Warren Brothers, holders of the first patent of asphalt "Bitulithic" in the 1900s, built the first modern asphalt facility in Cambridge, MA. Ashland Oil acquired Warren Brothers in 1972 and in 1982 Ashland-Warren diversified into 26 regional divisions across the Southeastern United States, one of which is now APAC-Tennessee. In 2006 APAC-Tennessee became part of Oldcastle Materials Group, owned by Oldcastle Inc. a subsidiary of CRH, plc, the international building materials group. But while we are part of a large international company, we pride ourselves on our strong local relationships. Oldcastle operates with a decentralized, diversified structure, allowing APAC to work as a local company while leveraging the benefits of a large enterprise.

1998 brought about a joint venture with Patton-Tully Transporation Company to reopen and operate Brickeys Stone LLC quarry just south of St Louis, MO on the Mississippi River, this partnership allowed APAC-Tennesse to produce it's own aggregate for both the asphalt and concrete lines of business. In 2002 APAC-Tennessee acquired full interest in Brickeys Stone, dissolved the LCC and continues to own and operate the quarry to this day.

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