Establishment profile
SIERRA READY MIX
4150 SMILEY ROAD, NORTH LAS VEGAS, NV, 89081
327320 — Ready-Mix Concrete Manufacturing
Summary
SIERRA READY MIX has accumulated 21 OSHA violations across 4 inspections over 31 years of recorded history, with $10,161 in total assessed penalties.
The establishment sits in the 88th percentile for violations within its industry-state peer group of 114 employers. Inspection frequency runs at the 81st percentile. The most recent enforcement activity was recorded 2 years ago.
Federal records were found in 3 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
SIERRA READY MIX appears in OSHA workplace safety, MSHA mine safety, NLRB labor relations, and FMCSA motor carrier registration records only. No matching records were found in WHD wage enforcement, EPA environmental compliance, OFLC visa and labor certification (historical), 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, with 4 inspections producing serious-or-greater 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. 19 distinct standards shown · 21 citations in this view · $10,161 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 29 CFR 1910.0132 D01 | 2 | 2 | — | May 1995 | Oct 2007 |
| 29 CFR 1910.1200 E01 I | 2 | 2 | — | May 1995 | Oct 2007 |
| LCB FILE NO. R069-20 (APPROVED AP | 1 | 1 | $3,771 | Sep 2024 | Sep 2024 |
| 29 CFR 1910.0106 G08 | 1 | 1 | $2,000 | Jul 2016 | Jul 2016 |
| 29 CFR 1910.1200 H01 | 1 | 1 | $2,000 | Jul 2016 | Jul 2016 |
| 29 CFR 1910.0215 B09 | 1 | 1 | $525 | Oct 2007 | Oct 2007 |
| NEVADA REVISED STATUTES 618.383(1 | 1 | 1 | $500 | Jul 2016 | Jul 2016 |
| 29 CFR 1910.0147 C04 I | 1 | 1 | $420 | Oct 2007 | Oct 2007 |
| 29 CFR 1910.0305 J02 VII | 1 | 1 | $315 | Oct 2007 | Oct 2007 |
| 29 CFR 1910.0151 C | 1 | 1 | $315 | May 1995 | May 1995 |
| 29 CFR 1910.0132 A | 1 | 1 | $315 | May 1995 | May 1995 |
| 29 CFR 1904.0032 A01 | 1 | 1 | — | Jul 2016 | Jul 2016 |
| 29 CFR 1910.0147 C06 I | 1 | 1 | — | Oct 2007 | Oct 2007 |
| 29 CFR 1910.0147 C07 I | 1 | 1 | — | Oct 2007 | Oct 2007 |
| 29 CFR 1910.0215 D03 | 1 | 1 | — | Oct 2007 | Oct 2007 |
| 29 CFR 1910.1200 F05 | 1 | 1 | — | Oct 2007 | Oct 2007 |
| 29 CFR 6180.38301 | 1 | 1 | — | Oct 2007 | Oct 2007 |
| 29 CFR 1910.0133 A01 | 1 | 1 | — | May 1995 | May 1995 |
| 29 CFR 1910.1200 E01 | 1 | 1 | — | May 1995 | May 1995 |
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
Worse on violations than most other employers in NAICS 3273 within NV. Peer group: 114 employers. This establishment has 21 OSHA violations; peer median is 3.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for SIERRA READY MIX. 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
No severe injury reports (hospitalization, amputation, or loss of an eye) on file under 29 CFR 1904.39 for SIERRA READY MIX. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 2+ years. Most recent activity: 2 years ago. Data on this page is refreshed weekly.
Wage & Hour Division (WHD)
No WHD wage, overtime, or child-labor enforcement cases on file for SIERRA READY MIX. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
Company-level in NV — for SIERRA READY MIX, 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 SIERRA READY MIX 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. 100 citations · 36S&S · $73,805 proposed / $62,568 paid.
