# Hartwig Mechanical Inc.: 3,053 certified-payroll hours on 50 Illinois public works projects in Cook, Winnebago and 8 more counties (2026 Q2)

**Score:** 35/100

| Field | Value |
|---|---|
| Company | Hartwig Mechanical Inc. |
| Trade | Plumbing, HVAC and fire protection |
| Quarter | 2026 Q2 |
| Hours reported | 3053 |
| Projects | 50 |
| Project numbers | 20528 MORRISON CUSD 6 71-26-0XX; 10960 RPS CONKLIN IB SCHOOL ADDITION PLUMBING; 20338 UWH SWEDISH AMERICAN RENO; 20477 RPS CONKLIN IB SCHOOL ADDITION; 20503 FOUR RIVERS SCUM BUILDING; 11029 COOK CO HEALTH ARLINGTON HC; 32007 BUFFALO GROVE RAUPP MUSEUM 210742-13000; 10932 - SD48 ALBRIGHT MS; 32026 4652-019 CUSD 205 EMERESON ES; 4650-030 CCSD 181 Site Work; 20413 ADULT JUSTICE CENTER: 24-064-KK; 40000 REDDICK PUBLIC LIBRARY |
| Counties | Cook, Winnebago, Kane, Kankakee, McHenry, Lake, DuPage, Grundy, Whiteside, LaSalle |
| Stage | Continuing public works contractor |

## Why this score
- Over 1,000 hours in the 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.