1999 National CUSO Directory Author:Callahan, Inc. Associates Published in conjunction with NACUSO, the 1999 National CUSO Directory is the only complete source of credit union service organization (CUSO) information. The Directory provides financial and contact information for 450+ CUSOs and the credit unions associated with them. It also documents current trends, activities and services provided wit... more »hin the industry. If you are thinking about starting or expanding your CUSO program or providing services to CUSOs, this is a must-have Directory.« less