Consistent filtration performance

Our durable sands and diatomaceous earth optimize flow rates.


Proven results in a wide array of industrial, municipal and residential applications.

Product Quality
Baby Drinking Water
Product Quality

Meeting the most stringent standards

  • Processed and sized according to the strictest quality assurance requirements
  • Consistency and uniform material provide repeatable, reliable performance
  • High-purity sands contain few trace elements (99%+ SiO2)

Contact us about our AWWA, ANSI, and NSF certified sands.

Product Selection
swimmers in pool
Product Selection

Array of products meet exacting specifications

  • Multiple particle size distributions available
  • Choose from an array of mesh sizes
  • Ability to customize and blend products provides even more options
Sand Under a Microscope

Engineered for higher performance

  • Long history of product innovations that add value 
  • More than just a mining company, we routinely invest in new technologies
  • Proprietary formulations allow our products to achieve what others can’t
Map of ISP Locations

Strategically Located Plants

  • Mulitple plants provide access to some of the finest silica sands
  • With multiple plants, chances are we have what you need when you need it
  • Diversity of plant locations helps ensure reliable, uninterrupted shipments 


Silica sands, gravels and engineered products available for an array of applications, including:

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