Hammill & Gillespie provides consolidation of specialty clays and minerals to the industries we support.  Our unique ability to supply raw material in a range from raw ore to nano particles means we can provide the right solution for your business.  Our recycled alternatives provide options to those customers looking to reduce their environmental footprint.  We are large enough to get the job done, but small enough to care about every order.

H&G has the knowledge and contacts to source hard to find minerals and raw materials.  Our unique processing capabilities range from custom milling and blended products to specific formulations available for a wide breadth of markets.  Eliminating excess raw materials, integrated sterilization processing and repackaging to your specification means a simplifed and condensed supply chain.  Our combined services allow our customers to buy only what they need at volume pricing.   Green alternatives are just one more way H&G is working to provide choices to your to raw material sourcing needs.


  • Product Consolidation & Packaging
  • Reduction of Shipping Weights
  • Reduction of Inventory and Components
  • Simplification of Processing
  • Inventory Management
  • Custom Milling & Blending
  • Recycled Alternatives

Please contact one of our sales or technical professionals for more details on how H&G can provide product solutions to your raw material needs.


Hammill & Gillespie provides unique small batch processing services for non-metallic minerals, including proper sizing and particle distribution.  Since we process in small batches we are able to obtain results that larger scale process cannot.  Call us today for a consultation…(973) 822-8000

Dry Blending of Custom Formulations

Provide custom dry blending of clay and mineral formulations to your specification.

Particle Size Screening and Distribution

Screen dry materials to your requirements in meeting specific particle distribution or sizing.

Milling of Clays and Minerals

The combination of our milling and screening capability means you can achieve your exact properties each time.

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