We deliver solutions, products, and services across the national security and critical infrastructure markets, leveraging advanced technologies and deep expertise to address our customers’ most complex challenges.
Our customer relationships, which are based on a long history of successfully delivering complex technical solutions and services, are key to our success. These relationships, along with our technical expertise and intellectual property, enable Parsons to successfully provide solutions that meet our customers’ demanding technical and execution requirements and fulfill our corporate purpose of developing a better world.
We operate in two segments, Federal Solutions and Critical Infrastructure.
Federal Solutions
Our Federal Solutions business is an advanced technology provider that delivers innovative solutions, software and hardware products, and engineering design services to the U.S. government. Our strategy is to deliver information dominance across all domains. The U.S. government and its agencies represent substantially all the revenue of the segment.
Federal Solutions consists of two business units: Defense & Intelligence (D&I) and Engineered Systems (ES). We provide critical solutions, including the following:
Cyber and Intelligence
We deliver analytical tools and specialized training that empower full-spectrum intelligence analysis and decisive action through leading-edge technical innovation, mission planning and automation solutions, cyber threat intelligence, and advanced threat hunting and incident response. Our team leverages Zero Trust architectures, advanced Signals Intelligence, and AI/ML capabilities to deliver operational superiority across every mission.
We provide all-domain spectrum dominance by developing preeminently automated and cognitive tools and techniques that lead to vital mission decisions for the warfighter. Our support of the US Defense and Intelligence Customer against peer-state platforms and emerging threats across the cyber and electromagnetic spectrum operating environment enable total freedom of operation, enduring resilience, and information advantage for US forces and Allied Partners.
We deliver technology-driven services and solutions for the DoW’s most difficult electronic warfare (EW) and radio frequency (RF) challenges.
We deliver technology that provides real-time, multimodal sensor fusion to detect, identify, track, and defeat incoming airborne threats, while generating actionable intelligence for operators. We provide the smartest missile defense solutions in the industry and stand ready to support a robust deterrence and defense strategy to safeguard citizens and critical infrastructure.
We are at the forefront of defending the homeland with innovative solutions designed to counter advanced aerial threats. Our comprehensive approach combines cutting-edge technology, extensive experience, and modular systems to create a robust missile defense. Our solutions protect citizens and critical infrastructure from existing and emerging threats, including ballistic and cruise missiles, hypersonic weapons, and Unmanned Aircraft Systems (UAS).
We’ve provided end-to-end, holistic support to critical aspects of space and geospatial operations. We have a history in launch logistics; satellite operations; assured positioning, navigation, and timing (PNT); domain awareness; and geospatial intelligence.
We are a leading provider and Integrator of advanced CUAS solutions, combining best-in-class radars, cameras, sensors, and effectors with open and modular software powered by AI/ML to stay ahead of emerging and evolving threats. Our hardware‑vendor‑agnostic approach allows us to tailor CUAS solutions and deliver mission‑specific, layered, outward‑looking defenses designed to deny access, visibility, and opportunity.
Our systems are built from the ground up to be open and modular, ensuring they can be rapidly adapted to keep pace with evolving threats. Through continuous innovation, we deliver mission‑ready solutions engineered for performance, flexibility, and scalability.
We counter and mitigate a broad spectrum of challenges, including existing and emerging multi-domain threats to people, facilities, infrastructure, and vital information systems that, if incapacitated or destroyed, would have a debilitating impact on security and/or public safety. By providing solutions that detect, identify, track, and defeat these threats, we’re ensuring a healthier, more secure, and more resilient world.
We leverage our extensive expertise and capabilities to advance the world’s premier aerospace infrastructure. Our team brings deep expertise and capabilities in safety, security, critical infrastructure, and ensuring strict compliance with Federal Aviation Administration (FAA) standards and addressing environmental concerns. For over 40 years, we have supported the FAA in modernizing the US National Airspace System, including work at hundreds of airports across the nation.
We are a trusted partner in modernizing the U.S. Defense Industrial Base, delivering end-to-end planning, engineering, design, construction, and commissioning solutions that expand domestic munitions production capacity, strengthen supply chain resilience, and accelerate delivery of critical capabilities to the warfighter. We support the Department of War’s (DoW) modernization priorities across government-owned, contractor-operated facilities, depots, arsenals, ammunition plants, and advanced manufacturing sites that underpin national security readiness, while minimizing environmental impact.
