KOPPERS INC. is a wood preservation employer in SOMERVILLE, TX. Federal records show 7 OSHA inspections with 14 violations and $56,400 in penalties. 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.
219 CR 423, SOMERVILLE, TX, 77879
Parent: Koppers Holdings Inc. (37 locations)
321114 — Top companies in Wood Preservation
Industry Benchmark
Data Insights
Inspection Breakdown
Peer Comparison
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.
- 67949 - KOPPERS INC — TINY TOWN, KY — 3 federal records
- KOPPERS, INC. — NORTH LITTLE ROCK, AR — 3 federal records
- KOPPERS, INC. — CICERO, IL — 3 federal records
- Koppers Inc. — Pittsburgh, PA — 2 federal records
- KOPPERS, INC. — DENVER, CO — 2 federal records
- KOPPERS INC. — GREEN SPRING, WV — 2 federal records
- KOPPERS INDUSTRIES, INC. — CICERO, IL — 2 federal records
- KOPPERS INC — SALEM, VA — 1 federal record
- KOPPERS INDUSTRIES INC. — CLAIRTON, PA — 1 federal record
- KOPPERS, INC. — HUNTINGTON, WV — 1 federal record
Other employers in Wood Preservation within TX
- LONE STAR SPECIALTIES, LLC — LONE STAR — 2 federal records
- GRAYDEN CEDARWORKS INDUSTRIES — JUNCTION — 1 federal record
- M G BUILDING MATERIALS, INC — SAN ANTONIO — 1 federal record
- TEXAS ELECTRIC COOPERATIVES — JASPER — 1 federal record
- STELLA-JONES CORPORATION — JASPER — 1 federal record
- GRAYDEN CEDARWORKS — JUNCTION — 1 federal record
- MG BUILDING MATERIALS, INC. — SAN ANTONIO — 1 federal record
- GREAT SOUTHERN WOOD PRESERVING, INC. — COLUMBUS — 1 federal record
- REGIO BLOCK, INC. — LAREDO
- HUBER LAND LLC — GARRISON
Industry context
Within the wood preservation industry in TX, KOPPERS INC. ranks in the 91th percentile of OSHA violation frequency across 81 comparable establishments. That places this employer among the highest-violation establishments in its peer set.
OSHA penalty totals rank in the 94th percentile of the same peer group. Inspection frequency ranks in the 99th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 3.6 for the wood preservation sector, with a Days Away, Restricted, or Transferred (DART) rate of 2.3.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 12 years.
Frequently Asked Questions
- What is KOPPERS INC.'s OSHA violation history?
- KOPPERS INC. has 7 OSHA inspections on record with 14 violations and $56,400 in total penalties.
- How does KOPPERS INC.'s safety record compare to its industry?
- KOPPERS INC. operates in the wood preservation industry. The industry average Total Recordable Incident Rate (TRIR) is 3.6.
About this data
This profile aggregates federal enforcement records on KOPPERS INC. of SOMERVILLE, TX from 17 federal data sources. Records were found in 4 sources: OSHA workplace safety inspections, NLRB labor relations cases, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 13 sources were checked and found no matching records: WHD, MSHA, EPA, OFLC, OFCCP, FMCSA, USAspending, SAM.gov, CMS, CPSC, NHTSA, UVA, SEC enforcement.
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.