975 plumbers donated $3.2M to federal campaigns. See party breakdown and top states.
| State | Amount |
|---|---|
| Pennsylvania | $1.8M |
| New Jersey | $363K |
| California | $140K |
| New York | $108K |
| Florida | $99K |
| Washington | $77K |
| Texas | $69K |
| Massachusetts | $60K |
| Wisconsin | $40K |
| Arizona | $31K |