NSA and NAA Merge
The boards of the National Stone Association (NSA) and National Aggregates Association (NAA) merge, forming the National Stone, Sand & Gravel Association (NSSGA). STONEPAC becomes ROCKPAC.


Merger Leadership
NSA Chairman Kim Snyder and NAA Chairman Mike Hayes lead the organizations through the merger process.
New NSSGA Leadership
NSA’s Joy Wilson Pinniger is named the first president & CEO and NAA’s Charlie Hawkins is named the first COO.



NSSGA Chair: Greg Bush, Linwood Mining & Minerals Corp.
First Annual Convention
NSSGA’s first Annual Convention is held in San Diego, CA.


Merger Steering Committee Honored
Members of the NSA-NAA Merger Steering Committee are selected individually, and collectively, as recipients of the fourth Barry K. Wendt Memorial Commitment Award.
NSSGA Chair: John Green, Standard Gravel Company, Inc.


Young Leaders 10th Anniversary
Young Leaders celebrates their 10th anniversary with membership reaching 160 participants.
NSSGA Chair: John Cramer, Casper Stolle Quarry & Contracting Company


NSSGA Chair: Steve Zalnack, Martin Marietta Materials
Industry Survey Published
NSSGA and Rock Products publish a survey on critical trends in the aggregates industry. The number one challenge producers say they face is fines management.


NSSGA Chair: Rick Feltes, Feltes Sand & Gravel Company, Inc.
SAFETEA-LU Becomes Law
The Safe, Accountable, Flexible, Efficient Transportation Equity Act: A Legacy for Users (SAFETEA-LU) is signed into law by President Bush, a significant advocacy win for the aggregates industry.


NSSGA Chair: Don James, Vulcan Materials Company
Inaugural Environmental Leadership Award
The first Environmental Leadership Award is awarded to Frank Mendola of Cemex. The award recognizes extraordinary contributions to the industry's environmental responsiveness.


NSSGA Chair: Louis Griesmer, Springfield Underground, Inc.
NSSGA Chair: Steve Sloan, Midwest Minerals, Inc.


NSSGA Chair: Gerald Geraghty, Rogers Group Inc.
NSSGA Chair: Bill Schneider, Knife River Corporation


AGG1 and World of Asphalt Co-Locate
NSSGA and the National Asphalt Pavement Association (NAPA) co-locate their events for the first time, hosting the “AGG1 Aggregates Forum & Expo and World of Asphalt Show & Conference” in Cincinnati, OH.
NSSGA Chair: Dave Thomey, Maryland Materials, Inc.


NSSGA Chair: Ron Summers, CalPortland Company
Industry Surpasses Two Billion Metric Tons of Material
The aggregates industry produces over two billion metric tons of material and contributes $40 billion to the U.S. GDP.


NSSGA Chair: C. Howard “Ward” Nye, Martin Marietta Materials
New NSSGA Leadership
Michael W. Johnson, IOM, is named president & CEO of NSSGA.


Inaugural Pit & Quarry Hall of Fame Class
Photo Credit: Pit & Quarry
The first class of the Pit & Quarry Hall of Fame is inducted.
NSSGA Chair: Paul Detwiler, III, New Enterprise Stone & Lime Co.


NSSGA Releases First Strategic Plan
NSSGA releases its first Rocks Build America three-year Strategic Plan.
NSSGA Membership Grows
NSSGA surpasses 400 total member companies.


NSSGA Chair: Charlie Luck IV, Luck Companies
FAST Act Becomes Law
The Fixing America’s Surface Transportation Act (FAST Act) is signed into law by President Obama, providing significant funding for infrastructure projects across the country.


NSSGA Chair: Hal Williford, Jr. Memphis Stone & Gravel Company
NSSGA Chair: Mark Helm, Dolese Bros. Co.


NSSGA Relocates
NSSGA moves its offices to our current location at 66 Canal Center Plaza in Alexandria, VA.
Inaugural Legislative & Policy Forum
NSSGA holds the first Legislative & Policy Forum in Washington, DC.


