AZ
NORTHERN PIPELINE CONSTRUCTION CO. is a notable inspection in the AZ category. This page provides verified data from US Department of Labor — OSHA Enforcement Data (v4 API) (2026), helping you compare NORTHERN PIPELINE CONSTRUCTION CO. against similar inspections and make data-driven decisions.
E B HOLMES PLUMBING
AZ
INTREPID ENTERPRISES INC
AZ
VALENTINE MORTGAGE INC.
AZ
DOUBLE "A" CONSTRUCTORS INC
AZ
HARSKI INC DBA CHRISTIAN GLASS CO
AZ
| activity nr | 103,717,641 |
| reporting id | 0950411 |
| estab name | NORTHERN PIPELINE CONSTRUCTION CO. |
| site address | 4TH STREET & SOUTHERN AVE. |
| site city | PHOENIX |
| site state | AZ |
| site zip | 85202 |
| owner type | A |
| owner type label | Private |
| sic code | 1623 |
| naics code | 000000 |
| insp type | H |
| insp type label | Planned |
| insp scope | A |
| insp scope label | Complete |
| safety hlth | S |
| safety hlth label | Safety |
| union status | B |
| union status label | Non-union |
| nr in estab | 325 |
| open date | 1987-08-13 |
| close conf date | 1987-08-13 |
| close case date | 1987-12-08 |
| load dt | 2011-10-14 |
This OSHA inspection of NORTHERN PIPELINE CONSTRUCTION CO. in AZ opened on Aug 13, 1987 and closed after 4 months. The review was conducted as a programmed/planned review and focused on workplace safety conditions. Scope of the walk-around was complete. At the time of inspection, the establishment reported 325 employees on site.
The site of record for this inspection is listed below. Industry classification uses legacy SIC code 1623. Addresses reflect the establishment's location at the time of inspection.
The OSHA enforcement record shows 4 additional inspections of NORTHERN PIPELINE CONSTRUCTION CO. across 2 states. Repeat inspections at the same employer may reflect routine programmed reviews, multi-site presence, or follow-ups to earlier findings. Matches are exact on establishment name as recorded by the inspecting office.
| Opened | City | State | Type | Focus |
|---|---|---|---|---|
| Sep 29, 2008 | LAS VEGAS | NV | Accident | Safety |
| Dec 4, 2003 | YUMA | AZ | Planned | Health |
| Dec 7, 1999 | BISBEE | AZ | Planned | Safety |
| Apr 29, 1994 | PRESCOTT VALLEY | AZ | Planned | Safety |
In total, 2,435 OSHA inspections in AZ appear in this dataset. During 1987 alone, 210 inspections were recorded in the state — this inspection at NORTHERN PIPELINE CONSTRUCTION CO. is one of them. Enforcement volume varies year-over-year with OSHA staffing, federal priorities, and complaint inflow, so cross-year comparisons are most useful as a rough indicator of activity rather than a strict measure of risk.
This data helps you understand how NORTHERN PIPELINE CONSTRUCTION CO. compares to others in the AZ category. Use it to make informed decisions based on verified data from US Department of Labor — OSHA Enforcement Data (v4 API).
inspections with the closest data values to NORTHERN PIPELINE CONSTRUCTION CO.
The OSHAPeek editorial team aggregates and verifies inspections data from US Department of Labor — OSHA Enforcement Data (v4 API). Every statistic on this site is cross-referenced against the official source before publication, with quarterly re-verification cycles.
Read our full methodology or contact us with corrections.
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