Allegheny Mineral is western Pennsylvania’s largest limestone construction aggregate, calcium carbonate-based industrial mineral filler, and aglime producer. Founded in 1941, Allegheny Mineral remains a third-generation, privately owned, family-operated business with strong community roots and a focus on environmentally responsible aggregate mining. With 6 strategic locations employing 200 individuals, Allegheny Mineral enjoys a strong presence in Pennsylvania, Ohio, and West Virginia. We recognize the value of strong customer support and relationships and are proud to live in the communities in which we work. And, we’re pleased to say our familiarity with the surrounding community enhances our ability to give customers the attention and resources they need to complete successful projects.