U.S. Silica Holdings

Produces commercial silica, a specialized mineral that is a critical input into a variety of applications, including its largest market: oil and gas proppants (frac sand). Has competencies in mining, processing, logistics and materials science.

2012 Inc. 5000 Rank:
# 4327
Leadership:
Bryan A. Shinn
Industry:
Manufacturing
Location:
FrederickMD 
Founded:
1902
Employees:
701

Previous Inc. 5000 Rankings 

MORE COMPANY INFORMATION

Website:
USSilica.com