IL
KEYSTONE MECHANICAL INDUSTRIES, INC. is a notable inspection in the IL category. This page provides verified data from US Department of Labor — OSHA Enforcement Data (v4 API) (2026), helping you compare KEYSTONE MECHANICAL INDUSTRIES, INC. against similar inspections and make data-driven decisions.
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| activity nr | 100,141,134 |
| reporting id | 0521400 |
| estab name | KEYSTONE MECHANICAL INDUSTRIES, INC. |
| site address | 1/2 MILE WEST OF RT. 59 & OSWEGO |
| site city | AURORA |
| site state | IL |
| site zip | 60505 |
| owner type | A |
| owner type label | Private |
| sic code | 1711 |
| naics code | 000000 |
| insp type | H |
| insp type label | Planned |
| insp scope | A |
| insp scope label | Complete |
| safety hlth | S |
| safety hlth label | Safety |
| union status | A |
| union status label | Union |
| nr in estab | 15 |
| open date | 1986-09-16 |
| close conf date | 1986-09-17 |
| close case date | 1986-09-30 |
| load dt | 2011-10-14 |
This OSHA inspection of KEYSTONE MECHANICAL INDUSTRIES, INC. in IL opened on Sep 16, 1986 and closed 14 days later. The review was conducted as a programmed/planned review and focused on workplace safety conditions. Scope of the walk-around was complete. At the time of inspection, the establishment reported 15 employees on site.
The site of record for this inspection is listed below. Industry classification uses legacy SIC code 1711. Addresses reflect the establishment's location at the time of inspection.
In total, 4,633 OSHA inspections in IL appear in this dataset. During 1986 alone, 216 inspections were recorded in the state — this inspection at KEYSTONE MECHANICAL INDUSTRIES, INC. is one of them. Enforcement volume varies year-over-year with OSHA staffing, federal priorities, and complaint inflow, so cross-year comparisons are most useful as a rough indicator of activity rather than a strict measure of risk.
This data helps you understand how KEYSTONE MECHANICAL INDUSTRIES, INC. compares to others in the IL category. Use it to make informed decisions based on verified data from US Department of Labor — OSHA Enforcement Data (v4 API).
inspections with the closest data values to KEYSTONE MECHANICAL INDUSTRIES, INC.
The OSHAPeek editorial team aggregates and verifies inspections data from US Department of Labor — OSHA Enforcement Data (v4 API). Every statistic on this site is cross-referenced against the official source before publication, with quarterly re-verification cycles.
Read our full methodology or contact us with corrections.
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