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NWPX vs SSD

NWPX Infrastructure, Inc. Common Stock and Simpson Manufacturing Co., Inc.

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NWPX Infrastructure, Inc. Common Stock

NWPX Infrastructure, Inc., together with its subsidiaries, engages in the manufacture and sale of water-related infrastructure products in North America and Canada. It operates through two segments, Engineered Steel Pressure Pipe (SPP) and Precast Infrastructure and Engineered Systems (Precast). The SPP segment provides large-diameter and high-pressure steel pipeline systems for use in water infrastructure applications, which are primarily related to drinking water systems. Its products are also used for hydroelectric power systems, wastewater systems, seismic resiliency, and other applications. In addition, this segment makes products for industrial plant piping systems and certain structural applications. The Precast segment offers stormwater and wastewater technology products, precast, and reinforced concrete products, including reinforced concrete pipe, manholes, box culverts, vaults and catch basins, pump lift stations, oil water separators, biofiltration units, steel casing pipes, and bar-wrapped concrete cylinder pipes, as well as pipeline system joints, fittings, specialized components, and other environmental and engineered solutions. The company sells its water infrastructure products under the ParkUSA, Geneva Pipe and Precast, Permalok, and Northwest Pipe Company brands primarily to installation contractors. The company was formerly known as Northwest Pipe Company and changed its name to NWPX Infrastructure, Inc. in June 2025. NWPX Infrastructure, Inc. was incorporated in 1966 and is headquartered in Vancouver, Washington.

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Simpson Manufacturing Co., Inc.

Simpson Manufacturing Co., Inc., through its subsidiaries, designs, engineers, manufactures, and sells structural solutions for wood, concrete, and steel connections in North America, Europe, and the Asia Pacific. The company offers connectors, holddowns, and truss connector plates; nails, screws, staples fasteners, and screw fastening systems; and pre-fabricated steel, wood shearwalls, anchor tiedown systems, and yield-link connections. It also provides adhesives, mechanical anchors, carbide drill bits, and powder-actuated pins and tools; grouts, coatings, sealers, mortars, fiberglass and fiber-reinforced polymer systems and asphalt products. In addition, the company offers engineering and design services, as well as software solutions. It markets its products to the residential construction, industrial, commercial and infrastructure construction, remodeling and do-it-yourself markets. The company was founded in 1956 and is headquartered in Pleasanton, California.

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