Illinois Department of Transportation
Highway Maintainer
Gregory Sullivan C in 2025 was employed at Illinois Department of Transportation and had an annual salary of $108,439, according to public records. This salary was 35 percent higher than the average and 19 percent higher than the median salary in Illinois Department of Transportation.
Illinois Department of Transportation records show Gregory Sullivan C held job of Highway Maintainer from 2020 to 2025.
Since 2020, the salary has increased by $20,339, a total rise of 23.1 percent.
| Year | 2025 |
| Full Name | Gregory Sullivan C |
| Job Title | Highway Maintainer |
| Get Highway Maintainer Salary Statistics | |
| State | Illinois |
| Employer | Illinois Department of Transportation |
| Annual Wage | $108,439 |
| Pay Plan |
*Information may include where available: salary, bonuses, benefits, retirement contributions, pensions, and other financial data.
| Employer Name | Illinois Department of Transportation |
| Year | 2025 |
| Number of Employees | 7,545 |
| Average Annual Wage | $80,171 |
| Median Annual Wage | $91,273 |
Gregory Sullivan C (2024)Highway Maintainer | View Person Details |
Gregory Sullivan C (2022)Highway Maintainer | View Person Details |
Gregory Sullivan C (2021)Highway Maintainer | View Person Details |
Gregory Sullivan C (2020)Highway Maintainer | View Person Details |
Benjamin Sperry R (2025)Technical Manager V at Illinois Department of Transportation | View Person Details |
Jeffrey Huggins L (2025)Engineering Technician at Illinois Department of Transportation | View Person Details |
Dallas Boynton L (2025)Highway Maintainer at Illinois Department of Transportation | View Person Details |
William Stapleton E (2025)Highway Maintainer at Illinois Department of Transportation | View Person Details |
Frederick Krkoch A (2025)Engineering Technician at Illinois Department of Transportation | View Person Details |
Ernst Philamon L (2025)Highway Maintainer at Illinois Department of Transportation | View Person Details |
Jimmie Malone L (2025)Highway Maintainer at Illinois Department of Transportation | View Person Details |
Bradley Dennis Field (2025)Engineering Technician at Illinois Department of Transportation | View Person Details |
Benedict Whelan J (2025)Civil Engineer at Illinois Department of Transportation | View Person Details |
Michael Brownlee (2025)Civil Engineer at Illinois Department of Transportation | View Person Details |