Over a century strong.

Our History

More than a century of evolution and growth.

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In the late 1800s, pioneer Henry Harrison Hunter mined and processed his first sand sample by hand near Berkeley Springs, West Virginia. Hunter entered this sand sample in the Chicago World's Fair. He won a blue ribbon and the medal of excellence for the sand's purity. A small plant was built to mine the deposit to produce silica sand for glass manufacturing.

The company as it exists today has undergone many developments over the years, including the merging of the Pennsylvania Glass Sand Corporation and Ottawa Silica Company to form what is now known as U.S. Silica Company. Today, we have more than 27 production facilities across the country. We upgrade our plants and equipment regularly, and invest in our employees to ensure that our knowledge base remains state-of-the-art.

1894

Pennsylvania Glass Sand (PGS) is organized

Pennsylvania Glass Sand History
1900

Ottawa Silica Company (OSC) is formed

Ottawa Truck Load Historical
1940s

PGS acquires Rockwood, Pacific, and Mill Creek

1986

PGS changes its name to U.S. Silica Company

1987

OSC merges with U.S. Silica and acquires Kosse, Dubberly, Hurtsboro and Columbia facilities

Kosse Texas Sand Mine
1990s

Acquires Montpelier, Jackson, and Mauricetown facilities

2008

U.S. Silica bought by Golden Gate Capital

2012

Launched Initial Public Offering

NYSE SLCA Bell Podium
2013

Built new facility in Sparta, WI

2016

U.S. Silica acquires Tyler, TX facility & Sandbox Logistics

Sandbox Logistics
2017

U.S. Silica acquires Festus, MO facility

2017

U.S. Silica acquires industrial roofing capability, cool roof granules

2018

U.S. Silica acquires EP Minerals

EP Minerals Acquisition
2018

Two new facilities built in Crane & Lamesa, TX

2019

Acquires Millen, GA facility

Millen, GA Plant
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