Establishment profile
CORNERSTONE CRUSHING, LLC
NEAR NW CORNER OF INDIAN BRIDGE LN. & BOHLMANN ST., DEFIANCE, OH, 43512
212319 — Other Crushed and Broken Stone Mining and Quarrying
Summary
CORNERSTONE CRUSHING, LLC has accumulated 3 OSHA violations across 1 inspection over 1 year of recorded history, with $1,986 in total assessed penalties.
The establishment sits in the 69th percentile for violations within its industry-state peer group of 40 employers. The most recent enforcement activity was recorded 1 year ago.
Federal records were found in 2 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
CORNERSTONE CRUSHING, LLC appears in OSHA workplace safety and MSHA mine safety records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, NLRB labor relations, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, UVA Corporate Prosecution Registry, CPSC product recalls, or NHTSA vehicle recalls.
OSHA workplace safety
100% of inspections at this establishment produced violations,
Most-cited OSHA standards
Top OSHA standards cited at this employer, ranked by citation count. Standards (CFR sections) cluster citations into safety themes -- machine guarding, lockout-tagout, hazard communication, fall protection, process safety, etc. A concentration on one or two sections reveals a pattern that individual citations don’t. 3 distinct standards shown · 3 citations in this view · $1,986 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 29 CFR 1910.0147 D | 1 | 1 | $1,986 | Sep 2025 | Sep 2025 |
| 29 CFR 1904.0039 A02 | 1 | 1 | — | Sep 2025 | Sep 2025 |
| 29 CFR 1910.0147 C04 II | 1 | 1 | — | Sep 2025 | Sep 2025 |
Source: OSHA inspection citations (violation_detail). CFR section codes can be looked up at osha.gov/laws-regs for the formal standard text. Per-inspection detail and the specific violation descriptions are available by expanding individual inspections below.
Peer comparison
Above average violations in NAICS 2123 within OH. Peer group: 40 employers. This establishment has 3 OSHA violations; peer median is 0.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for CORNERSTONE CRUSHING, LLC. Verify directly with OSHA Injury Tracking Application →
Industry benchmark
BLS rates reflect industry-wide averages. Self-reported figures come from OSHA’s Injury Tracking Application; absence of self-reported data does not necessarily indicate non-compliance — many establishments fall below the ITA reporting threshold.
Inspection breakdown
Complaint- and accident-triggered inspections are stronger risk signals than routine planned inspections.
OSHA severe injury reports
Self-reported events under 29 CFR 1904.39 (24-hour notification of hospitalization, amputation, or loss of an eye) · Jul 2025
Most frequent event: Struck by running powered equipment unspecified
Source: OSHA Severe Injury Reports (federal OSHA only; state-plan states like California, Oregon, and Washington maintain their own programs and do not consistently report into this feed).
Severe injury reports — events
Each row is a hospitalization, amputation, or eye-loss event the employer self-reported to OSHA under 29 CFR 1904.39. Narratives are written by the reporting employer.
| Date | Event | Body part | Outcome | |
|---|---|---|---|---|
| Jul 2, 2025 | Struck by running powered equipment unspecified | Other finger(s) n.e.c. | Amputation |
Source: OSHA Severe Injury Reports. Federal-OSHA jurisdiction only by default; some state-plan programs report voluntarily.
Activity timeline
Most recent federal enforcement activity recorded 1 year ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for CORNERSTONE CRUSHING, LLC. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in OH — for CORNERSTONE CRUSHING, LLC, not this location alone
Mine Safety & Health Administration — citations issued at mining operations. MSHA records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other CORNERSTONE CRUSHING, LLC operations in the same state.
MSHA citations
Mine Safety and Health Administration citations. S&S (significant and substantial) marks violations that could reasonably contribute to a serious injury. Negligence rating is MSHA’s operator-culpability assessment (none, low, moderate, high, or reckless disregard). Proposed = assessed at issuance; Paid = post-settlement / appeal. 36 citations · 9S&S · 13 contractor · $9,585 proposed / $9,585 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 9366332 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Dec 2017 | — | Yes | HighNegligence | $2,119 | $2,119 |
| 9366331 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Dec 2017 | — | Yes | HighNegligence | $2,119 | $2,119 |
| 9366333 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Dec 2017 | — | Yes | ModNegligence | $638 | $638 |
| 9806183 | Walhonding Valley Sand & Gravel Co. Coshocton, OH | Feb 2025 | — | Yes | ModNegligence | $432 | $432 |
| 5070989 | Wood Quarry Wayne, OH | Feb 2026 | — | No | ModNegligence | $151 | $151 |
| 5072110 | Unit 4 Portable Screener Lucas, OH | Sep 2025 | — | No | ModNegligence | $151 | $151 |
| 5072109 | Wood Quarry Wayne, OH | Sep 2025 | — | Yes | ModNegligence | $151 | $151 |
| 5072108 | Wood Quarry Wayne, OH | Sep 2025 | — | No | ModNegligence | $151 | $151 |
| 5072107 | Wood Quarry Wayne, OH | Sep 2025 | — | Yes | ModNegligence | $151 | $151 |
| 9809552 | Walhonding Valley Sand & Gravel Co. Coshocton, OH | Jun 2025 | — | No | LowNegligence | $151 | $151 |
