CONCRETE MATERIALS CO. is a ready-mix concrete manufacturing employer in WICHITA, KS. Federal records show 4 OSHA inspections with 3 violations and $2,814 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.
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Inspection Breakdown
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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
CONCRETE MATERIALS CO. is one of 1,554 establishments in our dataset that roll up under the parent organization Knife River Corp. Knife River Corp is a SEC public reporter (KNF), with most recent reported revenue of $3.1B.
Federal enforcement records on CONCRETE MATERIALS CO. represent activity at this specific establishment. The full enforcement footprint of Knife River Corp across all 1,554 of its tracked locations is viewable on the parent profile.
Other establishments operated by Knife River Corp
- KNIFE RIVER CORPORATION — LODI, CA — 3 federal records
- KNIFE RIVER — MISSOULA, MT — 3 federal records
- CONNOLLY-PACIFIC CO — AVALON, CA — 3 federal records
- HAWAIIAN CEMENT — AIEA, HI — 3 federal records
- KNIFE RIVER CORPORATION — BILLINGS, MT — 3 federal records
- HAWAIIAN CEMENT — KAPOLEI, HI — 3 federal records
- STRATAS FOODS, LLC — ENGLEWOOD, NJ — 3 federal records
- CONCRETE PIPE & PRECAST, LLC — ASHLAND, VA — 3 federal records
- CONCRETE STRUCTURES OF THE MIDWEST, INC. — WEST CHICAGO, IL — 3 federal records
- CONCRETE MATERIALS OF MONTANA, LLC. — BELGRADE, MT — 3 federal records
Other employers in Ready-Mix Concrete Manufacturing within KS
- MIDWEST CONCRETE MATERIALS INC. — MANHATTAN — 3 federal records
- CONCRETE MATERIALS, INC. — MERRIAM — 2 federal records
- KANSAS SAND & CONCRETE INC — TOPEKA — 2 federal records
- LAFARGE MIDWEST INC. — FREDONIA — 1 federal record
- HEARTLAND CEMENT COMPANY — INDEPENDENCE — 1 federal record
- CONCRETE SUPPLY OF TOPEKA INC — TOPEKA — 1 federal record
- BUILDERS CONCRETE & SUPPLY, INC. — HILLSBORO — 1 federal record
- CONCRETE SERVICES CO. INC. — HAYS — 1 federal record
- MEIER'S READY MIX, INC. — TOPEKA — 1 federal record
- FORDYCE CONCRETE COMPANY, INC. — KANSAS CITY — 1 federal record
Industry context
Within the ready-mix concrete manufacturing industry in KS, CONCRETE MATERIALS CO. ranks in the 74th percentile of OSHA violation frequency across 126 comparable establishments.
OSHA penalty totals rank in the 74th percentile of the same peer group. Inspection frequency ranks in the 92th percentile.
The Bureau of Labor Statistics reports an industry-average Total Recordable Incident Rate (TRIR) of 2.5 for the ready-mix concrete manufacturing sector, with a Days Away, Restricted, or Transferred (DART) rate of 1.6.
Activity timeline
No federal enforcement activity has been recorded against this establishment in the past 16 years.
Frequently Asked Questions
- What is CONCRETE MATERIALS CO.'s OSHA violation history?
- CONCRETE MATERIALS CO. has 4 OSHA inspections on record with 3 violations and $2,814 in total penalties.
- How does CONCRETE MATERIALS CO.'s safety record compare to its industry?
- CONCRETE MATERIALS CO. operates in the ready-mix concrete manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 2.5.
About this data
This profile aggregates federal enforcement records on CONCRETE MATERIALS CO. of WICHITA, KS from 17 federal data sources. Records were found in 3 sources: OSHA workplace safety inspections, SEC XBRL companyfacts (parent financials), and BLS industry safety benchmarks. The remaining 14 sources were checked and found no matching records: WHD, MSHA, EPA, NLRB, 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. CONCRETE MATERIALS CO. resolves to the parent rollup Knife River Corp, which operates 1,554 establishments in our dataset.
This profile may be incomplete if CONCRETE MATERIALS CO.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.