ACS Infrastructure is a wholly owned subsidiary of the ACS Group, one of the largest infrastructure construction companies and developers in the world. The ACS Group brings the expertise of over 150,000 employees spread across over 50 countries. In 2025, Engineering News-Record (ENR) ranked ACS Group #1 in the Top 250 International Contractors, consolidating the company as the world’s largest international contractor.

Driven by next-generation projects, ACS Group achieved international revenues of more than $49.9 billion in 2025. ACS has over 55 years of experience in developing, financing, operating, and maintaining highway, bridge, transit/rail, and social infrastructure projects, and has developed over 150 P3 projects globally.

ACCIONA Concessions is a leading global developer and operator of transportation and social infrastructure with a strong and expanding presence in North America. The company has been active in the region for over two decades, delivering major civil works, transportation, energy, and water projects across both the US and Canada. In the US specifically, ACCIONA Concessions has emerged as a key player in large-scale transportation concessions.

ACCIONA Concessions has extensive experience managing and maintaining complex roadway infrastructure projects, providing optimized, safe, and effective operation and maintenance solutions across more than 900 miles on 25 highway P3 contracts awarded over the last 30 years. ACCIONA Concessions’ track record across different sectors accounts for 56 concessions with assets, having invested over $50 billion in total.

Meridiam is a leading equity investor, developer, and long-term partner in more than 130 infrastructure projects in North America, Europe, and Africa. Meridiam specializes in greenfield infrastructure development with a long track record of delivering and operating complex projects with a whole-of-life approach. This success is based on fostering partnerships with public authorities to jointly design and deliver transformational infrastructure projects.

Meridiam’s unique 25-year fund life showcases its commitment to being a long-term partner with the public sector, and, unlike most financial investors, does not sell assets to generate returns. With global assets of approximately $23 billion under management (with a capital construction value that exceeds $87 billion), Meridiam has the distinct industry position of an “invest-and-hold” equity participant in transportation, social, and environmental P3 projects.

ACCIONA Construction is a global leader in the delivery of major transportation infrastructure, recognized for executing complex mega-projects with a strong focus on sustainability and innovation. With more than 100 years of experience, ACCIONA Construction has deep technical expertise and has participated in the design and construction of more than 6,300 miles of transportation infrastructure worldwide, including highways, bridges, tunnels, and rail systems.

With capabilities spanning the full infrastructure value chain, ACCIONA Construction supports projects from early design through construction and delivery, providing end-to-end solutions for complex transportation needs.

With the integration of Flatiron and Dragados North America in 2025, FlatironDragados is now the second largest Domestic Heavy Civil Contractor and the #1 Top Transportation Contractor as ranked by Engineering News Record (2025) with more than $6.8 billion in annual revenue, approximately 9,800 employees, and more than $16 billion in backlog.

FlatironDragados’ skilled engineers, craftspeople and supervising staff transform highway infrastructure – enhancing and connecting communities across North America – with expertise in numerous delivery methods including Public Private Partnerships, Construction Manager/General Contractor, and Progressive Design-Build. From complex interchanges to major highway expansions and managed toll highways, our commitment to improving highway infrastructure and keeping traffic moving is of utmost importance to us.

FlatironDragados’ broad experience delivering complex transit projects in major cities and vital highway improvements in rural communities gives us the diverse work profile needed to meet the infrastructure demands of the growing population.

Parsons is a leading global provider of professional services in infrastructure, defense, security, and construction, with more than 80 years of experience. As an integrated solutions provider, Parsons delivers end-to-end services for roadways and structures through the full range of alternative delivery methods, including Design-Build. A recognized leader in alternative delivery, Parsons has helped deliver more than one-third of the top 75 design-build projects in the United States and Canada.

Parsons has deep, long-standing experience in Tennessee, having maintained an office in Memphis since 1955. With a thorough understanding of the unique needs of Tennessee’s transportation network, Parsons is currently serving as Engineer of Record on TDOT’s $144 million I-55/Crump Boulevard Interchange project, which replaces the existing cloverleaf interchange with a flyover direct connection for I-55. Drawing on industry-leading expertise, Parsons is helping TDOT save time, maximize value, reduce traffic impacts, enhance safety, minimize risk, and implement sustainable solutions for this critical project.