Irwin & Leighton, Inc.
1030 Continental Drive • King of Prussia, Pennsylvania 19406
Tel: 610-989-0100 • Fax: 610-989-0200 • Email:
info@irwinleighton.com
IBM Corporation
Executive Mall
Valley Forge, Pennsylvania
Interior Renovations
Architect: SPG
3
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I&L's 100th Anniversary
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