Koppers Highlights Sustainability Achievements Including Notable Greenhouse Gas Reduction


We are the largest provider of pressure-treated railroad crossties for Class I railroads in North America.

Train passing by

Our products ensure the safe, reliable movement of people and goods by rail.

Our wood treatment products not only help extend the lifespan of crossties by up to 40 years—they also help reduce deforestation, preserve natural carbon stores, and increase the overall reliability of wood products across various industries. Our product roster also includes bonded rail joints and track components for freight, transit, high-speed, and heavy haul needs. And, we offer railroad services, including engineering, design, repair, and inspection of railroad bridges within our North American Class I customer base.

Recovery Resources

Our circular solutions and vertical business model manage every part of the rail-tie lifecycle—from sourcing, treating, and supplying to end of life management.

Koppers Railroad Products
Our products play an integral role in consumer travel and the transport of goods across North America.
Pressure-Treated Products
We provide high-quality, creosote-treated crossties and switch ties to the rail industry, offering the durability, dependability, efficiency, and compatibility needed to keep things moving safely and reliably.
Tie Pre-Plating
By automating our process and ensuring precision and cost-effectiveness, we help eliminate traditional railroad-tie plating inefficiencies. We customize our solutions to any railroad’s specifications, always ensuring accuracy and flexibility.
Rail Joints & Track Components
We produce top-quality, customizable track components and rail joints in multiple sizes, including bolted insulated, bonded, and standard joints and gage plates. All products meet Buy America requirements. Learn more.

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Crossing Panels
Koppers produces crossing panels to meet various Class 1 specifications. Products include full depth timber crossings, inside the rail gage pieces, and outside the rail field pieces.
Bridge Timbers & Materials
Koppers sells bridge timbers and ties to meet customer specifications. We produce thousands of bridge timbers and can provide southern yellow pine, oak, and hardwood bridge timbers treated to different retentions and/or dual-treated materials.

Become a Supplier

Our extensive sawmill provider network allows us to purchase crossties and switch ties from more than 125 independently owned and operated sawmills. Our decades-long relationships with our trusted partners enable us to maintain a consistent supply.

To become a crosstie provider, please contact us

Railroad Structures

We offer our railroad customers a single, trusted source for their bridge rehabilitation and inspection needs.

Our Products
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Wood Enhancement

Wood Enhancement  

Preservative technology for pressure-treated lumber used in building, remodeling, and more.



Pressure-treated wood serving the railroad industry.

Utility & Industrial

Utility & Industrial  

Pressure-treated wood for utility, foundation, and construction infrastructure.