H-1B Filings
2
Established sponsor. DOL labor condition applications on file.
Wholesale Trade PA DOL H-1B OSHA ITA WARN Act
Koppers Inc.: Full Federal Profile
Koppers Inc. in PA (Wholesale Trade) shows all three federal tracks on this profile: 2 H-1B LCAs, an employer OSHA injury record, and 1 WARN notice.
Koppers Inc. (PA): · 2 H-1B LCAs at a $138,907 disclosed median · OSHA Grade A (DART 0.00) · 1 WARN notice
According to DOL OFLC H-1B disclosures, OSHA ITA injury logs, and state WARN Act notices, Koppers Inc. in PA carries 2 H-1B wage filings on record, a $138,907 median wage across 1 disclosed-wage positions (above the $124,488 national median), a strong A OSHA safety grade and 1 WARN layoff notice on file. Every figure is a federal filing, not an estimate; see methodology for coverage limits.
- 2 H-1B LCAs
- $138,907 median wage
- Grade A OSHA
- 1 WARN
Layoff & federal record
Compared with the rest of PlainEmployers' federal employer corpus, H-1B filing volume ranks #16,368 of 51,370 sponsors in this corpus (about the 52nd percentile), and disclosed median wage sits at the 61st percentile of 272,125 credible H-1B wage rows.
- 52nd pct
- H-1B filing rank
- 61st pct
- median wage rank
- 63%
- safer on DART than
- 3%
- fewer WARN notices than
Figures above come from DOL H-1B LCAs, this employer's OSHA injury log, and state WARN notices, three independent disclosure systems.
D
Federal workforce composite
46/100
4 of 4 federal tracks · Koppers Inc.
A weighted composite of DOL H-1B sponsorship and pay, OSHA establishment injury records, and WARN Act layoff notices, not culture, benefits, or "is this a good place to work." Missing tracks drop out and their weight redistributes so sparse records are not silently deflated.
Sponsorship scale C-
2 H-1B LCAs
#16,368 of 51,370 sponsors · 52nd percentile by volume (DOL OFLC)
Disclosed pay C+
$138,907 median
61st percentile of 272,125 credible H-1B wage rows
Workplace safety C+
OSHA Grade A · DART 0.00
Safer than 63% of 214,554 employers with an OSHA ITA record
Layoff stability F
1 WARN notice
Cleaner WARN history than 3% of 304,376 tracked employers (state workforce agencies)
Weights (redistributed when a track is N/A): Sponsorship scale (H-1B volume) 15% · Disclosed pay (H-1B wage percentile) 25% · Workplace safety (OSHA DART percentile) 35% · Layoff stability (WARN percentile) 25%. Sources: DOL OFLC · OSHA ITA · state WARN filings.
Median H-1B Salary
$138,907
Above national median. Across 1 disclosed positions
OSHA Safety Grade
Grade A · DART 0.00
Safer than industry average. vs 2.12 same 2-digit NAICS sector (OSHA ITA 2022–2023, hours-weighted)
WARN Workforce Impact
46 workers
Less stable than most peers. 1 WARN Act notice on file
Where Koppers Inc.'s H-1B wage sits nationally
Median disclosed wage vs. all US employers with H-1B filings
$138,907 Top 39% higher than 61% of 272,125 US employers
Each bar is a $20K-wide band; taller bars hold more US employers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
Source DOL Office of Foreign Labor Certification, H-1B Disclosure Data · August 2026
Government Data Summary
| Field | Value | Source |
|---|---|---|
| Employer Name | Koppers Inc. | DOL OFLC / OSHA / WARN |
| Industry | Wholesale Trade | NAICS / DOL |
| State | PA | U.S. Federal Records |
| H-1B Filings | 2 | DOL OFLC LCA Disclosure |
| H-1B Median Salary | $138,907 | DOL OFLC LCA Disclosure |
| OSHA Safety Grade | A | OSHA ITA |
| OSHA DART Rate | 0.00 | OSHA ITA Establishment Records |
| WARN Layoff Notices | 1 notice(s), 46 workers | WARN Act notices, state workforce agency originals (archival backstop: LayoffData.com) |
Koppers Inc.'s values above reflect the most recent DOL Labor Condition Applications, OSHA Injury Tracking Application records, WARN Act notices on file for this employer in PA (Wholesale Trade). In this corpus, H-1B filing volume ranks #16,368 of 51,370 sponsors in this corpus (about the 52nd percentile); disclosed median wage sits at the 61st percentile of 272,125 credible H-1B wage rows; OSHA DART rate is safer than roughly 63% of 214,554 employers with an establishment injury record.
