Degenkolb's structural engineering practice reflects more than eight decades of commitment to technical expertise, exceptional client service through close collaboration, and life-long learning. Degenkolb pioneers innovative structural system designs to support the needs of our clients, including mass timber projects as engineer-of-record, peer reviewer, and in construction engineering.

Learn more at www.degenkolb.com

DLR Group is an integrated design firm delivering architecture, engineering, interiors, planning, and building optimization for new construction, renovation, and adaptive reuse. Our promise is to elevate the human experience through design. This promise inspires sustainable design for a diverse group of public and private sector clients; local communities; and our planet. DLR Group is 100 percent employee-owned and fully supports the initiatives and goals of the 2030 Challenge, and is an initial signatory to the China Accord and the AIA 2030 Commitment.

Learn more at www.dlrgroup.com

FFA has recently created 20 projects utilizing mass timber. For our team this is a design and research opportunity, leveraging post-occupancy evaluation, performance tracking, and material sourcing studies to continuously refine its approach. The dedication to using high-tech wood products for small and large projects helps us connect to our region through a range of attributes from aesthetics to economic solutions. This endeavor brings together multiple experts from across the research, design, and construction industry together creating better solutions for the community we serve.

Learn more at www.ffadesign.com

Forell | Elsesser (F|E) is an award-winning structural engineering firm known for innovative design solutions that are practical and scalable. The firm brings deep expertise in mass timber design, with particular strength in vibration mitigation and performance-based seismic engineering for complex buildings. An active collaborator with academic partners and industry stakeholders, F|E contributes targeted research insights that help close knowledge gaps and support broader adoption of mass timber solutions.

Learn more at www.forell.com

Holmes is an international engineering firm specializing in advanced structural and fire engineering across the Pacific Rim. With deep expertise spanning research, design, and construction, Holmes has contributed to industry-advancing initiatives including collaborative research with academia, development of industry design guides and participation on multiple code advancement committees. This expertise extents particularly to mass timber, where Holmes has been involved in some of the largest and most innovative mass timber buildings in North America, New Zealand, Australia and beyond.

Learn more at www.holmes.us.

Kalesnikoff Mass Timber is a vertically integrated manufacturer specializing in mass timber (CLT, GLT, Glulam), prefabricated wall systems and fully volumetric modular construction. Through in-house R&D and advanced manufacturing, we optimize structural systems and detailing to improve constructability, performance, and code compliance across a wide range of building types.

Learn more at www.kalesnikoff.com

KPFF is a nationally recognized structural and civil engineering firm with over 1,500 employees. We have contributed to the U.S. mass timber movement since its infancy in the Pacific Northwest and have helped expand its reach across the entire United States. We are especially passionate about translating mass timber research into practice including point-supported cross-laminated timber (CLT), post-tensioned timber rocking walls, mass timber floor vibration, CLT diaphragms, timber braced frames, fire and acoustic testing, large-scale shake-table testing, and many other research and development topics.

Learn more at www.kpff.com

LEVER is a leading architectural practice based in Portland, Oregon and Los Angeles recognized for design excellence that combines purpose, craft and material innovation   LEVER has pioneered mass timber firsts for over a decade, with projects that are catalysts for connecting sustainable urban development to rural economic growth regionally and nationally.  The company’s office, Albina Yard, was the first building in the United States to use domestically sourced CLT and their Framework project was the first wood high-rise design in the United States to receive approval for construction. LEVER has designed over 20 mass timber projects focusing on leveraging the specific qualities of a place—climate, access to materials, community, and the resources of the specific sites of their work.

Learn more at www.leverarchitecture.com

Mithun is a 75-year-old design firm with offices in Seattle, San Francisco and Los Angeles. The firm’s interdisciplinary team has been working with mass timber since 2017 on diverse projects spanning commercial office, cultural, industrial and education markets. As part of the Mithun R+D program, the firm has advanced mass timber knowledge and application through self-funded research like the Building Better Schools mass timber kit of parts system that has informed multiple K-12 projects at Mithun and been widely referenced by other institutions and firms in their efforts to design economical mass timber schools. Mithun also actively participates in industry-led research such as its successful execution of two NFPA 285 fire tests on CLT walls through the USDA Wood Innovations Grant program, acoustic testing in multifamily CLT floor assemblies, and a current research project with WSU and NRRI to develop a thermally modified strand-based CLT panel for commercial use.

Learn more at www.mithun.com

Rothoblaas delivers practical, high-performance solutions for mass timber and wood construction, from structural fasteners and connection systems to membranes and safety products. Supported by internal testing, technical documentation, and engineering resources, Rothoblaas helps architects, engineers, and builders navigate U.S. code requirements with strong technical support and R&D driven guidance. Through education and collaboration, we help move mass timber projects from design to jobsite with confidence.

Learn more at www.rothoblaas.com

Degenkolb's structural engineering practice reflects more than eight decades of commitment to technical expertise, exceptional client service through close collaboration, and life-long learning. Degenkolb pioneers innovative structural system designs to support the needs of our clients, including mass timber projects as engineer-of-record, peer reviewer, and in construction engineering.

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StructureCraft is an industry leader in the design, engineering, and fabrication of advanced mass timber and hybrid timber systems, with a strong focus on innovation and constructability. The company has extensive experience delivering complex timber structures globally. With deep expertise in digital fabrication and in-house R&D, StructureCraft collaborates closely with architects and researchers to push the boundaries of sustainable, low-carbon construction, bringing unique technical strength and practical insight to the REACTS group.

Learn more at www.structurecraft.com

WSP is one of the world’s leading professional services firms, uniting engineering, advisory, and science-based expertise to shape communities. Within this global network, our structural engineering teams are recognized for innovative approaches to complex building systems. We apply advanced design strategies for mass timber and hybrid structures, combining sustainability with technical precision. Through ongoing research and development, we create resilient, future-ready solutions that redefine what’s possible in the built environment.

Learn more at www.wsp.com

Freres Engineered Wood is a premier wood products manufacturing company dedicated to bringing innovative, high-quality and environmentally-sound wood products to market. Founded in 1922, Freres is one of the oldest family-owned and operated businesses in Oregon, and values the personal relationships it has developed with customers and partners over the years.

Learn more at www.frereswood.com