NSSGA Chair: Randy Lake, CRH Americas Materials
NSSGA Chair: Bob Weldon III, Weldon Materials, Inc.


Industrial Sand Division Joins NSSGA
NSSGA welcomes Industrial Sand Division members.
Inaugural Paul Mellott, Jr. Award for Political Excellence
The Paul Mellott, Jr. Award for Political Excellence is established and awarded to Paul Mellott, Jr., the first and longtime chair of ROCKPAC. This award recognizes an industry leader who promotes ROCKPAC and political advocacy.


Sterling Safety Awards Renamed to Honor Louis Griesemer
The Sterling Safety Award is renamed to the Louis Griesemer Sterling Safety Award to honor Louis Griesemer. This award recognizes NSSGA member companies with the lowest total accident incidence rate for the previous year.
Inaugural ROCKtober
NSSGA begins its annual campaign celebrating “ROCKtober” to showcase the industry’s positive impact to our nation.


NSSGA Chair: Darin Matson, Rogers Group Inc.
COVID-19 Shuts Down CONEXPO/CON-AGG
CONEXPO/CON-AGG concludes early as society began to deal with the COVID-19 pandemic.


NSSGA Enhances Member Communications
Member communications are tailored to specific interests and audiences.
Aggregates Industry Deemed Essential
NSSGA successfully advocated for the aggregates industry to be listed as essential by the Department of Homeland Security, allowing member company operations to continue work during pandemic lockdown conditions.


NSSGA Chair: Darin Matson, Rogers Group Inc.
Darin Matson becomes the first NSSGA chairman to serve a two-year term.
ROCKS Act Introduced
The Rebuilding Our Communities by Keeping Aggregates Sustainable Act (ROCKS Act) is introduced in Congress. The bill is later incorporated into the Infrastructure Investment and Jobs Act (IIJA).


Redesigned Website and Safety Shorts Podcast Launches
NSSGA launches a redesigned website and publishes the first episode of the Safety Shorts podcast.
IIJA Becomes Law
The Infrastructure Investment and Jobs Act (IIJA) is signed into law by President Biden. This is the largest infrastructure bill in our nation’s history, and NSSGA was on hand to witness this historic achievement.


NSSGA Chair: Karen Hubacz, Bond Construction
Karen Hubacz Serves as First Female Board Chair
Karen Hubacz becomes the first woman to chair NSSGA.


Young Leaders 30th Anniversary
NSSGA celebrates the 30th anniversary of Young Leaders, founded in 1992.
IRA Becomes Law
Congress passes the Inflation Reduction Act, and it’s signed into law by President Biden. This bill focuses on tax, healthcare and climate issues while including the goal to reduce carbon emissions by roughly 40 percent by 2030.


NSSGA Chair: Seth Hankowski, All States Materials
Sackett v. EPA Decision
The Supreme Court releases the Sackett v. EPA decision. The court struck down EPA’s efforts to expand its authority; calling the significant nexus test “particularly implausible” and held that EPA has “no statutory basis to impose it.”


NSSGA Chair: Jim Nickolas, Martin Marietta
NSSGA Receives EPA Grant for Environmental Product Declarations
NSSGA receives a $9.65 million grant from the EPA. NSSGA will help the aggregates industry produce Environmental Product Declarations, set guidelines for CO2 emission reduction and boost CO2 sequestration capacity.


AGG1 and WOA Set Attendance Records
AGG1 Aggregates Academy & Expo and World of Asphalt set records for attendance and square footage. The three-day event in Nashville attracts more than 15,800 participants, a 38% increase from 2022.
Congressional Aggregates Caucus Created
Rep. Nick Langworthy (NY) and Rep. Salud Carbajal (CA) establish the Congressional Aggregates Caucus to serve as an informal, bipartisan group to discuss industry challenges and policies affecting aggregates producers.



NSSGA Membership Grows
NSSGA surpasses 500 total member companies.
NSSGA Chair: Ted Baker, II, Blue Water Industries, LLC


NSSGA celebrates its 25th Anniversary!