| Citation | Mine | Date | Section | S&S | Negligence | Proposed | Paid |
|---|---|---|---|---|---|---|---|
| 3915835 | Sierra Ready Mix Quarry Clark, NV | Sep 2023 | — | Yes | HighNegligence | $10,810 | $10,810 |
| 8694651 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | Yes | HighNegligence | $9,211 | $1,372 |
| 9506232 | Sierra Ready Mix Quarry Clark, NV | Jun 2021 | — | Yes | LowNegligence | $3,616 | $1,917 |
| 9506231 | Sierra Ready Mix Quarry Clark, NV | Jun 2021 | — | Yes | LowNegligence | $3,616 | $1,917 |
| 8694662 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | Yes | ModNegligence | $2,561 | $2,561 |
| 9509837 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | Yes | ModNegligence | $2,311 | $2,311 |
| 8871217 | Sierra Ready Mix Quarry Clark, NV | Dec 2014 | — | Yes | ModNegligence | $2,106 | $2,106 |
| 8592399 | Sierra Ready Mix Quarry Clark, NV | Mar 2021 | — | Yes | ModNegligence | $1,624 | $1,624 |
| 9686818 | Sierra Ready Mix Quarry Clark, NV | Jan 2025 | — | Yes | ModNegligence | $1,431 | $1,431 |
| 9686816 | Sierra Ready Mix Quarry Clark, NV | Jan 2025 | — | Yes | ModNegligence | $1,431 | $1,431 |
| 9500800 | Sierra Ready Mix Quarry Clark, NV | Mar 2021 | — | Yes | ModNegligence | $1,385 | $1,385 |
| 8694659 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | Yes | LowNegligence | $1,246 | $1,246 |
| 8694649 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | HighNegligence | $1,246 | $1,246 |
| 8694647 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $1,246 | $1,246 |
| 8694646 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | Yes | LowNegligence | $1,246 | $1,246 |
| 8783118 | Sierra Ready Mix Quarry Clark, NV | Feb 2014 | — | Yes | ModNegligence | $1,026 | $1,026 |
| 9509841 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | Yes | HighNegligence | $797 | $797 |
| 9509839 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | Yes | HighNegligence | $797 | $797 |
| 9430559 | Sierra Ready Mix Quarry Clark, NV | Dec 2019 | — | Yes | LowNegligence | $782 | $782 |
| 9431594 | Sierra Ready Mix Quarry Clark, NV | Sep 2019 | — | Yes | ModNegligence | $654 | $654 |
| 8783840 | Sierra Ready Mix Quarry Clark, NV | Sep 2014 | — | No | HighNegligence | $634 | $634 |
| 9430754 | Sierra Ready Mix Quarry Clark, NV | Jul 2020 | — | No | ModNegligence | $615 | $615 |
| 8694657 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $558 | $558 |
| 8694656 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $558 | $558 |
| 8694655 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $558 | $558 |
| 8694644 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $558 | $558 |
| 8694645 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $558 | $558 |
| 9374636 | Sierra Ready Mix Quarry Clark, NV | Mar 2018 | — | Yes | ModNegligence | $558 | $558 |
| 9509843 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | Yes | ModNegligence | $535 | $535 |
| 9509842 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | Yes | ModNegligence | $535 | $535 |
| 8694661 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $518 | $518 |
| 9686882 | Sierra Ready Mix Quarry Clark, NV | Apr 2025 | — | No | ModNegligence | $504 | $504 |
| 8989658 | Sierra Ready Mix Quarry Clark, NV | Jul 2017 | — | Yes | ModNegligence | $502 | $502 |
| 7954397 | Sierra Ready Mix Quarry Clark, NV | Aug 2021 | — | Yes | ModNegligence | $487 | $487 |
| 8783120 | Sierra Ready Mix Quarry Clark, NV | Feb 2014 | — | Yes | ModNegligence | $460 | $460 |
| 8783119 | Sierra Ready Mix Quarry Clark, NV | Feb 2014 | — | Yes | ModNegligence | $460 | $460 |
| 9430264 | Sierra Ready Mix Quarry Clark, NV | Feb 2019 | — | No | LowNegligence | $440 | $440 |
| 9430263 | Sierra Ready Mix Quarry Clark, NV | Feb 2019 | — | No | LowNegligence | $440 | $440 |
| 8875476 | Sierra Ready Mix Quarry Clark, NV | Jan 2016 | — | No | ModNegligence | $425 | $425 |
| 8871218 | Sierra Ready Mix Quarry Clark, NV | Dec 2014 | — | No | ModNegligence | $425 | $425 |
| 8783842 | Sierra Ready Mix Quarry Clark, NV | Sep 2014 | — | No | HighNegligence | $425 | $425 |
| 8717549 | Sierra Ready Mix Quarry Clark, NV | Aug 2013 | — | No | ModNegligence | $425 | $425 |
| 8557935 | Sierra Ready Mix Quarry Clark, NV | Feb 2011 | — | Yes | HighNegligence | $392 | $392 |
