Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,196,991Inspections Most recent open 2026-08-24 Last loaded 2026-08-27

OSHA Inspection: MKS INTRUMENTS, INC.

Referral inspection · Safety discipline

On , OSHA opened a referral safety inspection of MKS INTRUMENTS, INC. in 55 FOUNDATION AVE SUITE 3, HAVERHILL, MA 01835 (NAICS 425110). OSHA activity number 349131144.

What this inspection record means

OSHA opens inspections for many reasons: routine scheduling under a national or local emphasis program, an employee complaint or referral, or a follow-up after a reported injury. Opening or conducting an inspection is not itself an allegation or a finding that this employer broke any rule; any findings appear as the citations listed below, and citations can be contested, reduced, or withdrawn.

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Site address
55 FOUNDATION AVE SUITE 3
City
HAVERHILL
State
MA
ZIP
01835
Mailing
55 FOUNDATION AVE SUITE 3, HAVERHILL, MA 01835
Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Safety
Advance notice
No
Union status
Non-union (B)
Opened
Closing conference
Last modified
Data loaded
NAICS code
425110
Employees
40
Ownership type
Private (A)

No citations on file for this inspection, so there is no finding of any violation on this record. An inspection can be open and still ongoing, or closed with no violations at all; OSHA's citation feed is also backfilled in rolling windows, so citation rows for a very recent inspection may not have been ingested yet.

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). OSHA publishes its own view of this case as inspection number 349131144.

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