| Air Route Traffic Control Center |
|
|
|
| Air Traffic Organization |
34,000 |
|
https://www.faa.gov/air_traffic |
| Airport Traffic Control Towers |
|
|
|
| Bureau of Certification and Licensing |
|
|
https://www.fmc.gov/bcl |
| Bureau of Enforcement (Federal Maritime Commission) |
|
|
https://www.fmc.gov/beic |
| Bureau of Trade Analysis |
|
|
https://www.fmc.gov/bta |
| Civil Aerospace Medical Institute |
|
|
https://www.faa.gov/about/office_org/headquarters_offices/avs/offices/aam/cami/ |
| Federal Aviation Administration |
45,000 |
$17.5 billion (Fiscal Year 2023) |
https://www.faa.gov |
| Federal Railroad Administration |
950 |
Approximately $2.4 billion (fiscal year 2025) |
https://railroads.dot.gov |
| Federal Transit Administration |
700 |
Approximately $22 billion (fiscal year 2025) |
https://www.transit.dot.gov |
| National Transportation Library |
|
|
https://ntl.bts.gov |
| Office of Aerospace Medicine |
|
|
|