The nation's top 20 crushed stone producers : Pit & Quarry
The combined crushed stone production of the top 294 companies was 1.21 Gt, USGS adds, meaning 20 percent of the companies out there produced 89 percent of all crushed stone sales in 2016. *Became part of CRH in June 2018. **Became part of Martin Marietta in April 2018. Jason Christopher Willett is a crushed stone commodity specialist at USGS.