| 8557933 | Sierra Ready Mix Quarry Clark, NV | Feb 2011 | — | Yes | HighNegligence | $392 | $392 |
| 8694654 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $376 | $376 |
| 8694653 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $376 | $376 |
| 8694652 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $376 | $376 |
| 8694650 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $376 | $376 |
| 8694658 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $376 | $376 |
| 8694648 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $376 | $376 |
| 8694643 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | ModNegligence | $376 | $376 |
| 9430557 | Sierra Ready Mix Quarry Clark, NV | Dec 2019 | — | No | ModNegligence | $351 | $351 |
| 9374775 | Sierra Ready Mix Quarry Clark, NV | Sep 2018 | — | No | ModNegligence | $336 | $336 |
| 8592398 | Sierra Ready Mix Quarry Clark, NV | Mar 2021 | — | No | ModNegligence | $328 | $328 |
| 8592397 | Sierra Ready Mix Quarry Clark, NV | Mar 2021 | — | No | ModNegligence | $328 | $328 |
| 8783122 | Sierra Ready Mix Quarry Clark, NV | Feb 2014 | — | No | HighNegligence | $308 | $308 |
| 8783117 | Sierra Ready Mix Quarry Clark, NV | Feb 2014 | — | No | HighNegligence | $308 | $308 |
| 8695219 | Sierra Ready Mix Quarry Clark, NV | Mar 2013 | — | Yes | HighNegligence | $285 | $285 |
| 9430755 | Sierra Ready Mix Quarry Clark, NV | Jul 2020 | — | No | ModNegligence | $275 | $275 |
| 8566127 | Sierra Ready Mix Quarry Clark, NV | Sep 2010 | — | Yes | HighNegligence | $263 | $263 |
| 8557428 | Sierra Ready Mix Quarry Clark, NV | Mar 2010 | — | Yes | ModNegligence | $263 | $263 |
| 9614640 | Sierra Ready Mix Quarry Clark, NV | Jan 2023 | — | Yes | ModNegligence | $252 | $252 |
| 9430560 | Sierra Ready Mix Quarry Clark, NV | Dec 2019 | — | No | ModNegligence | $234 | $234 |
| 9430558 | Sierra Ready Mix Quarry Clark, NV | Dec 2019 | — | No | ModNegligence | $234 | $234 |
| 9430555 | Sierra Ready Mix Quarry Clark, NV | Dec 2019 | — | No | ModNegligence | $230 | $230 |
| 9686881 | Sierra Ready Mix Quarry Clark, NV | Apr 2025 | — | No | LowNegligence | $226 | $226 |
| 9686880 | Sierra Ready Mix Quarry Clark, NV | Apr 2025 | — | No | ModNegligence | $226 | $226 |
| 9686820 | Sierra Ready Mix Quarry Clark, NV | Jan 2025 | — | No | ModNegligence | $226 | $226 |
| 9374778 | Sierra Ready Mix Quarry Clark, NV | Sep 2018 | — | No | ModNegligence | $225 | $225 |
| 9374777 | Sierra Ready Mix Quarry Clark, NV | Sep 2018 | — | No | ModNegligence | $225 | $225 |
| 9374776 | Sierra Ready Mix Quarry Clark, NV | Sep 2018 | — | No | ModNegligence | $225 | $225 |
| 9374774 | Sierra Ready Mix Quarry Clark, NV | Sep 2018 | — | No | ModNegligence | $225 | $225 |
| 8989661 | Sierra Ready Mix Quarry Clark, NV | Jul 2017 | — | Yes | ModNegligence | $225 | $225 |
| 8989659 | Sierra Ready Mix Quarry Clark, NV | Jul 2017 | — | Yes | ModNegligence | $225 | $225 |
| 9430757 | Sierra Ready Mix Quarry Clark, NV | Jul 2020 | — | No | ModNegligence | $206 | $206 |
| 8783841 | Sierra Ready Mix Quarry Clark, NV | Sep 2014 | — | No | LowNegligence | $190 | $190 |
| 8717547 | Sierra Ready Mix Quarry Clark, NV | Aug 2013 | — | No | ModNegligence | $190 | $190 |
| 5103339 | Sierra Ready Mix Quarry Clark, NV | Oct 2025 | — | No | ModNegligence | $168 | $168 |
| 9509840 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | Yes | ModNegligence | $161 | $161 |
| 9509838 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | Yes | ModNegligence | $161 | $161 |
| 9509836 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | No | HighNegligence | $161 | $161 |
| 5103343 | Sierra Ready Mix Quarry Clark, NV | Oct 2025 | — | No | ModNegligence | $151 | $151 |
| 5103342 | Sierra Ready Mix Quarry Clark, NV | Oct 2025 | — | No | ModNegligence | $151 | $151 |
| 5103341 | Sierra Ready Mix Quarry Clark, NV | Oct 2025 | — | No | ModNegligence | $151 | $151 |
| 5103340 | Sierra Ready Mix Quarry Clark, NV | Oct 2025 | — | No | ModNegligence | $151 | $151 |
| 5103338 | Sierra Ready Mix Quarry Clark, NV | Oct 2025 | — | No | ModNegligence | $151 | $151 |
| 5103337 | Sierra Ready Mix Quarry Clark, NV | Oct 2025 | — | No | ModNegligence | $151 | $151 |
| 9686819 | Sierra Ready Mix Quarry Clark, NV | Jan 2025 | — | No | LowNegligence | $151 | $151 |
