| Endorsers by state |
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This page contains a list of political endorsements made by International Union of Operating Engineers (IUOE) Local 399.
This section displays endorsements this organization made in elections within Ballotpedia's coverage scope.
| Endorsee | Election | Stage | Outcome |
|---|---|---|---|
| Michael Scott Jr. source (D) | Cook County Board of Commissioners District 2 (2026) | – | |
| Patricia Joan Murphy source (D) | Cook County Board of Commissioners District 6 (2026) | – | |
| Samantha Steele source (D) | Cook County Board of Review District 2 (2026) | – | |
| Jarrett Knox source (D) | Cook County Circuit Court 11th Subcircuit (2026) | – | |
| Brittany Pedersen source (D) | Cook County Circuit Court 13th Subcircuit (2026) | – | |
| Dan Naranjo source (D) | Cook County Circuit Court 13th Subcircuit (2026) | – | |
| Jessica Velez source (D) | Cook County Circuit Court 16th Subcircuit (2026) | – | |
| John Harkins source (D) | Cook County Circuit Court 19th Subcircuit (2026) | – | |
| Esiah A. Campos source (D) | Lake County Board District 16 (2026) | – | |
| Dan Jungles source (D) | Will County Sheriff (2026) | – | |
| Lori Lightfoot source (Nonpartisan) | Mayor of Chicago (2023) | General | Lost General |
| Partisan composition of International Union of Operating Engineers (IUOE) Local 399 endorsees | |
|---|---|
| Political party | # of endorsees |
| Democratic Party | 10 |
| Republican Party | 0 |
| Nonpartisan | 1 |
| Total | 11 |
Government
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