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.
Top committees ranked by total contributions (April)
| Rank | Committee | Amount | Median contribution amount |
|---|---|---|---|
| 1 | Chicagoland Operators Joint Labor-Management PAC | $346,560 | $346,560 |
| 2 | Laborers' Political League - Great Lakes Region | $346,172 | $95,561 |
| 3 | LiUNA Chicago Laborers District Council | $287,448 | $143,724 |
| 4 | Illinois Federation of Teachers COPE | $258,083 | $231 |
| 5 | Illinois Laborers' Legislative Committee | $74,417 | $2,613 |
| 6 | Democratic Party of Illinois | $63,600 | $16,000 |
| 7 | Associated Beer Distributors of Illinois | $53,414 | $752 |
| 8 | IBEW Local Union 134 State & Municipal PAC | $52,759 | $52,759 |
| 9 | Wine and Spirits Distributors of Illinois PAC | $46,400 | $23,200 |
| 10 | Political Action Committee of Local 265 | $42,409 | $42,409 |
| 11 | American Property Casualty Insurance Assoc. Pol. Acct. | $40,773 | $3,042 |
| 12 | Cook County College Teachers Union Comm on Political Education | $38,140 | $6,440 |
| 13 | Teamsters' Volunteers in Politics | $37,351 | $1,074 |
| 14 | Illinois Pipe Trades PEF | $35,680 | $755 |
| 15 | Ozinga for Illinois | $34,800 | $5,800 |
| 16 | Administrative District Council 1 of IL | $31,845 | $1,850 |
| 17 | UFCW Local 881 PAC | $30,643 | $30,643 |
| 18 | Personal PAC Inc | $29,803 | $250 |
| 19 | Friends of Tom Benigno | $29,750 | $875 |
| 20 | Illinois Trial Lawyers Assn PAC | $29,733 | $1,600 |
| 21 | Local Union 134 International Brotherhood of Electrical Workers PAC | $26,713 | $26,713 |
| 22 | IUOE Local 399 Political Education Fund | $26,000 | $300 |
| 23 | Illinois Policy PAC | $23,200 | $11,600 |
| 24 | Friends of Aaron Ortiz | $21,820 | $250 |
| 25 | Illinois Citizens for Ethics | $21,354 | $2,625 |
| 26 | Houlihan Campaign Fund | $20,750 | $400 |
| 27 | Friends of Don Harmon for State Senate | $20,476 | $2,250 |
| 28 | Citizens for Sara Feigenholtz | $20,000 | $10,000 |
| 29 | Illinois Bankers' PAC | $18,050 | $175 |
| 30 | Citizens for Dan Cronin | $17,750 | $300 |
| 31 | Vote Yes for Fair Tax | $16,356 | $120 |
| 32 | Clean Energy Illinois - Barry Matchett, Treasurer | $15,000 | $7,500 |
| 33 | Citizens in Support of Glenview School | $14,952 | $14,952 |
| 34 | Sprinkler Fitters Local 281, UA Political Education Fund | $14,121 | $14,121 |
| 35 | Committee To Oppose The Retroactive Term Limits Referendum | $13,700 | $750 |
| 36 | Lake County Federation of Teachers Local 504 COPE | $13,534 | $13,534 |
| 37 | Melissa For Chicago | $13,450 | $500 |
| 38 | Friends of Bill Cunningham | $13,250 | $1,000 |
| 39 | 4th Ward Democratic Org | $12,107 | $12,107 |
| 40 | Citizens for Antonio Tony Munoz | $11,700 | $1,000 |
| 41 | Friends For Kalish | $11,600 | $5,800 |
| 42 | IVCA - PAC | $11,500 | $1,000 |
| 43 | Friends of Mattie Hunter | $11,250 | $500 |
| 44 | Citizens for Durkin | $10,500 | $2,625 |
| 45 | REALTORS® Political Action Committee | $10,180 | $100 |
| 46 | Commonwealth Edison Co- Affiliate of Exelon Corp, PAC | $10,038 | $54 |
| 47 | DuPage County Building & Construction Trades Council PAC | $10,000 | $10,000 |
| 48 | Friends of Barbara Hernandez | $9,451 | $177 |
| 49 | Illinois ACRE | $9,434 | $245 |
| 50 | Cicero Voters Alliance (The Larry Dominick Team) | $9,125 | $500 |
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