About GIBRALTAR ROCK, INC.
Silvi Materials is a premier supplier of ready-mix concrete, cement, sand, stone, slag, and rock salt with a global reach, originating in Bucks County, PA, and serving companies, contractors, and homeowners since 1947.
Ready-mix concrete productionCement import and blendingSand sales with reliable uniformity of size and colorStone quarrying from mid-Atlantic mineral veinsSlag use as a recycled cementitious ingredientBulk salt and calcium chloride pellet distributionBreak bulk stevedoring, truck, rail, barge shipping, and bulk material storageQuality control for cement, slag, and salt sales
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Data compiled from public government sources including SAM.gov, USAspending.gov, and state procurement records. Last verified against federal award records. Inaccurate, or want this page removed? Request a correction or removal.