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Since 1895, Duvinage is the leading manufacturer of custom spiral stairs in the U.S. It is the only American company capable of engineering and fabricating every type of metal stair: spiral, circular, monumental, egress, and alternating tread stairs. Sharon Stairs, with its hallmark Drop-In Stairs system, is a division of Duvinage.

Duvinage LLC Questions

The Duvinage LLC annual revenue was $5.8 million in 2026.

Jane is the Vice President of Duvinage LLC.

6 people are employed at Duvinage LLC.

Duvinage LLC is based in Hagerstown, Maryland.

The NAICS codes for Duvinage LLC are [33, 332].

The SIC codes for Duvinage LLC are [344, 34].

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