# Oosterbaan & Sons Co.: 1,312 certified-payroll hours on 25 Illinois public works projects in Cook, Will and 5 more counties (2026 Q3)

**Score:** 45/100

| Field | Value |
|---|---|
| Company | Oosterbaan & Sons Co. |
| Trade | Other |
| Quarter | 2026 Q3 |
| Hours reported | 1312 |
| Projects | 25 |
| Project numbers | Dolton SD 149 Diekman ES; CDB Harper College NCF; Schaumburg Village Hall; SD 62 Des Plaines; UIC 621 Roof Replacement Roose; 2023.124; 23-083 Spaulding Elementary; 2502213 RAA - PH 2B RICHARDS G; Westfield MS; 09G-17002; Fox Meadows ES Pumpt; Fire Station No 2 |
| Counties | Cook, Will, DuPage, Champaign, Lake, McHenry, Kane |
| Stage | Continuing public works contractor |

## Why this score
- Over 1,000 hours in the quarter.
- Current or most recent quarter.

Source: Illinois Department of Labor Certified Transcript of Payroll (Prevailing Wage Act), Report 5 (illinois-edp.data.socrata.com) (https://illinois-edp.data.socrata.com/d/uznz-24br). Last refreshed: 2026-10-28T20:51:04.151Z.
From the Illinois Department of Labor certified payroll transcripts (Report 5). Filings for a quarter keep arriving after it ends, so the latest quarter fills in over time. Hours are as reported by the contractor. Companies named as individuals are excluded. Verify with IDOL.