The Workers Credit Union All Credit Levels is a cdfi lender from Workers Credit Union. The ongoing APR is 4.99% - 9.49%. Rewards: High Interest and Cash Back Checking Accounts. This product reports activity to your personal credit report. Workers Credit Union is a community-focused credit union located in Fitchburg, MA, offering a variety of financial services to its members. It serves individuals and families in Massachusetts, providing access to high-interest checking accounts, personal loans, auto loans, and certificates of deposit. Services include: personal loans, auto loans. US Treasury certified CDFI Credit Union in Fitchburg, MA. Membership required.