Establishment profile
SEMANO INC.
31757 KNAPP STREET, HAYWARD, CA, 94544
332813 — Electroplating, Plating, Polishing, Anodizing, and Coloring
Summary
SEMANO INC. has accumulated 51 OSHA violations across 5 inspections over 30 years of recorded history, with $51,140 in total assessed penalties.
The establishment sits in the 99th percentile for violations within its industry-state peer group of 356 employers. Inspection frequency runs at the 95th percentile. The most recent enforcement activity was recorded 1 year ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
SEMANO INC. appears in OSHA workplace safety and EPA environmental compliance records only. No matching records were found in WHD wage enforcement, MSHA mine safety, NLRB labor relations, OFLC visa and labor certification (historical), FMCSA motor carrier registration, SAM.gov federal debarment, CMS nursing home enforcement, 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. 20 distinct standards shown · 27 citations in this view · $44,200 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 3203 A | 3 | 3 | $735 | Jan 1996 | Jan 2008 |
| 5155(E)(1) | 2 | 2 | $7,085 | Jun 2017 | Oct 2025 |
| 5162 C | 2 | 2 | $2,675 | Jan 1996 | Jan 2008 |
| 5194 H01 | 2 | 2 | $810 | Mar 2000 | Jan 2008 |
| 5194 F04 | 2 | 2 | $635 | Jan 1996 | Jan 2008 |
| 461 A | 2 | 2 | $500 | Jan 1996 | Jan 2008 |
| 5151(B) | 1 | 1 | $9,000 | Jun 2017 | Jun 2017 |
| 5162(C) | 1 | 1 | $9,000 | Jun 2017 | Jun 2017 |
| 3480(A) | 1 | 1 | $3,600 | Jun 2017 | Jun 2017 |
| 5164 A | 1 | 1 | $1,800 | Jan 2008 | Jan 2008 |
| 29 CFR 2340.0001 | 1 | 1 | $1,800 | Jan 2008 | Jan 2008 |
| 5144(C) | 1 | 1 | $900 | Jun 2017 | Jun 2017 |
| 5530 A | 1 | 1 | $875 | Jan 1996 | Jan 1996 |
| 5143(A)(1) | 1 | 1 | $825 | Oct 2025 | Oct 2025 |
| 5143(A)(5) | 1 | 1 | $825 | Oct 2025 | Oct 2025 |
| 3301(A) | 1 | 1 | $700 | Jun 2017 | Jun 2017 |
| 3383(A) | 1 | 1 | $685 | Oct 2025 | Oct 2025 |
| 5162(E) | 1 | 1 | $600 | Jun 2017 | Jun 2017 |
| 5143(A) | 1 | 1 | $600 | Jun 2017 | Jun 2017 |
| 5155 E01 | 1 | 1 | $550 | Jan 2008 | Jan 2008 |
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 nearly every other employer in NAICS 3328 within CA. Peer group: 356 employers. This establishment has 51 OSHA violations; peer median is 5.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for SEMANO INC.. 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 SEMANO INC.. Verify directly with Occupational Safety and Health Administration →
OSHA accident events
Accidents, fatalities, and catastrophes documented during OSHA inspections at this employer. Each entry links to the inspection that recorded it.
| Date | Event | Injuries | Hospitalized | Fatalities | |
|---|---|---|---|---|---|
| Nov 5, 1999 | LUNG,MAINTENANCE,CLEANING,NAUSEA,DIZZINESS,CHEMICAL BURN,NITRIC ACID | 1 | — | — |
Source: OSHA accident investigations. Narratives are recorded by the inspecting officer and may be truncated.
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 SEMANO INC.. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
No MSHA mine safety violations on file for SEMANO INC.. Verify directly with Mine Safety and Health Administration →
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for SEMANO INC.. 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 SEMANO INC.. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
EPA Enforcement and Compliance History — Clean Air Act, Clean Water Act, RCRA, Safe Drinking Water Act. Status: No Violation Identified.
EPA-registered facilities
Every EPA ECHO facility associated with this employer, sorted most-significant first. Each row links to EPA’s Detailed Facility Report for the source-of-truth record. Permits column lists active programs (Air = Clean Air Act, Water = Clean Water Act, RCRA = hazardous waste, TRI = Toxics Release Inventory reporting). 1 facility.
| Facility | Permits | Status | Inspections | Formal actions | Penalties | Last inspected | ECHO |
|---|---|---|---|---|---|---|---|
SEMANO INC 31757 KNAPP ST · HAYWARD, CA, 94544 | WaterRCRA | No Violation Identified | 1 | 0 | — | May 2024 | View → |
Source: EPA ECHO (Enforcement and Compliance History Online). Compliance status follows EPA’s own labels (“Sig Violation” = significant noncompliance; QNCR = quarters of noncompliance over the recent reporting window). Inactive facilities (struck through) retain historical enforcement records even after operations ceased.
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2025-04-02 | Complaint | 8 | 1 | $10,160 | |
| 2016-12-28 | Complaint | 13 | 5 | $26,375 | |
| 2007-10-17 | Complaint | 19 | 3 | $10,460 | |
| 1999-12-29 | Accident | 3 | — | $895 | |
| 1995-12-06 | Complaint | 8 | 2 | $3,250 |
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 electroplating, plating, polishing, anodizing, and coloring within CA, ordered by federal enforcement volume:
- AUTOMATION PLATING CORPORATIONGLENDALE — 2 federal enforcement records
- HIXSON METAL FINISHINGNEWPORT BEACH — 2 federal enforcement records
- ALL METALS PROCESSING OF ORANGE COUNTY, LLCSTANTON — 2 federal enforcement records
- ASSOCIATED PLATING COMPANYSANTA FE SPRINGS — 2 federal enforcement records
- LA HABRA PLATING CO.LA HABRA — 2 federal enforcement records
- ALCO CAD-NICKEL PLATING CORPLOS ANGELES — 2 federal enforcement records
- PRECIOUS METALS PLATINGSANTA ANA — 2 federal enforcement records
- ANDRES TECHNICAL PLATING INCPLACENTIA — 2 federal enforcement records
- SERVICE PLATING CO., INC.LOS ANGELES — 2 federal enforcement records
- FINE QUALITY METAL FINISHING, INC.LONG BEACH — 2 federal enforcement records
Related searches
- Electroplating, Plating, Polishing, Anodizing, and ColoringAll employers in this industry
- Employers in CAState-wide enforcement data
- Electroplating, Plating, Polishing, in CAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on SEMANO INC. from every major federal compliance and enforcement source. 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 SEMANO INC.'s OSHA violation history?
- SEMANO INC. has 5 OSHA inspections on record with 51 violations and $51,140 in total penalties.
- How does SEMANO INC.'s safety record compare to its industry?
- SEMANO INC. operates in the electroplating, plating, polishing, anodizing, and coloring industry. The industry average Total Recordable Incident Rate (TRIR) is 4.1.