Rank 123456789101112131415 Location of Company Headquarters Exxon Mobil Corporation Wal-Mart Store, Inc. General Motors Corporation Ford Motor Company Blue Cross and Blue Shield Association General Electric Company ChevronTexaco Corporation ConocoPhillips American International Group, Inc. Internation Business Machines (IBM) Altria Group, Inc. Citigroup Inc. Hewlett-Packard Company Verizon Communications Inc. Cargill, Incorporated Revenues in 2003 (millions of dollars) Irving, TX Bentonville, AR Detroit, MI Dearborn, MI Chicago, IL Fairfield, CT San Ramon, CA Houston, TX New York, NY Armonk, NY New York, NY New York, NY Palo Alto, CA New York, NY Wayzata, MN $246,738$244,524$186,763$164,196$162,800$134,187$120,032$105,097$92,654$89,131$81,832$77,442$73,061$67,752$59,894
Use the data shown above to answer each question.
What two firms had the least amount of difference in their revenues?