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Top Vendors

Follow the spending side: the consultants, media buyers, mail firms and pollsters the candidates in these races paid, how much each vendor took in, and how many campaigns used them.

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The full district files are available to Capitol Daybook Research clients. A Capitol Daybook subscription does not include research access.

The vendor file covers the top vendors paid by candidates in California's 2026 district races: how much each vendor took in, which campaigns used them, and the campaign loan and payroll highlights.