Company Description
Koppers Holdings Inc. provides treated wood products, wood preservation chemicals, and carbon compounds in the United States, Australasia, Europe, and internationally.
It operates through three segments: Railroad and Utility Products and Services; Performance Chemicals; and Carbon Materials and Chemicals.
The company procures and treats crossties, switch ties, and various types of lumber used for railroad bridges and crossings; offers utility products, including pressure treatment of transmission and distribution poles for electric and telephone utilities; untreated wood products and rail joint bars; provides railroad markets and inspection services to the utility markets; and operate a business related to the recovery of used crossties.
It also provides copper-based wood preservatives comprising micronized copper azole, micronized pigments, alkaline copper quaternary, amine copper azole, dichloro-octyl-isothiazolinone, chromated copper arsenate under the MicroPro and MicroShades brands for decking, fencing, utility poles, construction lumber and timbers, and various agricultural applications; and supplies fire-retardant chemicals under the FlamePro brand for pressure treatment of wood applications.
In addition, the company offers creosote for the treatment of wood or as a feedstock in the production of carbon black; carbon pitch, a raw material used in the production of aluminum and steel; naphthalene for use as a surfactant in the production of concrete; and carbon black feedstock.
It serves the railroad, specialty chemical, utility, residential lumber, agriculture, aluminum, steel, rubber, and construction sectors.
Koppers Holdings Inc. was founded in 1988 and is headquartered in Pittsburgh, Pennsylvania.
| Country | United States |
| Founded | 1988 |
| IPO Date | Feb 1, 2006 |
| Industry | Specialty Chemicals |
| Sector | Materials |
| Employees | 1,859 |
| CEO | Leroy Ball |
Contact Details
Address: 436 Seventh Avenue Pittsburgh, Pennsylvania 15219-1800 United States | |
| Phone | 412 227 2001 |
| Website | koppers.com |
Stock Details
| Ticker Symbol | KOP |
| Exchange | NYSE |
| Stock Type | Common Stock |
| Fiscal Year | January - December |
| Reporting Currency | USD |
| CIK Code | 0001315257 |
| CUSIP Number | 50060P106 |
| ISIN Number | US50060P1066 |
| Employer ID | 20-1878963 |
| SIC Code | 2400 |
Key Executives
| Name | Position |
|---|---|
| Leroy Mangus Ball Jr. | Chairman and Chief Executive Officer |
| James A. Sullivan | President and Chief Transformation Officer |
| Stephanie L. Apostolou | Chief Legal and Sustainability Officer and Secretary |
| Stephen G. Lucas | Senior Vice President of Culture and Engagement |
Latest SEC Filings
| Date | Type | Title |
|---|---|---|
| Mar 2, 2026 | 144 | Filing |
| Feb 26, 2026 | 10-K | Annual Report |
| Feb 26, 2026 | 8-K | Current Report |
| Jan 9, 2026 | 8-K | Current Report |
| Dec 3, 2025 | 8-K/A | [Amend] Current report |
| Nov 7, 2025 | 10-Q | Quarterly Report |
| Nov 7, 2025 | 8-K | Current Report |
| Nov 5, 2025 | 8-K | Current Report |
| Oct 31, 2025 | SCHEDULE 13G/A | Filing |
| Aug 15, 2025 | 144 | Filing |