AECOM designs, builds, finances and operates infrastructure assets for governments, businesses and organizations. The company provides: planning, consulting, architectural and engineering design services to commercial and government clients in transportation, facilities, environmental, energy, water and government markets; construction services, including building construction and energy, infrastructure and industrial construction; as well as program and facilities management and maintenance, training, logistics, consulting, technical assistance, and systems integration and information technology services, for agencies of the United States government and for other national governments.

Fluor is a holding company. Through its subsidiaries, the company provides engineering, procurement, construction, fabrication and modularization, operations, maintenance and asset integrity, as well as project management services. The company serves a set of industries including oil and gas, chemicals and petrochemicals, mining and metals, transportation, power, life sciences and manufacturing. The company is also a service provider to the U.S. federal government and governments abroad; and it performs operations, maintenance and asset integrity activities for industrial clients. The company has four segments: Energy & Chemicals; Mining, Industrial, Infrastructure & Power; Diversified Services; and Government.

Granite Construction is a holding company, which delivers infrastructure solutions for public and private clients. The company's segments are: Transportation, which focuses on construction and rehabilitation of roads, pavement preservation, bridges, rail lines, airports and marine ports; Water, which focuses on water-related construction and water management solutions; Specialty, which focuses on construction of various complex projects including infrastructure/site development, mining, public safety, tunnel and power projects; and Materials, which focuses on production of aggregates, asphalt and construction related materials as well as proprietary sanitary and storm water rehabilitation products.

Jacobs Engineering Group provides services including consulting, technical, scientific and project delivery for the government and private sector. The company's lines of business are: Critical Mission Solutions, which provides cybersecurity, data analytics, software application development, enterprise and mission information technology, systems integration and other technical consulting solutions to government agencies as well as aerospace, automotive and telecom customers; and People and Places Solutions, which provides end-to-end solutions for its clients' projects, whether connected mobility, water, smart cities, manufacturing or the environment.

Skanska is a project development and construction group, concentrated on selected home markets in the Nordic region, European countries and in the Americas. Co.'s business streams are: construction, which includes building and civil construction; residential development, which develops residential projects for immediate sale; commercial property development, which initiates, develops, leases and divests commercial property projects, with project development focusing on office buildings, retail and logistics properties; and infrastructure development, engaged in identifying, developing and investing in privately financed infrastructure projects, such as highways, hospitals and schools.