Process directory1 company

Heat treating companies in Illinois

Find heat treating companies in Illinois, ranked by process fit, coverage, and confidence.

Heat treatingIllinois

Verified and estimated facility points

Green pins show verified facility points. Soft red halos show estimated city- or metro-level points. The public map starts on the contiguous U.S.

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Company matches

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1 company
Supplier + processingEstimatedRegional coverage

Chicago Tempered Glass

Chicago Tempered Glass Inc., based in Chicago, is a leading manufacturer specializing in high-quality glass tempering and fabrication.

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Supplier + processingHeat treatingProcess specialistIllinoisPhysical coverage
Processes
Heat treating
Highlights
Heat treatingStates: IL
Facility points
1 estimated facility point
Phone Primary
phone, IL • phone, IL
Estimated

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Snapshot updated Apr 18, 2026. This normalized public directory reflects process and location coverage only. It does not show live capacity, pricing, or quote availability.