ST. PETERSBURG, Fla. – Three credit unions have recently signed agreements that either continue their relationships with PSCU Financial Services or start new ones. The $199 million Southeast Financial Credit Union, headquartered in Nashville, Tennessee, and the $135 million COMSTAR FCU, headquartered in Clarksburg, Maryland both renewed their agreements with the cooperative. Together they represent 51,000 credit and debit card accounts. The $168 million Educators Credit Union, headquartered in Nashville as well, signed up new with the cooperative and brought 9,100 card accounts.