All States Materials Group

ConExpo-Con/Agg attendees funnel into the Las Vegas Convention Center on the second day of the show. (Photo: P&Q Staff)

Gallery: Day 2 of ConExpo-Con/Agg 2026

P&Q Staff Published Mar 5, 2026

Check out an assortment of sights from the first days of the show. Keep Reading

Quarry Faces: September 2025

P&Q Staff Published Aug 21, 2025

Check out our gallery of photos from recent aggregate industry events. Keep Reading

Martin Marietta’s Jim Nickolas succeeds All States Materials Group’s Seth Hankowski as chairman of the National Stone, Sand & Gravel Association. Photo: NSSGA

Martin Marietta’s Nickolas named NSSGA board chair

Kevin Yanik Published Mar 26, 2024

The National Stone, Sand & Gravel Association (NSSGA) is turning to Jim Nickolas, executive vice president and CFO of Martin Marietta, to serve as chairman. Keep Reading

The Warren Brothers surprised members of the National Stone, Sand & Gravel Association on Sunday, playing some of the hit country songs they wrote over the years. Photo: NSSGA

NSSGA Annual Convention underway in Nashville

Kevin Yanik Published Mar 24, 2024

More than 700 attendees have convened in the Music City for the National Stone, Sand & Gravel Association’s (NSSGA) 2024 Annual Convention. Keep Reading