Illinois accounts for 14,903 employers with at least one OSHA inspection on record — 21,671 inspections in total, 865 citations, and $2,612,609 in proposed penalties. Here's where that enforcement activity concentrates.
The 10 most-inspected Illinois employers
- Caterpillar, Inc. — East Peoria, IL · 39 inspections, 0 violations
- Rivian Automotive, Llc — Normal, IL · 34 inspections, 0 violations
- U.s. Postal Service — Aurora, IL · 29 inspections, 0 violations
- Npl Construction Co. — Frankfort, IL · 28 inspections, 0 violations
- United States Postal Service — Springfield, IL · 25 inspections, 0 violations
- Walmart, Inc. — Minooka, IL · 23 inspections, 0 violations
- Usdol Osha- Naperville — Rochelle, IL · 22 inspections, 0 violations
- United Parcel Service, Inc. — Bloomington, IL · 21 inspections, 0 violations
- Archer-Daniels-Midland Company — Quincy, IL · 21 inspections, 0 violations
- Usdol Osha — Des Plaines, IL · 20 inspections, 0 violations
Illinois employers with the largest penalty totals
A different cut of the same data — the employers carrying the largest cumulative penalty assessments in Illinois:
- Alpha Baking Co., Inc. — Chicago · $212,788 across 8 inspections
- Miller Carpentry Llc — Mahomet · $161,163 across 4 inspections
- Miguel Esquina Reyes Dba Corner Construction Corp. — Matteson · $86,820 across 2 inspections
- Art Tyrawa — Mount Prospect · $83,938 across 1 inspection
- Cimco Resources, Inc. — Rock Falls · $78,000 across 2 inspections
Where in Illinois OSHA inspects most
City-level concentration tells you which metros generate the bulk of Illinois's enforcement activity:
- Chicago — 2,216 inspections across 1,477 employers
- Springfield — 484 inspections across 217 employers
- Naperville — 384 inspections across 278 employers
- Peoria — 332 inspections across 207 employers
- Elk Grove Village — 272 inspections across 187 employers
Research a specific Illinois employer
The Illinois state page lists every city with OSHA-inspected employers and links through to each one. If you're hiring a contractor or evaluating a job offer in Illinois, pulling the specific employer's record is the most direct way to use this data.
For nationwide context, see The 10 U.S. states with the most OSHA violations on record and The 10 most-inspected U.S. employers.