Providing Raw Materials to the Markets we Serve
Hammill & Gillespie was established in 1848 by James P. Hammill as an importer of Bath Brick, a low-fired material from England, used for polishing metal. Joined in 1871 by Frederick R. Gillespie, the product line expanded to ceramics and other industrial applications. Today, the business has steadily expanded to become a widely-admired supplier of clays and mineral products to American and international industry, with customers and suppliers on five continents.
Our Services
Our services include sourcing minerals and raw materials from leading international manufacturers. We provide custom mineral blends and sizing to meet the most varied and demanding requirements of industry. Our unique knowledge of processing ranges from custom milling, screening, and blending to re-packaging of raw materials, integrated sterilization, and meeting unique specifications. This means we can offer a simplified and condensed supply chain.
Logistics
In addition to sourcing minerals, Hammill & Gillespie has extensive knowledge in logistics. We can develop a cost-effective supply chain and maximize your shipping dollars. This knowledge extends to everywhere you do business, making transportation an important cost component of raw material.
Featured Products
Some of our featured products include Alternative Kaolin Solutions, Gillespie Borate, Groleg, AS-066 High Purity Quartz, HC-11 Cordierite, and Petalite. These products are designed to meet the specific needs of various industries, including ceramics, investment casting, refractories, and paint industries.

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