Is Pyrex Made in USA?
Last verified: March 2026 · Based on 14 verified products and public manufacturing evidence
Yes — Made in USA
Pyrex manufactures its products in the United States — specifically in Charleroi, PA. Our verification team confirmed this through public manufacturing claims, factory records, and product listings.
Verification Confidence
Average confidence score across 14 verified products — scores ≥70% are shown on this site.
Manufacturing Details
- Made in
- Charleroi, PA
- Headquarters
- Rosemont, IL
- Location detail
- Specific city confirmed
- History
- Long-established (50+ years)
- Founded
- 1915
Verification Evidence
Glass bakeware manufactured in Charleroi, PA since 1915 (now under World Kitchen). USA-made glass bakeware line.
About Pyrex
Pyrex glass bakeware has been made in the United States since 1915 and remains one of the most trusted names in American kitchens, known for its thermal durability and timeless utilitarian design.
Heritage & History
Pyrex was born from a practical experiment by Bessie Littleton in 1913. Her husband Jesse, a physicist at Corning Glass Works in Corning, New York, brought home a sawed-off battery jar made from Corning's new borosilicate glass. Bessie baked a sponge cake in it and found it cooked more evenly than her metal pan. By 1915, Corning had commercialized the concept and Pyrex glass bakeware entered American kitchens.
For decades, Pyrex was synonymous with borosilicate glass — a formulation that handles thermal shock far better than standard glass. The brand passed through several corporate owners over the century, and consumer-grade Pyrex sold in the United States today is made from tempered soda-lime glass, while laboratory Pyrex retains the original borosilicate formula.
American Manufacturing
Consumer Pyrex products — the measuring cups, baking dishes, and storage containers found in millions of American homes — are manufactured domestically at facilities operated by Corelle Brands in the United States. The Charleroi, Pennsylvania glass plant has been a cornerstone of Pyrex production for generations.
The classic Pyrex measuring cup, with its red lettering on clear glass, has remained essentially unchanged in form for over a century. It is a design so well resolved that it has never needed a redesign — the shape pours cleanly, the graduations read clearly, and the glass is heavy enough to feel authoritative without being cumbersome.
American-Made Pyrex Products
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Frequently Asked Questions
Is Pyrex made in the USA?
Yes. Pyrex is made in the United States, manufactured in Charleroi, PA. Glass bakeware manufactured in Charleroi, PA since 1915 (now under World Kitchen). USA-made glass bakeware line.
Where is Pyrex manufactured?
Pyrex manufactures its products in Charleroi, PA. The company is headquartered in Rosemont, IL.
Which Pyrex products are made in the USA?
We carry 14 verified American-made Pyrex products across Home & Kitchen. Every listing is linked directly to Amazon with verified manufacturing evidence.