H-1B Salary Data
| Job Title | Median |
|---|---|
| Enterprise Applications Manager | $138,907 |
What the Data Says About Koppers Inc.
Signature stat: filing momentum
Momentum is the headline: FY2025 filings (0) fell 100% from FY2024 (2), a steeper sponsorship pullback than most peers.
Safer than sector norm
OSHA logged reportable injuries at a DART rate of 0 against a 2.1 same-NAICS-sector average (Grade A).
WARN layoff history
1 WARN notice naming about 46 workers are on file in PA. Multiple notices can reflect consolidations — read them beside sponsorship and safety signals.
Dual-track profile
Koppers Inc. is one of the rarer profiles carrying both sponsorship volume (2 H-1B LCAs) and WARN history (1 notice) in the same public record (Wholesale Trade) in PA. Weigh those signals separately.
Typical disclosed pay
A $138,907 disclosed median lands near the middle of the wage distribution (61st percentile vs $124,488 nationally).
Mid-tier sponsorship volume
Koppers Inc. in PA (Wholesale Trade) carries 2 H-1B LCAs, of which 1 disclose a usable wage figure and a $138,907 disclosed median, middle-of-the-pack among sponsors tracked here.
How Koppers Inc. compares to Wholesale Trade peers
Koppers Inc.'s nearest H-1B-filing peers in Wholesale Trade (home state PA). Each card links to that employer's federal-records profile.
Koppers Inc.
2 H-1B filings
Medline Industries, LP
280 H-1B filings
EMC Corporation
182 H-1B filings
WARN Act Layoff History
| Notice Date | Workers |
|---|---|
| 2016-06-01 | 46 |
What to check before working with Koppers Inc.
Koppers Inc. needs a three-way read: H-1B pay (2 LCAs), safety (grade A), and WARN history (1 notice); none of those alone is the rating.
- H-1B median is $138,907 across 1 disclosed-wage positions (of 2 total filings), benchmark any offer against it and the metro prevailing wage. Compare with peers
- Safety grade A reflects a DART rate read against the Wholesale Trade average of 2.12 - a relative benchmark, not an absolute verdict. How grades work
- 1 WARN layoff notice on file, review the timing before counting on job stability. Reading WARN notices
Koppers Inc.'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.
Read with this employer
- Medline Industries, LP (IL) - 280 H-1B filings in the same Wholesale Trade roster
- EMC Corporation (TX) - 182 H-1B filings in the same Wholesale Trade roster
- Samsung Electronics America, Inc. (NJ) - 164 H-1B filings in the same Wholesale Trade roster
- Interpreting safety grades - how Koppers Inc.'s OSHA DART read is graded against its sector.
- Reading WARN notices - what Koppers Inc.'s layoff filings do and do not prove.
- H-1B salary negotiation - using disclosed wages like Koppers Inc.'s when you negotiate.
- Compare employers - put Koppers Inc. next to peers on pay, safety, and WARN.
- National H-1B & safety statistics - where Koppers Inc.'s #16,368 placement sits in the full federal roster.
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.
Frequently Asked Questions
Where does Koppers Inc.'s H-1B wage sit nationally?
Among 272,125 credible H-1B wage rows in this corpus, Koppers Inc.'s disclosed median of $138,907 sits at the 61st percentile (above the $124,488 national median). The chart above uses a COUNT-exact percentile (rows below this wage ÷ total), not an interpolated estimate.
How does Koppers Inc.'s H-1B filing volume compare to other sponsors?
Koppers Inc. has 2 H-1B filings on record, ranking #16,368 of 51,370 sponsors in this corpus (about the 52nd percentile by volume). Filing volume is a sponsorship signal, not a headcount or hiring-quality score.
What does Koppers Inc.'s OSHA safety grade mean?
Koppers Inc. carries Grade A from its establishment injury record (0 injuries on file; DART 0.00). That DART rate is safer than roughly 63% of 214,554 employers with an injury record in this corpus. Grades compare DART against industry averages, see the Interpreting Safety Grades guide.
Does Koppers Inc. have WARN layoff notices on file?
Yes - 1 WARN Act notice affecting about 46 workers appear in the state-agency corpus for this employer. WARN covers mass layoffs and plant closings that meet statutory thresholds; absence of notices is not a guarantee of stability.
Related guides: How OSHA safety grades are calculated · Using H-1B wage filings in salary negotiation
Read our methodology - how this data is sourced, computed, and verified.
This profile is rendered directly from DOL H-1B disclosure filings, 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.