NSSGA represents 90 percent of the crushed stone and 70 percent of the sand and gravel produced annually in the United States. The aggregates industry employs more than 100,000 men and women.

When the aggregates industry is thriving, the national economy is thriving. Aggregates are the building blocks of communities across the country and the infrastructure that connects them. 

Find more statistics and information on our Shareables page

Want to know statistics for a particular state? Check out our Aggregates State-by-State page

• In 2017, the Phoenix Center for Advanced Legal & Economic Public Policy Studies released a study on the positive impact a stone, sand or gravel operation has on jobs, tax revenues and other businesses.

• In 2025, the Phoenix Center for Advanced Legal & Economic Public Policy Studies updated the study and found that the aggregates industry is a significant contributor to the economic wellbeing of the United States, generating nearly $40 billion in sales annually.