Establishment profile
MKS INSTRUMENTS
90 INDUSTRIAL WAY, WILMINGTON, MA, 01887
Operated by MKS Instruments, Inc · 1 of 7 establishments
334519 — Other Measuring and Controlling Device Manufacturing
EIN 042277512
Summary
MKS INSTRUMENTS has accumulated 10 OSHA violations across 2 inspections over 20 years of recorded history, with $9,440 in total assessed penalties.
The establishment sits in the 86th percentile for violations within its industry-state peer group of 77 employers. Inspection frequency runs at the 70th percentile. The most recent enforcement activity was recorded 17 years ago.
Federal records were found in 1 of 15 sources. Sources without matching records returned empty for this establishment.
Agency coverage
MKS INSTRUMENTS 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, with 2 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. 10 distinct standards shown · 10 citations in this view · $9,440 in penalties.
| CFR section | Citations | Inspections | Total penalty | First cited | Last cited |
|---|---|---|---|---|---|
| 29 CFR 1910.0335 A01 I | 1 | 1 | $2,250 | Jan 2009 | Jan 2009 |
| 29 CFR 1910.0332 B01 | 1 | 1 | $2,250 | Jan 2009 | Jan 2009 |
| 29 CFR 1910.0303 G02 I | 1 | 1 | $1,625 | Aug 2005 | Aug 2005 |
| 29 CFR 1910.0333 A | 1 | 1 | $1,625 | Aug 2005 | Aug 2005 |
| 29 CFR 1910.0147 C07 I | 1 | 1 | $940 | Jan 2009 | Jan 2009 |
| 29 CFR 1910.0147 C06 I | 1 | 1 | $750 | Jan 2009 | Jan 2009 |
| 29 CFR 1910.0335 A02 II | 1 | 1 | — | Jan 2009 | Jan 2009 |
| 29 CFR 1910.0333 A02 | 1 | 1 | — | Jan 2009 | Jan 2009 |
| 29 CFR 1910.0334 C03 | 1 | 1 | — | Jan 2009 | Jan 2009 |
| 29 CFR 1910.0335 A01 V | 1 | 1 | — | Jan 2009 | Jan 2009 |
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 3345 within MA. Peer group: 77 employers. This establishment has 10 OSHA violations; peer median is 1.
Safety self-report (OSHA 300A)
Recordable injury rates the employer filed with OSHA’s Injury Tracking Application. DART covers cases with days away, restricted, or transferred; TRIR is the total recordable case rate.
Reported for 147 average annual employees at this establishment.
Source: OSHA ITA Form 300A (employer self-reported). Rates are per 100 full-time equivalent workers. Establishments below the ~10-FTE threshold are not required to report.
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 MKS INSTRUMENTS. Verify directly with Occupational Safety and Health Administration →
Activity timeline
No federal enforcement activity has been recorded against this establishment in 17+ years. Most recent activity: 17 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 MKS INSTRUMENTS. Verify directly with Wage and Hour Division →
Mine safety (MSHA)
No MSHA mine safety violations on file for MKS INSTRUMENTS. Verify directly with Mine Safety and Health Administration →
Labor relations (NLRB)
No NLRB unfair labor practice charges or union representation cases on file for MKS INSTRUMENTS. 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 MKS INSTRUMENTS. Verify directly with Office of Foreign Labor Certification →
Environmental compliance (EPA)
No EPA inspections or formal enforcement actions on file for MKS INSTRUMENTS. 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 |
|---|---|---|---|---|---|---|---|
MKS INSTRUMENTS 90 INDUSTRIAL WAY · WILMINGTON, MA, 01887 | AirRCRA | No Violation Identified | 0 | 0 | — | Mar 2019 | 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 MKS INSTRUMENTS. Verify directly with UVA Corporate Prosecution Registry →
Inspection history
| Date | Trigger | Violations | Serious | Penalty | |
|---|---|---|---|---|---|
| 2008-07-25 | Referral | 8 | 8 | $6,190 | |
| 2005-06-23 | Referral | 2 | 2 | $3,250 |
Source: OSHA IMIS. Citation amounts reflect initially assessed penalties; final amounts after appeal may differ.
In the news
Part of a larger organization
MKS INSTRUMENTS is one of 7 establishments rolled up under the parent organization MKS Instruments, Inc.
Federal enforcement records on this page represent activity at this specific establishment only. The full enforcement footprint of MKS Instruments, Inc across all 7 of its tracked locations is viewable on the parent profile.
Other employers in this industry and state
Other employers in other measuring and controlling device manufacturing within MA, ordered by federal enforcement volume:
- ASSOCIATED ENVIRONMENTAL SYSTEMS, INC.AYER — 1 federal enforcement record
- THERMO ENVIRONMENTAL INSTRUMENTS, INC.FRANKLIN — 1 federal enforcement record
- MATEC INSTRUMENT COMPANIES, INC.NORTHBOROUGH — 1 federal enforcement record
- ADMET INCORPORATEDNORWOOD — 1 federal enforcement record
- LAVELLE MACHINEWESTFORD — 1 federal enforcement record
- TECHNICAL MANUFACTURING CORPORATIONPEABODY — 1 federal enforcement record
- HITEC PRODUCTS INC.AYER — 1 federal enforcement record
- ALCO MACHINE CORPORATIONBRAINTREE — 1 federal enforcement record
- TECHNICAL MANUFACTURING CORPORATION (TMC)PEABODY — 0 federal enforcement records
Other locations under this parent
Other establishments operated by MKS Instruments, Inc, ordered by federal enforcement volume:
- MKS INSTRUMENTS, INC.BROOMFIELD, CO — 1 federal enforcement record
Related searches
- All MKS Instruments, Inc locationsParent rollup
- Other Measuring and Controlling Device ManufacturingAll employers in this industry
- Employers in MAState-wide enforcement data
- Other Measuring and in MAIndustry × state cross-filter
About this data
This profile aggregates federal enforcement records on MKS INSTRUMENTS 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 MKS Instruments, Inc, which operates 7 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.
Need API access, bulk download, or licensed redistribution? The website is free. Programmatic and licensed access is handled separately.
Contact sales →Frequently asked
- What is MKS INSTRUMENTS's OSHA violation history?
- MKS INSTRUMENTS has 2 OSHA inspections on record with 10 violations and $9,440 in total penalties.
- How does MKS INSTRUMENTS's safety record compare to its industry?
- MKS INSTRUMENTS operates in the other measuring and controlling device manufacturing industry. The industry average Total Recordable Incident Rate (TRIR) is 1.2. MKS INSTRUMENTS's self-reported DART rate is 0 compared to an industry average of 0.9.