Safety Incidents OSHA Severe Injury Reports · 2015–2025
5,189,645Inspections Most recent open 2026-07-16 Last loaded 2026-07-20

CANONSBURG, PA —

OSHA Inspection: MARKWEST ENERGY PARTNERS, L.P.

Referral inspection · Health discipline

At a glance

On , OSHA opened a referral health inspection of MARKWEST ENERGY PARTNERS, L.P. in 4600 J BARRY COURT SUITE 500, CANONSBURG, PA 15317 (NAICS 221210). OSHA activity number 341147619.

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Where did this inspection happen?

Establishment
MARKWEST ENERGY PARTNERS, L.P.
Site address
4600 J BARRY COURT SUITE 500
City
CANONSBURG
State
PA
ZIP
15317
Mailing
4600 J BARRY COURT SUITE 500, CANONSBURG, PA 15317

What kind of inspection was it?

Inspection type
Referral (C)
Scope
Partial (B)
Discipline
Health
Advance notice
No
Union status
B

When did the case open and close?

Opened
Closing conference
Case closed
Last modified
Data loaded

Establishment context

NAICS code
221210
Employees
700
Ownership type
A

Citations

No citations on file for this inspection. OSHA's citation feed is backfilled in rolling windows; this inspection may have been closed without violations, or its citation rows may not have been ingested yet.

More inspections in this industry (NAICS 221210)

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Source

This record is reproduced from the U.S. Department of Labor Open Data API (OSHA inspection dataset). The original IMIS detail view is available at OSHA's Establishment Search for activity number 341147619.