NWPX Infrastructure, Inc.

Unless otherwise indicated, the terms the Company, NWPX Infrastructure, we, our, and us are used in this 2025 Form 10 K to refer to NWPX Infrastructure, Inc. or one of our consolidated subsidiaries or to all of them taken as a whole. We were incorporated in the State of Oregon in 1966. Overview NWPX Infrastructure, Inc., formerly known as Northwest Pipe Company, is a leading manufacturer of water-related infrastructure products, and operates in two segments, Water Transmission Systems ( WTS ), operating as the Northwest Pipe Company brand, and Precast Infrastructure and Engineered Systems ( Precast ), which includes the brands NWPX Geneva and NWPX Park. Under the Northwest Pipe Company brand, we are the largest manufacturer of engineered water transmission systems in North America and produce steel casing pipe, bar-wrapped concrete cylinder pipe, and pipeline system joints and fittings. We also provide solution-based products for a wide range of markets including high-quality reinforced precast concrete products, lined precast sanitary sewer system structures, water distribution and management equipment including pump lift stations, wastewater pretreatment, and stormwater quality products. We have broadened our manufacturing footprint by bringing lined and engineered precast products into production at additional facilities. This increases our capacity and improves regional availability.