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If you're interested in partnering with Sound Transit on a future opening event, visit our partnerships page to learn more.
On-board partner
Founded in 1944, Parsons is a global infrastructure and national security solutions company focused on solving the world’s toughest challenges through technology driven solutions. Parsons is proud to sponsor the grand opening of the Federal Way Link Extension as the lead designer of the project. Parsons has a long history of supporting Sound Transit's expansion program, including roles in the preliminary design of the Downtown Redmond Link Extension and Everett Link Extension and the construction of the East Link Extension. They look forward to continuing to support the expansion program.
On-board partner
South County Transit Partners is a joint venture between lead partner Mott MacDonald and AtkinsRealis. Mott MacDonald is a global, employee-owned engineering, management, and development consultancy whose mission is to improve society by considering social outcomes in all they do. AtkinsRéalis is a world-leading design, engineering and project management organization and together, they are proud to sponsor the Federal Way Link Extension (FWLE) opening. This milestone reflects over seven years of collaboration with Sound Transit on the FWLE project and highlights their deep commitment to increasing mobility across the Puget Sound region. South County Transit Partners is honored to support the communities, opportunities, and environmental benefits that come with this transformative transit investment and continue to drive progress towards more efficient, sustainable and connected transit systems.
Learn more about Mott MacDonald
Supporting partners
Siemens
Siemens Mobility is proud to provide rolling stock, rail infrastructure, rail services, and software solutions to transit agencies across North America. As a proud partner of Sound Transit for nearly a decade, their team of more than 2,500 are thrilled to celebrate the Federal Way Link Extension opening with South King County. This line extensions marks continued connection across the region to keep people traveling, exploring, and on the move.
Axiom
Axiom is a woman-owned, DBE-certified project, and construction management firm dedicated to supporting owners in delivering complex infrastructure programs with confidence. Sponsoring the opening of the Federal Way Link Extension is personal for them, it celebrates the involvement of many of their team members, from early planning to successful completion; as well as the project that helped launch Axiom. This milestone represents the power of partnership, creativity, collaboration, and persistence, and they are honored to support its success and the benefits it will bring to the community.
HDR
HDR worked closely with Sound Transit, partner agencies, and community members to deliver the EIS/PE phase of the Federal Way Link Extension. This project is important to their team, having seen firsthand the transformative power of projects like this one, and because many HDR team members currently live and commute in this corridor. Today, we both celebrate the realization of a shared vision that strengthens mobility and connects communities across the region.
David Evans and Associates
At DEA, they are creating a different future: Engineers, surveyors, planners, hydrographers, landscape architects, and natural resources scientists working together to improve the quality of life while demonstrating stewardship of the built and natural environments. DEA has grown into one of the largest local multidisciplinary consulting companies in the Pacific Northwest and is regarded as a national leader in sustainable design and management solutions. They share Sound Transit’s commitment to connecting people and places and are proud to have been part of Sound Transit’s journey from the beginning.
RailPros, Inc.
Established in 2000, RailPros is a trusted provuder of engineering, field services, strategic consulting, training and media services to North America’s freight, transit and industrial railroads and railroad adjacent industries. Deeply rooted in serving their customers, RailPros’ mission is dedicated to being the premier engineering and diversified safety services company serving these industries. At RailPros, their people live and work in the communities they serve. They ride public transit, experiencing firsthand the results of great design and strong community partnerships. They believe passionately in advancing access to transportation for people across North America, and they’re excited to help Sound Transit celebrate this milestone achievement as we unlock even greater opportunities for the community.
Platform partners
Kaiser Permanente
Kaiser Permanente is committed to helping shape the future of health care. They are recognized as one of America’s leading health care providers and not-for-profit health plans. Founded in 1945, Kaiser Permanente has a mission to provide high-quality, affordable health care services and to improve the health of our members and the communities they serve. Improving community health is core to Kaiser Permanente’s mission and has been for over 75 years. They believe total health extends beyond the doctor’s office to include having a safe place to live, access to nutritious food, clean air, strong social connections, and accessible green spaces — the essentials of life. Through our resources, reach, and partnerships, Kaiser Permanente is committed to addressing these social factors that can impact our health. That’s why they're so proud to again be celebrating another expansion of the Link light rail – to Federal Way (and beyond).
Mass Electric
Mass. Electric Construction Co. (MEC) is a premier electrical contractor providing large-scale electrical construction and maintenance services for projects of all sizes across North America. MEC is a recognized leader in rail systems installations and serves a diverse range of clients across the power and energy, transportation and transit, industrial and infrastructure markets. Mass. Electric Construction Co. (MEC) has a long history of partnering with Sound Transit for construction of the systems elements throughout its entire system and is proud to continue that partnership with the delivery of the Federal Way Link extension system contract and subsequent opening of the extension to Federal Way.
PRR
PRR has been a partner in Sound Transit’s Federal Way Link Extension construction since it started. Their community engagement staff were at community events, in neighborhoods, and at special events spreading the word about how to prepare for construction impacts. As a national leader at the nexus of social marketing and community engagement, PRR fosters healthier, more cohesive, equitable, informed, and engaged communities. In 2026, PRR will celebrate 45 years in the Northwest, Southwest, and Mid-Atlantic to plan and deliver innovative programs at the intersection of transportation, environment, and public health, with a philosophy to Make it Meaningful. That means prioritizing diversity, equity, and inclusion in all their work.
Dick’s Drive-In
Dick’s Drive-In has been a Seattle tradition for more than 70 years, delivering fresh, local food and setting the standard in employee support and community values. Unlike national chains, Dick’s Drive-In chose to stay local, expanding only within the Puget Sound region and becoming a beloved community tradition. Aside from this opening making it easier than ever for commuters to get their deluxe fry and shake, partnering with Sound Transit allows Dick’s to share their fresh, local food with riders and highlights their commitment to the community.
Learn more about Dick’s Drive In
UW Medicine
UW Medicine is an integrated clinical, research and learning health system with a single mission to improve the health of the public. Its faculty, staff, students and trainees are dedicated to delivering high- quality patient care and making important discoveries that lead to new approaches for the diagnosis, treatment and prevention of human disease. UW Medicine is home to one of the world’s largest and most comprehensive medical research programs as well as innovative learning programs for students, trainees and practitioners.
KBA
KBA provides clients trusted construction management expertise and services by managing projects with passion, integrity, and professionalism that deliver quality results. KBA is respected as one of the Northwest's largest and most capable Construction Management firms. Since 1994, they have specialized in Construction Management of public and private transit, transportation, port facilities, and water/wastewater projects. KBA values People, Relationships, and Community and takes great pride in delivering meaningful projects that improve our community and make all of our lives better.