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Signal Peak Silica supplies frac sand for hydraulic fracturing in the oil and gas industry.
Founded in 2019 and based in Houston, US, Signal Peak Silica produces frac sand for oil and gas operators, including customers in the Permian Basin and Eagle Ford Shale. In June 2026, it was acquired by Iron Oak Energy Solutions LLC, a portfolio company of NGP and Blue Owl Capital. Financial terms were not disclosed.
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