The Tarmac Group, a wholly owned subsidiary of Anglo American plc, is the UK market leader in the supply of aggregates, mortar, concrete blocks and asphalt, and is number two in ready-mixed concrete. Tarmac employs more than 10,000 people across 600 locations in 12 countries with... more

CSR Limited (CSR) is one of Australia’s manufacturing companies with operations throughout Australia, as well as in Asia and New Zealand. Through its three principal businesses, the Company is a supplier of building products and sugar and holds an effective 25% interest in the Tomago... more

Oglebay Norton produces a variety of industrial minerals, ranging from crushed and graded limestone to value-added materials. Our primary minerals are limestone and industrial sands. Our quarries have extensive resources and the capacity to expand to meet demand.

Headwaters Incorporated (Headwaters) is a diversified company providing products, technologies and services in three industries: construction materials, coal combustion products (CCPs) and alternative energy. In the construction materials segment, Headwaters designs, manufactures, and... more

Garick, headquartered in Cleveland, Ohio, services the landscape, recreation, lawn, garden, and construction industries. Garick prides itself on its commitment to sustainability and environmental practices. Using organic and green waste streams, such as lawn and garden, food, agriculture,... more