As of October 2024, Sionas Architecture has proudly merged with GSAPC. As of October 2024, Sionas Architecture has proudly merged with GSAPC.

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515 MADISON AVENUE

515 MADISON AVENUE

515 MADISON AVENUE

515 MADISON AVENUE

515 MADISON AVENUE

515 MADISON AVENUE

This project is located in Manhattan, New York.

Gregory Switzer Architecture, P.C. (GSAPC) is a uniquely positioned architecture and interior design practice
with emphasis on the holistic management of the design process.

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