Tutor Perini

KCI is a 100-percent employee-owned engineering, consulting, and construction firm founded in 1955. With more than 2,000 employee-owners operating from over 70 offices across 19 states, the firm is ranked #53 on Engineering News-Record's Top 500 design firms in the United States and holds ISO 9001:2015 certification. The firm delivers infrastructure solutions across six primary disciplines: Transportation Water and environmental Facilities Construction management Communications Utilities KCI serves a broad client base that includes federal, state, and local government agencies, as well as institutional and private-sector clients. Because every employee holds an ownership stake in the firm, each team member carries a direct financial interest in the outcomes of the projects they work on - an arrangement that shapes both day-to-day accountability and longer-term career development.

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets. With more than 36,000 people active in over 30 countries, we bring together the best minds from around the world to deliver intelligent products and solutions across the environment, energy, water, buildings, transport and infrastructure sectors. Our work has helped more than a third of the world's communities become more resilient, and we support over 40,000 client projects annually, generating gross revenues of €5bn in 2024. Founded in 1888 as a land reclamation business in the Netherlands, Arcadis has evolved through more than 135 years of innovation and strategic acquisitions into a global industry leader. We are ranked in the top 2% in our sector by Sustainalytics for ESG Risk Rating and in the top 2% of firms by EcoVadis for sustainable practices integration. Our four global business areas - Places, Mobility, Resilience, and Intelligence - enable us to deliver transformative projects that improve quality of life, from reducing flood risks in the Netherlands to securing clean drinking water across more than 30 U.S. states, from creating sustainable legacies during the Paris Olympics to revolutionizing urban transit with metro systems from Sydney to Toronto.

Superior Construction builds the critical infrastructure that connects communities and drives economic progress. As a fourth-generation family-owned heavy civil contractor established in 1938, the company delivers complex transportation, aviation, marine, industrial, and energy projects across the United States. With nearly a century of experience, Superior leverages innovative technology, rigorous safety protocols, and deep expertise to exceed client expectations on every project. The company specializes in infrastructure construction including roads and highways, bridges, airports, marine facilities, refineries, and emergency repairs. Superior operates from corporate offices in Jacksonville, Florida and Portage, Indiana, serving clients throughout the Midwest and Southeast. The firm employs over 1,000 professionals and skilled craft workers who share a commitment to quality, safety, and building sustainable infrastructure that strengthens America's foundation.

SRM Concrete is the largest family-owned ready-mix concrete manufacturer in the United States, founded in 1999 by Mike and Melissa Hollingshead from a single backyard plant with three trucks. Today the company operates 563 concrete plants across 24 states and employs more than 8,500 people, with CEO Jeff Hollingshead leading the business. Beyond ready-mix concrete, SRM operates a network of related businesses: SRM Materials runs 33 quarries supplying aggregates, while Hollingshead Cement manages 12 cement terminals and Hollingshead Harbor oversees associated port facilities. This vertical integration gives the company control across the construction materials supply chain, from raw materials to finished concrete delivery. SRM's growth has been driven by more than 100 strategic acquisitions since 2012, expanding its footprint steadily while remaining privately held and family-run. The company serves customers ranging from residential builders to large-scale commercial developers. Its five stated cultural principles are safety, quality, kindness, cleanliness, and a go-getter mentality - values the company describes as core to how it operates across all locations.

We’re a global building materials company that’s been around since 1906, when we started as a small regional cement firm in Mexico. Over the past century, we’ve grown into one of the world’s leading producers of cement, ready-mix concrete, and aggregates, with operations spanning the Americas, Europe, Africa, the Middle East, and Asia. Our team is focused on delivering high-quality products and reliable services that help build communities and infrastructure. What drives us is a commitment to innovation and sustainability. We’re working toward becoming a net-zero CO2 company, and we’re constantly exploring new ways to reduce our environmental footprint while still meeting the construction needs of a growing world. Whether it’s through digitally enabled customer experiences like CEMEX Go or developing more sustainable building solutions, we’re trying to push the industry forward in a responsible way.

Sisk is a pioneering international construction and engineering company that has been building the places where people live, work, play, and pray for over 165 years. Founded in Cork in 1859, this fifth-generation family business has grown from a small plastering firm into one of Ireland and the UK's leading contractors, delivering landmark projects that stand the test of time. With over 3,000 staff and revenues surpassing €2.75 billion in 2024, Sisk operates across Ireland, the UK, and Europe, specializing in Commercial, Life Sciences, Data Centres, Infrastructure, Residential, and Healthcare sectors. The company's portfolio includes iconic structures such as Aviva Stadium, Croke Park, the Central Bank of Ireland, and the Etihad Stadium expansion. Sisk combines modern methods of construction with unwavering commitment to safety and sustainability, driven by core values of Care, Integrity, and Excellence. As a progressive family business with long-term vision, Sisk continues to lead the industry in sustainable management while creating places for future generations through innovative construction excellence and responsible building practices that protect and enhance the environment.