Architecture | Interior Design | Master Planning Facility Management | Sustainable Design | Virtual Design | Construction Administration Larson & Darby Group is an award-winning, full-service architecture and interiors design firm. Our interdisciplinary team of experts create thoughtful building and design solutions. We honor our legacy of design quality and relationships by engaging our clients as partners, not projects. Our diverse portfolio includes work in the following markets: corporate/industrial, academic, healthcare, civic/cultural, municipal, liturgical, recreation, multi-family housing, congregate care, senior living, retail/commercial, and transportation.
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The Larson & Darby Group annual revenue was $7.9 million in 2026.
Stephen Nelson is the CEO - Chief Executive Officer at Larson and Darby Group of Larson & Darby Group.
34 people are employed at Larson & Darby Group.
Larson & Darby Group is based in Rockford, Illinois.
The NAICS codes for Larson & Darby Group are [5413, 541, 54131, 54].
The SIC codes for Larson & Darby Group are [871, 87].