| Answer | Crossword Clue |
|---|---|
| IRS | Org. headquartered on Constitution Ave. |
| SEN | One on Constitution Ave. |
| IRS | Agency based on Constitution Ave. |
| SEN | One with an office on Constitution Ave. |
| UAW | Org. headquartered on the Detroit River |
| THEUN | Org. headquartered on N.Y.C.'s First Avenue |
