Diamond Materials, LLC, established in 1997 and based in Wilmington, Delaware, is a renowned heavy highway and site development contractor. Since its acquisition by the Pierson family in early 2000, the company has rapidly expanded its services and capacities, achieving a stellar reputation in the tri-state area of Delaware, New Jersey, and Pennsylvania. Diamond Materials focuses on a wide range of offerings, including asphalt production, soil cement stabilization, utility construction, marine services, on-site crushing and screening, cold in-place recycling, concrete curb and sidewalk installation, demolition, clearing and grubbing, milling, and comprehensive site development activities.
The company prides itself on a culture of strong work ethics and integrity, cultivated by the Pierson family, which has empowered its employees to flourish in an environment of growth and responsibility. With a workforce that has grown over the years from 80 to more than 400 dedicated individuals, Diamond Materials emphasizes safety, quality, and meticulous attention to detail. The adoption of advanced technology and sophisticated machinery allows them to deliver superior results consistently.
As they continue to grow, Diamond Materials remains committed to serving vital infrastructure projects across the tri-state region while fostering sustainable practices within their operations. Their extensive portfolio of completed and ongoing projects showcases their expertise and adaptability in handling various construction challenges, solidifying their standing as a top-tier contractor in the industry.
