Trinity Products
Trinity Products specializes in steel fabrication and pipe supply, offering an extensive inventory of carbon, structural and high‑strength low‑alloy (HSLA) steel plate. Located at 3251 Harry S Truman Blvd, St Charles, MO 63301, United States, the company serves customers nationwide from six facilities and a workforce of roughly 245 employee‑owners.
Founded in 1979 as a steel‑pipe distributor for heavy civil construction, Trinity quickly added a fabrication shop and later expanded into sign‑pole and billboard structures. Today the business provides a broad selection of plate grades: low‑carbon (mild) steel, medium‑carbon steel, high‑carbon steel, as well as alloyed structural and HSLA grades that deliver higher yield and tensile strength, improved notch toughness and corrosion resistance. Typical applications include axle
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