Silver Members

KPFF Consulting Engineers provides structural and civil engineering services to architects, government agencies, developers, and contractors for projects with a wide range of functions. Established in 1960, KPFF has offices in Seattle, Tacoma, Everett, Portland, Sacramento, San Francisco, Long Beach, Los Angeles, Pasadena, Irvine, San Diego, Phoenix, Denver, St. Louis, and New York. KPFF brings a great many technical qualifications and resources to the table when we join a design team. The firm is comprised of approximately 904 professionals, including 383 structural engineers and 203 civil engineers. The most valuable thing that KPFF offers is the people who are our firm. The cornerstone of our philosophy is the freedom the individual has to seek creative and
economic solutions for client’s structural and civil needs and to participate as a team member in exploring the broader issues involved in projects today.

Contact: Jennifer Tucker
1601 Fifth Ave Ste 1600
Seattle WA 98101
(206) 926-0456


Leighton & Associates has provided innovative design solutions and field support for construction projects for more than four decades. Leighton engineers and geologists provide innovative geotechnical solutions through detailed geological investigation, creative engineering design, and cost-effective construction of remedial measures.

Contact: Andy Price
17781 Cowan St Ste 200
Irvine CA 92614-6009
(949) 250-1421


RMS is the world’s leading provider of products, services, and expertise for the quantification and management of catastrophe risk associated with natural perils such as earthquakes, hurricanes, and windstorms.

Contact: Mohsen Rahnama
7015 Gateway Blvd
Newark CA 94560
(510) 505-2500


Simpson Gumpertz & Heger (SGH) is a national engineering firm specializing in the design, investigation and rehabilitation of structures and building enclosures. Our staff of over 500 employees in five offices around the U.S. includes engineers, architects, and scientists. Clients work with us because we collaborate with them and project team members; we engage extensive expertise; we focus on delivering successful results; and we respond to project challenges.

Contact: Ronald Hamburger
100 Pine St Ste 1600
San Francisco CA 94111-5202
(415) 459-3700


ThortonThomasettiThornton-Tomasetti provides building engineering services to clients worldwide on projects of all sizes and complexity.

Contact: Mark Ellis
2151 Michelson Dr Ste 270
Irvine CA 92612
(949) 271-3300


Walter P Moore The greater the challenge, the higher our level of enthusiasm. As structural, structural diagnostics, civil, traffic and transportation engineers and parking consultants, we have designed some of the most important urban spaces and systems in America: airports, sports stadiums, hospitals, hotels, entertainment and performing arts centers, convention centers, corporate campuses, office towers, roadways.

Contact: Rafael Sabelli
595 Market St Ste 950
San Francisco CA 94105
(415) 963-6300


WSP USA We provide services to transform the built environment and restore the natural environment. Our expertise ranges from environmental remediation to urban planning, from engineering iconic buildings to designing sustainable transport networks, and from developing the energy sources of the future to enabling new ways of extracting essential resources. We have approximately 34,500 employees, including engineers, technicians, scientists, architects, planners, surveyors, program and construction management professionals, and various environmental experts. We are based in more than 500 offices across 40 countries worldwide. Our unique combination of specialist skills backed by global reach enables us to offer the latest thinking and best client service, whatever and wherever the challenge.

Contact: Sissy Nikolaou
One Penn Plaza
New York NY 10119
(212) 465-5729