| 9686817 | Sierra Ready Mix Quarry Clark, NV | Jan 2025 | — | No | ModNegligence | $151 | $151 |
| 8566361 | Sierra Ready Mix Quarry Clark, NV | Sep 2024 | — | No | ModNegligence | $147 | $147 |
| 9509846 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | No | HighNegligence | $147 | $147 |
| 9509845 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | No | ModNegligence | $147 | $147 |
| 9509844 | Sierra Ready Mix Quarry Clark, NV | Aug 2024 | — | No | ModNegligence | $147 | $147 |
| 9686325 | Sierra Ready Mix Quarry Clark, NV | Mar 2024 | — | No | ModNegligence | $147 | $147 |
| 9686324 | Sierra Ready Mix Quarry Clark, NV | Mar 2024 | — | No | LowNegligence | $147 | $147 |
| 9686323 | Sierra Ready Mix Quarry Clark, NV | Mar 2024 | — | Yes | LowNegligence | $147 | $147 |
| 8694660 | Sierra Ready Mix Quarry Clark, NV | Aug 2023 | — | No | LowNegligence | $143 | $143 |
| 9614641 | Sierra Ready Mix Quarry Clark, NV | Jan 2023 | — | No | ModNegligence | $143 | $143 |
| 9614639 | Sierra Ready Mix Quarry Clark, NV | Jan 2023 | — | No | ModNegligence | $143 | $143 |
| 9614638 | Sierra Ready Mix Quarry Clark, NV | Jan 2023 | — | No | LowNegligence | $143 | $143 |
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)
Company-level in NV — for SIERRA READY MIX, not this location alone
National Labor Relations Board — unfair labor practice charges and union representation cases. The NLRB records cases at the company/regional level (no worksite address), so these are matched by company name and state and may span other SIERRA READY MIX locations in the same state.
NLRB cases
National Labor Relations Board cases involving this employer. Includes unfair labor practice (ULP) filings and representation election proceedings. NLRB enforcement is process-driven; no per-case monetary penalty is assessed (remedies are case-by-case backpay orders, posting requirements, election re-runs, etc.). 1 case · 1 ULP
| Case number | Type | Filed | Closed | Status | Region |
|---|---|---|---|---|---|
| 28-CA-387077 | Unfair labor practice | May 2026 | — | Open | Region 28, Phoenix, Arizona |
Source: NLRB case files. Rows shown are those the agency has published. Region numbers (1–31) correspond to NLRB's geographic offices.
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 SIERRA READY MIX. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for SIERRA READY MIX. Verify directly with Environmental Protection Agency →
Motor carrier safety (FMCSA)
Federal Motor Carrier Safety Administration — DOT-regulated carrier registration and fleet data.
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for SIERRA READY MIX. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2024-04-25 | Planned | 1 | 1 | $3,771 | |
| 2016-03-19 | Accident | 4 | 2 | $4,500 | |
| 2007-09-27 | Planned | 10 | 6 | $1,260 | |
| 1995-01-05 | Complaint | 6 | 4 | $630 |
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 ready-mix concrete manufacturing within NV, ordered by federal enforcement volume:
- CEMEX CONSTRUCTION MATERIALS PACIFIC LLCRENO — 3 federal enforcement records
- CEMEXMESQUITE — 3 federal enforcement records
- CEMEXRENO — 3 federal enforcement records
- RINKER MATERIALS WEST, LLCLAS VEGAS — 3 federal enforcement records
- CEMEX CONSTRUCTION MATERIALS PACIFICNORTH LAS VEGAS — 3 federal enforcement records
- Modern Concrete, Inc.Elko — 2 federal enforcement records
- 3D CONCRETESPARKS — 2 federal enforcement records
- HISKETT & SONS LLCFALLON — 2 federal enforcement records
- SERVICE ROCK PRODUCTS CORPORATIONLAS VEGAS — 2 federal enforcement records
- 3D CONCRETE LLCSPARKS — 2 federal enforcement records
Related searches
- Ready-Mix Concrete ManufacturingAll employers in this industry
- Employers in NVState-wide enforcement data
- Ready-Mix Concrete Manufacturing in NVIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on SIERRA READY MIX 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 SIERRA READY MIX's OSHA violation history?
- SIERRA READY MIX has 4 OSHA inspections on record with 21 violations and $10,161 in total penalties.
- How does SIERRA READY MIX's safety record compare to its industry?
- SIERRA READY MIX operates in the ready-mix concrete manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 2.5.