Everett, Mass.-based Everett CU is merging into Medford, Mass.-based Members Plus CU, according to the latter's website.
The merger has been approved by members of the credit unions.
As of June 30, Members Plus CU had $254.7 million in assets, while Everett CU had assets of $49.0 million, SNL data shows.
SNL is owned by S&P Global Market Intelligence.