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Summit Materials is a leading aggregates based construction materials company that supplies aggregates, cement, ready-mixed concrete and asphalt, and provides paving and other services. We are committed to promoting the success of our businesses by offering a safe place to work and implementing best practices, while striving to exceed our environmental and social responsibilities. Summit Materials was formed by its CEO Tom Hill and a small group of investors, including Blackstone Capital Partners (an affiliate of The Blackstone Group) and Silverhawk Capital Partners. Summit Materials completed its first acquisition in late 2009 and since then has closed on more than 60 acquisitions, which are organized into 12 operating companies in three divisions across the United States and western Canada.
General Plastics & Composites is a manufacturer of engineered components and turnkey products including composites, elastomers and/or metal for oilfield service companies worldwide.
Senneca Holdings is a diversified management and holding company focused on the specialty door industry. Senneca oversees the operations of its companies, allocates resources among them, and helps to improve the performance of its operations. Senneca s...