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Diamond Materials, LLC. was founded in 1997 in Wilmington, DE as a heavy highway and site development company. The company purchased by the Pierson’s in early 2000 spent the next decade with the goal of becoming a more vertically integrated company and quickly earned the reputation as one of the premiere heavy highway and site development contractors in the tri-state area. Based on a culture instilled by the Pierson family of a strong work ethic and integrity, our work environment has thrived and empowered all employees to excel with opportunities for growth and development.Â
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Our culture coupled with our unwavering attention to safety, quality and detail, with the use of leading-edge technology and sophisticated machinery give us a unique ability to provide our customers with superior end results.Â
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