County (64801), Miller County (65026), Camden County (65049, 65065) and Morgan County (65072) in Missouri.

Illinois

St. Clair County
Madison County
Monroe County
Randolph County

*If you have a parent, grandparent, brother, sister, child, grandchild, spouse, aunt, uncle, niece, nephew, first cousin or legal guardian who is eligible to be an Arsenal member based on where they live or work, you can join through them! This includes steps, in-laws and legally adoptive relationships.



What if I don’t live in any of these counties?

If you don’t qualify through the above, there are other ways you can join.

You’re employed by NGA or the local VA, or contractor companies of either

The National Geospatial-Intelligence Agency (NGA) is our original sponsor group. We were founded in 1948 to serve their employees and family members. We also serve those who work for the Department of Veterans Affairs (Veterans Administration).

Retired employees of the Department of Defense and the Department of Veterans Affairs residing in the St. Louis area are also eligible to join Arsenal.

You belong to a local labor organization
  • Bakers, Confectionery, Tobacco Workers, and Grain Millers (BCTGM) Local 4
  • Communications Workers of America (CWA) 4217
  • Iron Workers Local 396
  • Service Employees International Union (SEIU) Healthcare Illinois
  • United Food and Commercial Workers (UFCW) Local 534
You’re involved in the local real-estate industry
  • Agent
  • Appraiser
  • Broker
  • Employee of a real-estate company (in Missouri or Illinois)
  • Member of real-estate association
You work for the federal government
You work for the Coast Guard or the National Guard in the St. Louis area
You’re a postal employee

Open your account today

We're here to help you in-person and virtually.

Find your closest branch