The ITA promotes trade and investments in the United States through data aggregation and studies on global markets and specific U.S. regions. The agency utilizes its research to negotiate on behalf of U.S. industries and is also responsible for enforcing compliance with trade agreements.
The ITA includes Hendricks County in the Indianapolis-Carmel-Anderson metro area, which includes counties from Indiana.
The following is the ranking of the top exporting counties in the largest trade metros across the U.S.
| Rank | County | Metro Area | 2017 Exports |
|---|---|---|---|
| 1 | Harris County | Houston-The Woodlands-Sugar Land, TX | $78,407,702,569 |
| 2 | Los Angeles County | Los Angeles-Long Beach-Anaheim, CA | $48,164,783,380 |
| 3 | New York County | New York-Newark-Jersey City, NY-NJ-PA | $38,577,645,906 |
| 4 | King County | Seattle-Tacoma-Bellevue, WA | $31,959,339,563 |
| 5 | Miami-Dade County | Miami-Fort Lauderdale-West Palm Beach, FL | $25,499,828,936 |
| 6 | Snohomish County | Seattle-Tacoma-Bellevue, WA | $24,586,046,670 |
| 7 | Wayne County | Detroit-Warren-Dearborn, MI | $22,329,918,638 |
| 8 | Cook County | Chicago-Naperville-Elgin, IL-IN-WI | $21,413,563,126 |
| 9 | Santa Clara County | San Jose-Sunnyvale-Santa Clara, CA | $21,331,678,493 |
| 10 | Alameda County | San Francisco-Oakland-Hayward, CA | $19,518,964,364 |
| 11 | San Diego County | San Diego-Carlsbad, CA | $18,637,096,248 |
| 12 | Dallas County | Dallas-Fort Worth-Arlington, TX | $18,236,839,717 |
| 13 | Orange County | Los Angeles-Long Beach-Anaheim, CA | $15,588,108,613 |
| 14 | Jefferson County | Beaumont-Port Arthur, TX | $14,677,275,006 |
| 15 | Kenton County | Cincinnati-Middletown, OH-KY-IN | $14,496,295,701 |
| 16 | Oakland County | Detroit-Warren-Dearborn, MI | $14,418,407,583 |
| 17 | Maricopa County | Phoenix-Mesa-Scottsdale, AZ | $12,930,878,549 |
| 18 | Washington County | Portland-Vancouver-Hillsboro, OR-WA | $11,532,553,702 |
| 19 | Travis County | Austin-Round Rock, TX | $11,491,871,868 |
| 20 | Greenville County | Greenville-Anderson-Mauldin, SC | $11,090,026,950 |
| 21 | Nueces County | Corpus Christi, TX | $10,425,548,123 |
| 22 | Fulton County | Atlanta-Sandy Springs-Roswell, GA | $10,205,989,130 |
| 23 | Middlesex County | Boston-Cambridge-Newton, MA-NH | $9,207,939,582 |
| 24 | Webb County | Laredo, TX | $9,160,662,034 |
| 25 | Hartford County | Hartford-West Hartford-East Hartford, CT | $9,051,922,611 |