Summit Materials is a leading construction materials company that supplies aggregates, cement, ready-mixed concrete and asphalt paving mix. Combining vertical integration with an interdependent company structure, we provide increased efficiencies and economies of scale while empowering operating companies to make local, well-informed decisions. By teaming up with established local businesses, we are committed to creating value, providing access to growth capital, implementing best practices and offering a safe place to work while striving to exceed our environmental and social responsibilities. Formed in 2009, Summit Materials currently has 12 platform companies in 21 states and British Columbia, Canada. Under CEO Anne Noonan, Summit Materials continues to drive growth and productivity across our operating companies, delivering shareholder value. Further information is available at www.summit-materials.com.

RES is the world’s largest independent renewable energy company, working across 24 countries and active in wind, solar, energy storage, biomass, hydro, green hydrogen, transmission, and distribution. An industry innovator for over 40 years, RES has delivered more than 24 GW of renewable energy projects across the globe and plans to bring more than 22 GW of new capacity online in the next five years. As a service provider, RES has the skills and experience in asset management, operations and maintenance (O&M), and spare parts – supporting 41GW of renewable assets across 1,300 sites. RES brings to the market a range of purposeful, practical technology-based products and digital solutions designed to maximise investment and deployment of renewable energy. RES is the power behind a clean energy future where everyone has access to affordable zero carbon energy bringing together global experience, passion, and the innovation of its 4,500 people to transform the way energy is generated, stored and supplied.

As a leading U.S. contractor in water, wastewater, and industrial water construction projects, we are committed to delivering maximum value to clients and their communities. MWH history dates to the early 19th century and features some of the world’s most groundbreaking water and wastewater innovations as well as specialization in client-focused collaborative delivery methods. The MWH family includes Slayden Constructors in the Pacific Northwest and Methuen Construction Company in the Northeast.

Frontline Road Safety Group is the largest provider of pavement marking services in the United States through the many best-in-class operating companies we feature in our portfolio. With deep operational leadership, technical expertise, and a premium quality of execution, we provide pavement marking solutions that are unparalleled. Join our team of suppliers and become a part of our dedication to excellence.

Peak Utility Services Group Operating Companies provide a full-suite of services for the recurring repair, replacement, maintenance, upgrade and installation of telecom, electric power, and natural gas infrastructure in the Pacific Northwest and Intermountain West regions, the Dallas-Fort Worth area, the Boston Metro area, and in parts of Florida. Peak is the parent company of Track Utilities, SiteWise, Kelly Cable of New Mexico, Riley Brothers, and Superior Pipeline Services (SPS); five industry-leading utility service contractors. The Peak companies play a key role in supporting our clients'​ expansion into new frontiers.

Our passion is to develop and install innovative solutions that protect people and infrastructure from the dangers of geohazards. Founded in 2002, GeoStabilization International® has combined the most experienced and responsive geohazard mitigation professionals in North America. GeoStabilization specializes in design/build/warranty landslide repair, rockfall mitigation, excavation shoring, grouting, and GRS-IBS abutment construction. With over 4800 completed geohazard repairs in the last 19 years, our combined experience and nationwide emergency response capability are unmatched. GeoStabilization provides geohazard mitigation services across North America, Canada, and Australasia.

What is Flatiron? We’re more than a construction company. We are an organization of some 3,500 people with diverse backgrounds and varied expertise who share a singular focus on enhancing the well-being of people and communities. We bring together industry-leading engineers, highly skilled craft workers and other professionals to deliver innovative solutions to infrastructure challenges across the U.S. and Canada. Flatiron builds highways and bridges; aviation, rail and transit; dams and water treatment facilities; and underground projects that fuel local economies, improve safety and enhance efficiency. Flatiron engineers harness the art and science of structural design to create solutions that are as beautiful as they are functional. Our craft employees and on-site leaders bring vital experience to each project to turn vision into reality. And our project leaders collaborate with project owners to deliver solutions that meet challenging criteria—safely—while at the same time mitigating risk for all those involved. Beyond safely delivering outstanding projects, Flatiron people demonstrate a commitment to ongoing learning, sustainability, our clients and partners, and the communities where we live and work. We build careers. We hire and advance the best engineers, craft workers and other professionals in our industry. We transform infrastructure.

For more than 150 years, McCarthy has been building America, both by constructing essential projects our communities rely on, as well as by helping those in our communities who need assistance. As one of the oldest American-owned construction companies with offices nationally, knowing how to build from early in the design phase through completion is a tradition that will continue as we endeavor to advance the value of our expertise and deliver the highest quality, job-site safety and ultimately, the best final project costs. We strive to challenge and positively impact our industry. Unlike many firms of our size, we are true builders, surpassing client expectations on the most complex building challenges. McCarthy has built in nearly every state, with projects ranging in size from $1 million to well over $500 million in a wide variety of markets including healthcare, university, laboratory & science, K-12 education, commercial, government, renewable energy and heavy/civil. McCarthy is proud to be an equal opportunity and affirmative action employer regardless of race, color, gender, age, sexual orientation, gender identity, religious beliefs, marital status, genetic information, national origin, disability or protected veteran status. At McCarthy, our equal pay commitment is simple: fair and equitable pay for all employees. We work diligently to ensure there are no disparities in salary based on gender, race or sexual orientation. We review individual compensation adjustments using a bi-annual compensation analysis to ensure no disparities occur. We do the right thing, which means ensuring equitable pay for work done in comparable roles McCarthy Building Companies, Inc. is a McCarthy Holdings, Inc. company.

Navigate the oversight and management of financial operations for Roadis USA Infrastructure operations and assets. Guide financial strategy and management in a highly-leveraged and cash-flow driven environment. Participate in negotiating private activity bonds ($250M) and capital structure management. Manage relationships with key stakeholders, including banks, bondholders, and agencies.

The Aleut Corporation is an Alaska Native corporation whose mission is to maximize dividends and opportunities for our shareholders. With business holdings in the federal, commercial, IT, engineering, environmental, fuel, and manufacturing sectors, the Aleut Corporation works to maximize economic growth, protect and enhance its lands, and promote healthy communities with decisions, actions and behaviors inspired by the Aleut values.