Our expertise in modernizing the Organic Industrial Base (OIB) enables us to provide tailored, innovative solutions that address complex challenges. By integrating health, safety, and automation into our designs, we help create a resilient, safe, and compliant OIB to support current and future military needs
We are trusted global biometrics and identity solutions experts, serving federal and law enforcement customers. Our engineers, scientists, and analysts provide expertise in the areas of identity management and biometrics technologies, solving the most technically challenging missions facing our customers.
We deliver innovative, technology-enabled solutions that help create a cleaner, safer planet for our customers and future generations. Whether it involves hazardous, toxic, or radioactive waste (HTRW) remediation, contaminant hydrogeology, or subsurface monitoring, our multidisciplinary toolbox and expertise empower us to identify the most cost-effective strategies. We help clients reduce long-term liability, safeguard human health, and preserve the environment every step of the way.
Our environmental programs guide clients from the initial assessment and design phases all the way through project closure and long-term monitoring and maintenance. Our capabilities span detailed design, procurement, contract administration, project and construction management, and post-remediation monitoring.
Our Critical Infrastructure business provides program management, planning, design and engineering services, and owners representative support for complex physical and digital infrastructure assets around the globe. We are a leading global program manager that develops digital solutions for next generation aviation, bridges, roads and highways, urban destinations, and rail and transit, leveraging sensors and data to drive smart, sustainable infrastructure.
Our growth strategy is to leverage our portfolio of sophisticated engineering solutions and technologies for complex physical infrastructure projects to capture increasing global demand and investment in infrastructure programs.
We serve a wide-ranging global customer base including federal, state, municipal and industry customers, and private sector infrastructure owners. Critical Infrastructure consists of two business units focused on two major geographies: North America (INF-NA) and Europe, Middle East, and Africa (EMEA). Our solutions include the following:
Transportation Infrastructure Solutions
We help communities around the world move people and goods safely and efficiently. As leaders in integrated design and delivery and experts in the digital enablement of traditional transportation infrastructure, we combine new technologies with legacy infrastructure, to improve traffic efficiency, enhance safety, reduce emissions, and maximize our clients’ investment.
Our teams use the latest technologies to deliver complex roads, bridges, tunnels, highways, and transit solutions. By leveraging augmented and virtual reality, XD modeling, digital twins, and drones, we’re unlocking the potential of transportation infrastructure for our customers and the communities they serve.
For 80 years, we have specialized in delivering global urban development solutions through the management of large, complex, mega mixed‑use and multisite urban programs worldwide. Our experienced master planning, project management, and asset management professionals work collaboratively to support informed decision‑making and ensure projects are delivered safely, in compliance with local authority requirements, environmental regulations, and international best practices and standards.
We are at the forefront of developing innovative smart city and global urban development solutions that enhance urban living by integrating advanced technologies. By leveraging cutting-edge technologies such as IoT (Internet of Things), AI (Artificial Intelligence), and data analytics, we deliver solutions that optimize traffic management, enhance public safety, and promote environmental sustainability, while also supporting sustainable urban planning, infrastructure development, and community-focused design.
We deliver integrated groundwork solutions that address complex environmental challenges. From legacy contamination and high-risk remediation to closure, decommissioning, and long-term stewardship, we partner with public and private-sector clients to manage risk, control cost, and achieve durable environmental outcomes.
Our groundwork capabilities span the full project lifecycle, from investigation and treatability testing through engineering, construction, and post-closure operations. By combining deep technical expertise with program-level management, regulatory insight, and a strong safety culture, we advance projects efficiently while meeting environmental, operational, and sustainability objectives.
Water And Wastewater Treatment And Conveyance Solutions
Our mission is to help preserve water by creating and maintaining safe, efficient, and sustainable water facilities and processes. Our expertise in program and construction management and engineering has helped us transform some of the most complex water and wastewater projects worldwide.
As a full-service partner in implementing conventional and advanced water and wastewater treatment technologies, we help our clients through their water management challenges with innovative, custom-tailored solutions to help sustainably meet the needs of a growing population.
