| item | description | category | filter | more on... |
| USFA | United States Fastpitch Association | Radio Stations |
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| USFA | United States Fencing Association | Non-Profit Organizations |
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| USFA | United States Fire Administration | Governmental/US Gov. |
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| USFA | United States Football Alliance | Radio Stations |
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| USFA | United States Futsal Association | Radio Stations |
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