Welcome to Rinker Materials Corporation. Headquartered in West Palm Beach, Florida, Rinker Materials is one of the largest producers of heavy building materials in the United States with principal operations in Florida and Arizona plus additional operations in 29 states. Products manufactured include crushed stone, cement, concrete, concrete block, concrete pipe and asphalt. Rinker Materials employs over 10,000 people in the US and generated over $3 billion in revenue for its most recent fiscal year with approximately 40 per cent of that coming from its Florida businesses.