Illinois
Has prequalification program 1 agency
Illinois Department of Transportation (IDOT)
| Prequalification | Required |
| Threshold | Required for all IDOT contracts |
| Capacity Formula | Financial rating based on working capital and experience factor |
| Bonding | Bid bond, performance and payment bonds |
| Renewal | Annual |
| Processing Time | 30 days |
| Application | Application portal |
| Program Types | Standard Prequalification |
Required Documents
- CPA-audited financial statement
- Experience and equipment questionnaire
- Key personnel data
Work Categories
EarthworkPavingStructuresTrafficElectricalDrainage
IDOT requires all prime contractors to be prequalified. Work categories determine eligible contract types.
https://idot.illinois.gov/doing-business/procurements/construction-services/prequalification/ Last checked: 2026-02-06