Based in Chicago, this financial services provider merged with J.P. Morgan Chase in 2004
Individual ..... 
Chicago's largest bank  when unknown ..... providers  products that enabled 
customers... [DOC] [TLE] J. P. Morgan Chase & Co. And Bank One Corporation To Merge ... [PAR] Jan 14, 2004 ... NEW YORK and CHICAGO, January 14, 2004 - J. P. Morgan Chase ... Retail 
Financial Services Business to be Headquartered in Chicago - .... We will be a 
major provider of both consumer and commercial banking services in... [DOC] [TLE] J.P. Morgan to buy Bank One for $58 billion - Jan. 15, 2004 [PAR] Jan 15, 2004 ... J.P. Morgan Chase & Co. has agreed to buy Bank One Corp. for about $58 ...