| 9809551 | Walhonding Valley Sand & Gravel Co. Coshocton, OH | Jun 2025 | — | No | LowNegligence | $151 | $151 |
| 9806184 | Walhonding Valley Sand & Gravel Co. Coshocton, OH | Feb 2025 | — | No | ModNegligence | $151 | $151 |
| 9806182 | Walhonding Valley Sand & Gravel Co. Coshocton, OH | Feb 2025 | — | Yes | ModNegligence | $151 | $151 |
| 9806150 | Wood Quarry Wayne, OH | Dec 2024 | — | Yes | ModNegligence | $151 | $151 |
| 9806149 | Wood Quarry Wayne, OH | Dec 2024 | — | No | ModNegligence | $151 | $151 |
| 9806148 | Wood Quarry Wayne, OH | Dec 2024 | — | No | ModNegligence | $151 | $151 |
| 9800337 | Wood Quarry Wayne, OH | Mar 2024 | — | No | LowNegligence | $147 | $147 |
| 9714382 | Walhonding Valley Sand & Gravel Co. Coshocton, OH | Mar 2024 | — | No | ModNegligence | $147 | $147 |
| 9800338 | Wood Quarry Wayne, OH | Apr 2023 | — | No | ModNegligence | $147 | $147 |
| 9718717 | Walhonding Valley Sand & Gravel Co. Coshocton, OH | Aug 2023 | — | No | LowNegligence | $143 | $143 |
| 9669598 | Wood Quarry Wayne, OH | May 2023 | — | No | ModNegligence | $143 | $143 |
| 9669597 | Wood Quarry Wayne, OH | May 2023 | — | No | LowNegligence | $143 | $143 |
| 9661994 | Wood Quarry Wayne, OH | Mar 2022 | — | No | ModNegligence | $133 | $133 |
| 9661993 | Wood Quarry Wayne, OH | Mar 2022 | — | No | ModNegligence | $133 | $133 |
| 9661992 | Wood Quarry Wayne, OH | Mar 2022 | — | No | LowNegligence | $133 | $133 |
| 9661991 | Wood Quarry Wayne, OH | Mar 2022 | — | Yes | ModNegligence | $133 | $133 |
| 9520743 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Mar 2020 | — | No | LowNegligence | $123 | $123 |
| 9415457 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Nov 2018 | — | No | ModNegligence | $118 | $118 |
| 9415456 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Nov 2018 | — | No | LowNegligence | $118 | $118 |
| 9415455 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Nov 2018 | — | No | LowNegligence | $118 | $118 |
| 9366487 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | May 2018 | — | No | ModNegligence | $118 | $118 |
| 9366486 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | May 2018 | — | No | LowNegligence | $118 | $118 |
| 9366451 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Feb 2018 | — | No | LowNegligence | $118 | $118 |
| 9316769 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Jun 2017 | — | No | LowNegligence | $116 | $116 |
| 9316763 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Jun 2017 | — | No | ModNegligence | $116 | $116 |
| 9366330 | Weber Materials, Ltd Auglaize, OH contractor: Cornerstone Crushing, LLC | Dec 2017 | — | No | — | — | — |
Source: MSHA citation database. “Contractor” annotations indicate the cited party was on-site at the mine but not the mine’s operator -- responsibility attaches to the contractor LLC, not the mine’s owner. Section codes reference 30 CFR (the Mine Safety and Health regulations).
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for CORNERSTONE CRUSHING, LLC. Verify directly with National Labor Relations Board →
Visa & labor certification (OFLC) — historical
No H-1B, H-2A, or H-2B labor condition applications on file (historical data only — DOL ended OFLC publication) for CORNERSTONE CRUSHING, LLC. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for CORNERSTONE CRUSHING, LLC. Verify directly with Environmental Protection Agency →
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for CORNERSTONE CRUSHING, LLC. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2025-07-09 | Referral | 3 | 1 | $1,986 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Other employers in this industry and state
Other employers in other crushed and broken stone mining and quarrying within OH, ordered by federal enforcement volume:
- ROWE HOME SOLUTIONS, LLC.CANAL WINCHESTER — 1 federal enforcement record
Related searches
- Other Crushed and Broken Stone Mining and QuarryingAll employers in this industry
- Employers in OHState-wide enforcement data
- Other Crushed and in OHIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on CORNERSTONE CRUSHING, LLC from every major federal compliance and enforcement source plus the UVA Corporate Prosecution Registry. OSHA workplace safety inspections, WHD wage cases, MSHA mine safety, EPA environmental enforcement, NLRB labor relations, OFLC visa/labor certification, FMCSA motor carrier registration, SAM.gov debarments, CMS nursing-home records, BLS industry safety benchmarks, OSHA ITA self-reported injury rates, SEC enforcement and financial disclosures, CPSC and NHTSA recalls.
Establishments are matched across agencies using normalized employer name, state, and ZIP code.
OSHA citations typically appear 3–8 months after the inspection, so very recent enforcement actions may not yet be reflected. Profiles may be incomplete if the establishment operates under multiple legal names or files under variations our entity-matching rules don’t yet cover. To report a missing record or correction, email corrections@fastdol.com.
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Contact sales →Frequently asked
- What is CORNERSTONE CRUSHING, LLC's OSHA violation history?
- CORNERSTONE CRUSHING, LLC has 1 OSHA inspection on record with 3 violations and $1,986 in total penalties.
- How does CORNERSTONE CRUSHING, LLC's safety record compare to its industry?
- CORNERSTONE CRUSHING, LLC operates in the other crushed and broken stone mining and quarrying industry. The industry average Total Recordable Incident Rate (TRIR) is 1.8.