As municipalities face emerging contaminants like PFAS, our experts help manage, mitigate, and remediate. From treatability testing to turn-key design-build and construction management for new plants – or fit-to-need upgrades to existing facilities – we help municipal water customers meet these challenges head-on.
We have capabilities in the following four areas that span our two segments and four business units:
Systems Integration
We provide engineering solutions and services for large digital and physical systems with high technical complexity. We lead projects from concept development through research and development, implementation, testing and verification, ensuring interoperability of these complex, disparate systems.
Program Management
We provide expertise and technology to advance our customers’ execution of large, complex projects within their defined, technical, quality, time and cost parameters.
Design Engineering
We provide advanced systems and infrastructure engineering design associated with utility capital projects, water/wastewater treatment, environmental remediation, industrial base modernization, roads and highways, bridges, rail and transit systems, and other associated infrastructure.
Product Development
We develop software and hardware across many domains and mission-specific applications. Our experienced engineers and developers design, develop, integrate, operate and sustain mission-critical software and hardware products for defense, security, and infrastructure customers.
Our Growth Strategy
Market Leading Positions In High-Growth, Sustainable Markets
We have a balanced portfolio between national security and critical infrastructure, operating across a broad range of end markets. We prioritize allocating resources and investments toward areas where Parsons can achieve leading positions in high-growth, profitable, and enduring markets. These include cyber and electronic warfare, space and missile defense, transportation, water and environment, and urban development. To accomplish this, we utilize the following strategies, among others:
Invest in critical, differentiated technology areas, including artificial intelligence, assured position navigation and timing, PFAS remediation, cyber/electronic warfare, and product development in areas including defensive cyber, space command and control, intelligent transportation systems, spectrum operations and biometrics.
Seek expansion in our six focused high-growth markets:
Cyber and Electronic Warfare – Continue our growth momentum by offering end-to-end full spectrum cyber operations and comprehensive electromagnetic spectrum coverage including solutions, tools, operations and platforms for our U.S. Department of War and Intelligence Community customers.
Space and Mission Defense – Extend our space situational awareness, ground systems, classified sensors and assured position, navigation and timing solutions to our current space customers and to new space, and geospatial customers in the government and commercial space markets. Support our customer’s integrated air and missile defense strategy and deployment. Provide thought leadership in evolving areas, including Golden Dome.
Critical Infrastructure Protection – Provide critical infrastructure protection in sectors where we have installed base, including facilities, health care, transportation, water and energy. Deliver holistic solutions including electronic security systems, cybersecurity, counter unmanned air systems and biometrics.
Transportation – Capitalize on the increased infrastructure funding and increased global transportation and infrastructure spending to further our roads and highways, bridges, rail and transit, and aviation business. Leverage technology to drive smart infrastructure.
Water and Environment – Leverage our specialized skill and experience with respect to remediating mines and oil wells and eliminating emerging contaminants. Apply our design capabilities and innovative technologies to modernize, upgrade and create new water/wastewater treatment systems. Provide coastal resiliency. Lead elimination of emerging contaminants (PFOS) from our soil, groundwater and surface water.
Urban Development – Leverage our program management, urban planning and urban design competencies to develop new industrial cities and mixed-use developments.
Continuously evaluate and shape our portfolio to divest, exit and de-emphasize lower-performing businesses and markets.
Strategic Mergers And Acquisitions
We continue to pursue the acquisition and integration of high growth, technology driven companies which meet the following criteria:
Financial performance goals: 10% or more top line growth, 10% or more Adjusted EBITDA margin, and strong cash flow.
Align to our six focused end markets and key geographies.
Technology differentiation: fill technology gaps, drive end-to-end solutions, move up the value chain, scale within and across our businesses and add valuable intellectual property rights .
People First
Driven by our people-first and high-purpose culture, we recognize that our people are key to our success in developing and delivering the technology and solutions to support our customers’ critical missions. Our most important asset is our team of talented employees, over 21,000 as of December 31, 2025, who are committed and passionate experts critical to delivering leading capabilities and whose expertise is sought by our clients for their most complex challenges. We are committed to attracting, retaining, and developing an experienced workforce.