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Clients from markets and industries across the built world rely on our interdisciplinary team of engineers, architects, and materials scientists to develop an all-around understanding of their needs, provide expert consultation on available options, and develop solutions that deliver lasting value.
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Our extensive in-house laboratory and testing capabilities are second to none. With laboratories in our Austin and Cleveland offices as well as a 70,000-square-foot state-of-the-art testing and applied research facility at our Northbrook, Illinois, headquarters, we have the advanced testing and forensic capabilities to solve virtually any problem related to structures, construction materials, or manufactured components.

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We strive to make a positive difference in the world by consistently setting the standard in every key aspect of our business, starting with the extraordinary people we employ. Connect directly with an expert on our team.

Sustainable Solutions
WJE is committed to sustainability in construction, applying a long-term lens to materials selection, performance testing, systems integration, repair design, and conservation.

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    WJE PROJECTS
    Our team has investigated, tested, and innovated on more than 175,000 projects involving almost every type of construction material, structural system, and manufactured component. We take a hands-on, empirical, and investigative approach to every assignment. Although materials, technologies, and structures change, our basic philosophy doesn’t. Founder Jack Janney’s advice to “ask the structure” continues to guide our project work today.
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    We’re passionate about our work and believe it is our responsibility to share our experiences and lessons learned for the enrichment of our clients and the advancement of our industry. We hope you learn something new that helps you better understand and address a challenge you face in your own work.
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    Experience our capabilities, project work, laboratories, and company culture as told by our staff and clients in this selection of videos.
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    Our professionals are leaders in key industry organizations and technical committees and regularly contribute to the ongoing dialogue of the built world at conferences and other educational forums. Check back soon to see where our experts will be speaking next.
  - Websites
    Learn the “what” and “why” and “when” of facade and seismic ordinances in various cities throughout the United States, as well as our recent efforts with sustainable (low carbon) concrete.
    
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    FacadeOrdinance.com
    
    SeismicOrdinances.com
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    A career at WJE means working alongside industry gurus to solve the most significant, interesting, and challenging problems of the built world. Whether you'd bring years of experience to our team or you're just out of school, a career at WJE may be the right choice for you.
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NEWS | June 27, 2025

Balboa Park Botanical Building Captures AIA San Diego Award

The Balboa Park Botanical Building in San Diego was recognized with an Honor Award in the Preservation category at The American Institute of Architects San Diego 2025 Design Awards, marking its second major accolade following the 2025 California Preservation Design Award.

We contributed to the building’s renovation and expansion by designing a fire protection solution that preserves its historic character, including an open lattice roof which, while essential to plant life inside, would have significantly compromised the performance of a traditional sprinkler system.

Instead, we developed an alternate approach, installing a manual fire alarm system designed to provide early occupant notification and rapid evacuation during a fire event. This thoughtful, performance-based design allowed for restoration of the building’s original roof system and successfully blended historic preservation with modern fire safety.

Wiss, Janney, Elstner Associates is committed to helping our clients solve, repair, and avoid problems in the built world. Supported by unparalleled laboratory and field testing capabilities, our team of engineers, architects, and materials scientists brings an enthusiasm for problem solving and a hands-on technical approach to every challenge.

Ask the Structure and Solutions for the Built World are trademarks of Wiss, Janney, Elstner Associates, Inc.

© COPYRIGHT WISS, JANNEY, ELSTNER ASSOCIATES, INC., NORTHBROOK, ILLINOIS. ALL RIGHTS RESERVED.

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SustainableConcrete.com

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NEWS | June 27, 2025

Balboa Park Botanical Building Captures AIA San Diego Award

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Engineering

Architecture

Laboratory

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Forensics

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Buildings

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Industrial

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SustainableConcrete.com

FacadeOrdinance.com

SeismicOrdinances.com

AMERICAS

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NEWS | June 27, 2025

Balboa Park Botanical Building Captures AIA San Diego Award

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