Bank Administration Institute - BAI
  
The Bank Administration Institute (BAI) is a nonprofit organization in the United States that works with the banking industry to improve the knowledge base and products of the industry. The membership of the BAI includes national and global banks, credit unions, mortgage and auto loan providers, money service businesses, and larger lending institutions.
For a fee (membership fee), BAI functions like a field marketing organization (FMO) or an independent marketing organization (IMO) does for the insurance industry, or a broker/dealer does for the investment industry. The goal of the BAI is to increase the profitability and reach of its members.
While it describes itself as working with the financial industry, the BAI doesn't include insurance companies or investment firms in it's membership. However, these firms are are traditionally called the financial services industry.
There's the financial services industry and the financial service industry. The use of "the" is subjective.