Koppers Inc. is an employer in Pittsburgh, PA. No OSHA inspections are on record for this employer. 1 Wage & Hour Division enforcement case on record. All data sourced from public federal enforcement records.
Data sourced from OSHA, DOL WHD, MSHA, EPA ECHO, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA, and the UVA Corporate Prosecution Registry. Last updated: May 2, 2026.
Koppers Inc.
436 Seventh Avenue, Pittsburgh, PA, 15222
Parent: Koppers Holdings Inc. (37 locations)
EIN: 251588399
43 employees
Data Insights
Labor Relations (NLRB)
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Inspection History
No inspection records found.
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Data aggregated from public federal enforcement and program records (OSHA, WHD, MSHA, EPA, NLRB, FMCSA, OFLC, BLS, SAM.gov, CMS, USAspending, CPSC, NHTSA) plus the UVA Corporate Prosecution Registry. Employer profiles matched by name and location — matching errors may occur. Risk scores computed by FastDOL, not official government assessments. OSHA citations typically appear 3-8 months after the inspection, so very recent enforcement actions may not yet be reflected. Data provided as-is. Report a data error.
Part of a larger organization
Koppers Inc. is one of 37 establishments in our dataset that roll up under the parent organization Koppers Holdings Inc.. Koppers Holdings Inc. is a SEC public reporter (KOP), with most recent reported revenue of $1.9B.
Federal enforcement records on Koppers Inc. represent activity at this specific establishment. The full enforcement footprint of Koppers Holdings Inc. across all 37 of its tracked locations is viewable on the parent profile.
Other establishments operated by Koppers Holdings Inc.
- KOPPERS, INC. — CICERO, IL — 3 federal records
- KOPPERS, INC. — NORTH LITTLE ROCK, AR — 3 federal records
- 67949 - KOPPERS INC — TINY TOWN, KY — 3 federal records
- KOPPERS, INC. — DENVER, CO — 2 federal records
- KOPPERS INDUSTRIES, INC. — CICERO, IL — 2 federal records
- KOPPERS INC. — GREEN SPRING, WV — 2 federal records
- KOPPERS INC. — SOMERVILLE, TX — 2 federal records
- KOPPERS INC — SALEM, VA — 1 federal record
- KOPPERS INDUSTRIES INC. — MONESSEN, PA — 1 federal record
- Koppers Industry — Somerville, TX — 1 federal record
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 16 years.
Frequently Asked Questions
- What is Koppers Inc.'s OSHA violation history?
- Koppers Inc. has no OSHA inspections on record.
About this data
This profile aggregates federal enforcement records on Koppers Inc. of Pittsburgh, PA from 17 federal data sources. Records were found in 3 sources: DOL Wage and Hour Division enforcement, NLRB labor relations cases, and SEC XBRL companyfacts (parent financials). The remaining 14 sources were checked and found no matching records: OSHA, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement, BLS.
Establishments are matched across agencies using normalized employer name, state, and ZIP code. The dataset was last refreshed on May 2, 2026. Koppers Inc. resolves to the parent rollup Koppers Holdings Inc., which operates 37 establishments in our dataset.
This profile may be incomplete if Koppers Inc.operates under multiple legal names, files under variations our entity-matching rules don't yet cover, or maintains records below current matching thresholds. To report a missing record or correction, email corrections@fastdol.com.