Koppers Inc.
Koppers Inc. made 3 filings covering 3 positions in this release. Across them it filed wages of a median of $107,016 a year.
Green-card sponsorship
Koppers Inc. filed 1 permanent labour certification between 2026-04-13 and 2026-04-13, of which 1 was certified. That is the step an employment-based green card starts with, so this employer does sponsor them.
What it filed, by role and place
| Occupation | Where | Level | Wage year | Filings | Positions | Median | Prevailing |
|---|---|---|---|---|---|---|---|
| Industrial Engineers | Charlotte-Concord-Gastonia, NC-SC | Level III | 2025-26 | 1 | 1 | $103,043 | $103,043 |
| Materials Engineers | Atlanta-Sandy Springs-Roswell, GA | Level III | 2025-26 | 1 | 1 | $107,016 | $107,016 |
| Materials Scientists | Atlanta-Sandy Springs-Roswell, GA | Level IV | 2025-26 | 1 | 1 | $113,485 | $113,485 |
A wage is shown against the prevailing wage for the library year the filing itself cites, not the year current today — measured against the wrong year, a correctly-filed wage reads as underpaid.
Tell me when this employer files again
One email when Koppers Inc. appears in a new quarterly release, or files a permanent labour certification — which is the signal that it sponsors green cards.
Source: Office of Foreign Labor Certification disclosure data, US Department of Labor (public domain), and the OFLC prevailing wage library. Figures are what employers filed, not what they paid.