WI
THURNER HEAT TREATING CORP. is a notable inspection in the WI category. This page provides verified data from US Department of Labor — OSHA Enforcement Data (v4 API) (2026), helping you compare THURNER HEAT TREATING CORP. against similar inspections and make data-driven decisions.
C & E BUILDERS
WI
AVERY R.T.G., INC.
MA
A.J. MAGGIO COMPANY
IL
MALDEN MILLS INDUSTRIES
MA
ST. CHARLES MFRG. GROUP, DIV. OF ST. CHARLES CO.
IL
| activity nr | 122,109,226 |
| reporting id | 0523400 |
| estab name | THURNER HEAT TREATING CORP. |
| site address | 1441 NORTH MAYFAIR ROAD |
| site city | WAUWATOSA |
| site state | WI |
| site zip | 53226 |
| owner type | A |
| owner type label | Private |
| sic code | 3398 |
| naics code | 000000 |
| insp type | B |
| insp type label | Complaint |
| insp scope | B |
| insp scope label | Partial |
| safety hlth | S |
| safety hlth label | Safety |
| union status | N |
| union status label | N/A |
| nr in estab | 40 |
| open date | 1993-03-04 |
| close conf date | 1993-03-08 |
| close case date | 1993-03-08 |
| load dt | 2011-10-14 |
This OSHA inspection of THURNER HEAT TREATING CORP. in WI opened on Mar 4, 1993 and closed 4 days later. The review was triggered by a complaint and focused on workplace safety conditions. Scope of the walk-around was partial. At the time of inspection, the establishment reported 40 employees on site.
The site of record for this inspection is listed below. Industry classification uses legacy SIC code 3398. Addresses reflect the establishment's location at the time of inspection.
In total, 2,301 OSHA inspections in WI appear in this dataset. During 1993 alone, 57 inspections were recorded in the state — this inspection at THURNER HEAT TREATING CORP. 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 THURNER HEAT TREATING CORP. compares to others in the WI 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 THURNER HEAT TREATING CORP.
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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