OSHA Safety Grade
Grade A · DART 0.18
vs 5.41 same 2-digit NAICS sector (OSHA ITA 2022–2023, hours-weighted)
Transportation & Warehousing PA OSHA ITA WARN Act
Iron Mountain: WARN & Workforce Profile
Iron Mountain in PA (Transportation & Warehousing) is a safety-and-layoff profile: employer OSHA injury records plus 2 WARN notices, without current H-1B LCAs in this corpus.
Iron Mountain (PA): · OSHA Grade A (DART 0.18) · 2 WARN notices
According to DOL OFLC H-1B disclosures, OSHA ITA injury logs, and state WARN Act notices, Iron Mountain in PA carries no H-1B wage filings on record, a strong A OSHA safety grade and 2 WARN layoff notices on file. OSHA DART rate is safer than roughly 98% of 135,691 employers with an establishment injury record. Every figure is a federal filing, not an estimate; see methodology for coverage limits.
- Grade A OSHA
- 2 WARN
Layoff & federal record
According to U.S. Department of Labor, OSHA, and state WARN Act filings, Iron Mountain carries no H-1B wage filings on record, a strong A OSHA safety grade and 2 WARN layoff notices on file. In this corpus, OSHA DART rate is safer than roughly 98% of 135,691 employers with an establishment injury record, and WARN notice count sits below 1% of 290,575 employers (more notices elsewhere).
- 0
- H-1B filings
- Grade A
- OSHA safety
- 2
- WARN notices
Figures above come from this employer's OSHA injury log and state WARN notices; no H-1B LCAs are on file here.
WARN Workforce Impact
287 workers
2 WARN Act notices on file
Government Data Summary
| Field | Value | Source |
|---|---|---|
| Employer Name | Iron Mountain | OSHA / WARN |
| Industry | Transportation & Warehousing | NAICS / DOL |
| State | PA | U.S. Federal Records |
| OSHA Safety Grade | A | OSHA ITA |
| OSHA DART Rate | 0.18 | OSHA ITA Establishment Records |
| WARN Layoff Notices | 2 notice(s), 287 workers | WARN Act notices, state workforce agency originals (archival backstop: LayoffData.com) |
| Tracks not on file | H-1B LCAs | Empty by design, not estimated |
Iron Mountain's values above reflect the most recent OSHA Injury Tracking Application records, WARN Act notices on file for this employer in PA (Transportation & Warehousing).
What the Data Says About Iron Mountain
On workplace safety, Iron Mountain posted a DART (Days Away, Restricted, Transferred) rate of 0.18 injuries per 100 full-time workers, compared with the hours-weighted average of 5.41 for the same 2-digit NAICS sector in OSHA ITA 2022–2023 filings. Our composite grade of "A" is that employer-to-sector ratio (A ≤0.5× sector · B ≤0.8× · C ≤1.2× · D ≤1.8× · else F), so a job seeker can compare a hospital chain to a warehouse or a bank to a food processor without chasing down OSHA formulas. Across all years on file, OSHA logged 10 reportable injuries at this employer.
2 WARN Act notices affecting 287 workers have been filed against Iron Mountain in PA. Multiple notices can mean consolidations or broader restructuring; weigh them next to this employer's pay and safety signals, and the employer's own disclosures, when judging an offer.
For Iron Mountain, the standout public signal is WARN Act history (2 notices, ~287 workers named) filed in PA, with no current H-1B sponsorship window in this corpus.
OSHA Safety Record
Grade A DART Rate: 0.18 (same-NAICS-sector avg: 5.41)
This employer DART rate (lower is safer)
Same NAICS-sector average
Iron Mountain's DART rate (days away/restricted/transferred per 100 FTE) vs the hours-weighted 2-digit NAICS sector average from OSHA ITA 2022–2023 (Transportation & Warehousing).
Total reported injuries on file: 10.
WARN Act Layoff History
| Notice Date | Workers |
|---|---|
| 2021-07-01 | 137 |
| 2013-11-01 | 150 |
What to check before working with Iron Mountain
For Iron Mountain, pair WARN history (2 notices) with the OSHA safety record (grade A).
- Safety grade A reflects a DART rate read against the Transportation & Warehousing average of 5.41 - a relative benchmark, not an absolute verdict. How grades work
- 2 WARN layoff notices on file, review the timing before counting on job stability. Reading WARN notices
Iron Mountain's figures are legally filed public records (DOL, OSHA, state WARN), not reviews or vendor estimates; a missing row is not proof the underlying activity never happened.
Related
Retrieved and formatted by PlainEmployers.
Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from OSHA and the DOL Wage and Hour Division. Consult a qualified professional before making decisions based on this data.
Learn more: Safety Grades Explained | H-1B Salary Negotiation
Read our methodology - how this data is sourced, computed, and verified.
This profile is rendered directly from OSHA Injury Tracking Application records and state WARN Act layoff notices, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.