Donations made to political groups or candidates must be disclosed under state law for greater transparency in elections. While Congress created the Federal Election Commission to oversee federal elections in 1974, each state is left to regulate its local elections.
Data about contributions during a month are often incomplete and updated at the end of the quarter.
Top committees ranked by total contributions (May)
| Rank | Committee | Amount | Median contribution amount |
|---|---|---|---|
| 1 | Operating Engineers Local 101 Political Fund | $100,000 | $100,000 |
| 2 | Enterprise Holdings, Inc. PAC | $52,061 | $42 |
| 3 | Build St. Louis PAC, Inc. | $39,900 | $1,000 |
| 4 | Page PAC | $35,000 | $7,500 |
| 5 | A Better Missouri Political Action Committee | $34,500 | $34,500 |
| 6 | Committee to Elect Eileen Weir | $22,855 | $250 |
| 7 | Thompson for Prosecutor | $19,339 | $500 |
| 8 | Missouri Realtors PAC, Inc | $18,841 | $300 |
| 9 | Motruck PAC | $18,218 | $229 |
| 10 | House Democratic Campaign Committee | $17,927 | $25 |
| 11 | American Property Casualty Insurance Association Political Account | $17,892 | $3,339 |
| 12 | Citizens to Elect Mike Wood | $15,740 | $500 |
| 13 | Plocher for Missouri | $14,700 | $1,000 |
| 14 | Missouri Petroleum Marketers + Convenience Store Association PAC | $14,175 | $575 |
| 15 | Show Me Integrity Action Fund | $13,515 | $25 |
| 16 | Ameren Federal Political Action Committee | $13,140 | $15 |
| 17 | McCulloch for Judge | $12,380 | $200 |
| 18 | Missouri Independent Bankers Association PAC | $12,266 | $1,117 |
| 19 | Lucas for Kansas City | $12,175 | $713 |
| 20 | Freedom's Promise PAC | $11,950 | $11,950 |
| 21 | Page for Missouri | $11,850 | $1,000 |
| 22 | AGC of Missouri PAC | $11,250 | $950 |
| 23 | James Page for Ward 5 | $11,155 | $100 |
| 24 | Missouri Republican Party | $10,300 | $5,000 |
| 25 | Nicole Galloway for Missouri | $10,115 | $50 |
| 26 | Coatar for St. Louis | $10,100 | $250 |
| 27 | Great Outdoors PAC | $9,000 | $9,000 |
| 28 | Missouri Soybean Association State PAC | $8,850 | $650 |
| 29 | Dennis Chassaniol for Judge | $8,570 | $200 |
| 30 | Missouri Pork-PAC | $8,500 | $450 |
| 31 | MOSFA PAC Inc. | $8,475 | $25 |
| 32 | Tishaura O. Jones for Mayor | $8,320 | $25 |
| 33 | Missouri Forward PAC | $7,500 | $3,750 |
| 34 | Friends for Tim Lowery | $7,025 | $200 |
| 35 | Midwest Region Laborers' Political League Education Fund | $6,944 | $6,944 |
| 36 | Greene County Democratic Central Committee | $6,732 | $20 |
| 37 | Jeffco Vision PAC | $6,500 | $2,500 |
| 37 | Jackson County Democratic Committee | $6,500 | $3,250 |
| 39 | Goeke for Judge | $6,320 | $100 |
| 40 | Missouri State Council of Fire Fighters PAC | $6,054 | $1,954 |
| 41 | UAW Region 5 Midwest States Political Action Committee | $6,000 | $6,000 |
| 42 | Charter Communications, Inc. Missouri PAC | $5,818 | $15 |
| 43 | Missouri Cattlemens Association PAC | $5,645 | $200 |
| 44 | Jeff Harris for Circuit Judge | $5,500 | $2,650 |
| 45 | Friends of Shaul | $5,300 | $400 |
| 46 | Missouri Democratic State Committee | $5,200 | $2,600 |
| 47 | Republican Central Committee of St. Louis County | $5,165 | $2,582 |
| 48 | Kansas City Bizpac the Political Action Committee of the Greater Kansas City Chamber of Commerce in Partnership with the Civic Council of Greater Kansas City | $5,000 | $5,000 |
| 48 | Missouri Corn Growers Association State Political Action Committee | $5,000 | $5,000 |
| 48 | Missouri United | $5,000 | $5,000 |
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