Made in the USA
Made in the USA 
Borosilicate Glass Manufacturer of Lenses, Reflectors, Refractors

Borosilicate Glass Manufacturer

Jeannette Specialty Glass is an American manufacturer of standard and custom borosilicate glass products for industrial, commercial, and residential applications. Products range from lighting, scientific equipment, marine glass, and explosion-proof globes. JSG’s patented glass is heat, chemical, stain and thermal shock resistant. Stock products available or allow JSG to design for you and manufacture your designs. Need a large order? At JSG, we have ample capacity for high volume production, stocking programs, and just-in-time shipping.

Finishing capabilities such as core drilling, heat strengthening, sand blasting, waterjet cutting, and coatings are also offered.


Switch your glass supplier to Jeannette Specialty Glass. Here are some reasons to reshore or work with us on your next project:

  • Reduce the Total Cost of Ownership
  • Reduce lead time to market
  • Improve product quality
  • Access to skilled workforce
  • Wage inflation and currency change of host country
  • Reduce freight costs
  • Reduce inventory
  • Improve brand image "Made in the USA"
  • Reduce intellectual property and supply chain interruption risks
  • Enhance innovation by clustering manufacturing near R&D facilities

Contact JSG today to learn more, or visit our request a quote form.

Over 100 Years of Quality in Borosilicate Glass Manufacturing

Round Lenses from Jeannette Specialty GlassJeannette Specialty Glass leads the glass manufacturing industry with its unique "Hard Roc" borosilicate glass formula and our capability to meet the needs of commercial, industrial, OEM, and military specifications.

Learn why the most demanding projects choose JSG for everything from scientific glass and street lighting products to custom mould work.  Please visit our glass products page, or request a quote today.

In-Stock Specialty Borosilicate Glass

We offer in-stock selections and fast turnarounds on a variety of high-performance specialty glass, including Fresnel lenses, refractors and reflectors, wall packs and luminaries, street lighting, indoor lighting, LED lenses, scientific equipment, theatre lighting, and more.

Custom Borosilicate Glass Solutions

From specialized medical lighting lenses to glass semi-balls for underwater exploration, custom glass is our specialty.

  • Superior heat resistance and durability
  • Environmental and chemical corrosion resistance
  • Pressed glass specialists working with unique glass formulas
  • From landmarks and monuments to mission critical projects, our experience speaks for itself

At Jeannette Specialty Glass, we are both a borosilicate glass manufacturer with over a century of experience and 21st century innovators meeting the high-tech glass needs of a nation rebuilding its economy.  For competitive quotes and dependable delivery contact Jeannette Specialty Glass today.   

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