Rick Larsen (D-WA) serves as ranking member of the House Committee on Transportation and Infrastructure, which has jurisdiction over the Transportation sector. Transportation comprises 19.4% of his identifiable donor base ($1.10M), ranking him #1 in donor concentration within this sector among 253 Democratic members of Congress.
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How we built this: a statistical pattern surfaced from public records — FEC campaign finance, Senate/House Lobbying Disclosure Act filings, and Congress.gov. The donor concentration and the legislative action are concurrent facts; this does not imply contributions caused the action, that the member acted improperly, or that the bill specifically benefits the named sector. Generated July 1, 2026 · internal signal score 84/100.