Establishment profile
SEMCO INSTRUMENTS, INC.
25700 RYE CANYON ROAD, VALENCIA, CA, 91355
Operated by TransDigm Group INC · 1 of 59 establishments
334515 — Instrument Manufacturing for Measuring and Testing Electricity and Electrical Signals
Summary
SEMCO INSTRUMENTS, INC. has accumulated 5 OSHA violations across 1 inspection over 22 years of recorded history, with $6,555 in total assessed penalties.
The establishment sits in the 73rd percentile for violations within its industry-state peer group of 174 employers. The most recent enforcement activity was recorded 22 years ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
SEMCO INSTRUMENTS, INC. appears in OSHA workplace safety record only. No matching records were found in WHD wage enforcement, MSHA mine safety, 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. Single-agency enforcement records typically indicate either a discrete incident-based inspection or a low-risk operational profile.
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. 5 distinct standards shown · 5 citations in this view · $6,555 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 3382 A | 1 | 1 | $5,060 | Apr 2004 | Apr 2004 |
| 3203 A07 | 1 | 1 | $560 | Apr 2004 | Apr 2004 |
| 29 CFR 1430.0007 B03 | 1 | 1 | $375 | Apr 2004 | Apr 2004 |
| 3203 B02 | 1 | 1 | $375 | Apr 2004 | Apr 2004 |
| 29 CFR 2340.0016 A | 1 | 1 | $185 | Apr 2004 | Apr 2004 |
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 3345 within CA. Peer group: 174 employers. This establishment has 5 OSHA violations; peer median is 2.
Safety self-report (OSHA 300A)
No self-reported injury rates filed with OSHA's Injury Tracking Application for SEMCO INSTRUMENTS, 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 SEMCO INSTRUMENTS, INC.. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 22+ years. Most recent activity: 22 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 SEMCO INSTRUMENTS, INC.. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
No MSHA mine safety violations on file for SEMCO INSTRUMENTS, 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 SEMCO INSTRUMENTS, 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 SEMCO INSTRUMENTS, INC.. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for SEMCO INSTRUMENTS, INC.. Verify directly with Environmental Protection Agency →
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 |
|---|---|---|---|---|---|---|---|
SEMCO INSTRUMENTS INC 25702 RYE CANYON RD · VALENCIA, CA, 91355 | RCRA | No Violation Identified | 0 | 0 | — | — | 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.
Federal criminal prosecution record
No federal criminal prosecutions, plea agreements, or deferred-prosecution agreements on file for SEMCO INSTRUMENTS, INC.. Verify directly with UVA Corporate Prosecution Registry →
Federal contracts
This location
Consolidated across all USAspending recipient entities under this corporate parent — not attributable to this single location.
Federal contract dollars to this establishment. Primary NAICS: 334419 - OTHER ELECTRONIC COMPONENT MANUFACTURING. Last action: 2025-07-18. Source: USAspending.gov, net obligations. Recipient address is the SAM registration / HQ address, not necessarily the worksite.
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2003-10-29 | Accident | 5 | 1 | $6,555 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Part of a larger organization
SEMCO INSTRUMENTS, INC. is one of 59 establishments rolled up under the parent organization TransDigm Group INC.
Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of TransDigm Group INC across all 59 of its tracked locations is viewable on the parent profile.
Other employers in this industry and state
Other employers in instrument manufacturing for measuring and testing electricity and electrical signals within CA, ordered by federal enforcement volume:
- KEYSIGHT TECHNOLOGIES INC.SANTA ROSA — 1 federal enforcement record
- THERMAWAVE, INCFREMONT — 1 federal enforcement record
- CHROMA SYSTEMS SOLUTIONS, INC.FOOTHILL RANCH — 1 federal enforcement record
- POLARITY, INCRANCHO CORDOVA — 1 federal enforcement record
- PECO CONTROLS CORPMODESTO — 1 federal enforcement record
- ENERGY SOLUTIONS AND SERVICES, INC.BELLFLOWER — 1 federal enforcement record
Other locations under this parent
Other establishments operated by TransDigm Group INC, ordered by federal enforcement volume:
- HYTEK FINISHES COKENT, WA — 3 federal enforcement records
- SIMPLEX MANUFACTURING CO., INCAUBURN, NY — 1 federal enforcement record
- ARKWIN INDUSTRIES, INC.WESTBURY, NY — 1 federal enforcement record
- YOUNG & FRANKLIN TOOL WORKSLiverpool, NY — 1 federal enforcement record
- MASON ELECTRIC COMPANYSYLMAR, CA — 1 federal enforcement record
- TELAIR US LLCGOLDSBORO, NC — 1 federal enforcement record
- MASON ELECTRIC INCBRIGHTON, MI — 1 federal enforcement record
- NMC GROUPFARGO, ND — 1 federal enforcement record
- IRVIN AEROSPACE INCHOPE MILLS, NC — 1 federal enforcement record
- NORDISK AVIATION PRODUCTSORLANDO, FL — 1 federal enforcement record
Related searches
- All TransDigm Group INC locationsParent rollup
- Instrument Manufacturing for Measuring and Testing Electricity and Electrical SignalsAll employers in this industry
- Employers in CAState-wide enforcement data
- Instrument Manufacturing for in CAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on SEMCO INSTRUMENTS, INC. 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. This establishment resolves to the parent rollup TransDigm Group INC, which operates 59 establishments in our dataset.
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 SEMCO INSTRUMENTS, INC.'s OSHA violation history?
- SEMCO INSTRUMENTS, INC. has 1 OSHA inspection on record with 5 violations and $6,555 in total penalties.
- How does SEMCO INSTRUMENTS, INC.'s safety record compare to its industry?
- SEMCO INSTRUMENTS, INC. operates in the instrument manufacturing for measuring and testing electricity and electrical signals industry. The industry average Total Recordable Incident Rate (TRIR) is 0.9.