Danny Shepherd

Oglebay Norton Co. LLC engages in mining, processing, transporting and marketing industrial minerals and aggregates. It provides aggregates and industrial minerals for applications in the building materials, environmental, energy and industrial markets. The company operates in three segments: Great Lakes Minerals, Global Stone and Performance Minerals. The Great Lakes Minerals segment mines and distributes limestone from facilities located in northern Michigan. The Global Stone segment supplies lime, crushed and ground limestone, construction aggregates and chemical limestone in the Great Lakes region. It's products are used as a filler in building materials, waste water treatment and soil stabilization and as an aggregate for construction of highways, shopping centers, hospitals and schools. Performance Minerals segment mines and processes industrial sands. The company was founded in 1854 and is headquartered in Cleveland, OH.

National Stone, Sand & Gravel Association is a non profit organization which advocates for the aggregates industry. It advances public policies that protect and expand the safe, environmentally responsible use of aggregates that build America’s infrastructure and economy. The company is headquartered in Alexandria, VA.

American Road & Transportation Builders Association is an association that focuses on growing transportation infrastructure. The private company is based in Washington. The CEO of the American company is Dave Bauer.

National Readymix Concrete Co. manufactures and supplies ready mixed concretes. It also provide concrete testing and inspections. The company was founded in 1977 and is headquartered in Dubai, the United States of Emirates.

GCP Applied Technologies, Inc. engages in the provision of construction products and technologies that include admixtures and additives. It operates through the Specialty Construction Chemicals, and Specialty Building Materials segments. The Specialty Construction Chemicals segment manufactures and markets concrete admixtures and cement additives, and supplies in-transit monitoring systems for concrete producers. The Specialty Building Materials segment offers sheet and liquid membrane systems and other products that protect both new and existing structures from water, air, and vapor penetration, as well as from fire damage. The company was founded on May 1, 2015 and is headquartered in Alpharetta, GA.