ERM (Environmental Resources Management)

We're a global team of 215,000 Resourcers committed to ecological transformation, operating in 56 countries to help cities and industries manage their most critical resources. For over 170 years, we've been developing solutions that treat and distribute water for 111 million people, manage waste for 46 million residents, and produce 44 million MWh of energy annually. Our work spans three main areas - water, waste, and energy - with a focus on recovering and replenishing resources rather than just consuming them. What drives us is the mission to 'resource the world.' This means we're not just providing services; we're helping our customers reduce their carbon footprint, implement circular economy practices, and adapt to climate change. Whether we're optimizing industrial water treatment, designing district heating networks, or transforming waste into energy, we're focused on practical solutions that create real environmental impact. Our people work on the ground every day to make cities more sustainable and industries more efficient - because we believe ecological transformation isn't just necessary, it's an opportunity to build a better future.

HGL understands that contaminated sites, unexploded ordnance, and radiological hazards pose real threats to communities and ecosystems worldwide. For over 35 years, HGL has existed to solve these critical environmental challenges - developing innovative, effective, and sustainable engineering solutions that reverse harmful impacts, restore natural resources, and protect our planet for future generations. As an employee-owned company of more than 550 professionals, HGL combines deep technical expertise in groundwater and surface water modeling, environmental restoration, military munitions response, and radiological cleanup with a commitment to exceptional client service and environmental stewardship. HGL's mission-driven culture focuses on addressing some of the world's most complex environmental problems, from emerging contaminants like PFAS to traditional chemical contamination across all media. Their work spans the United States and its territories, supporting federal agencies including the U.S. Environmental Protection Agency, Department of Defense, and Department of Energy. By investing in research and development and maintaining core values of care, integrity, innovation, and stewardship, HGL delivers cutting-edge solutions that restore contaminated sites to beneficial use while protecting the safety and well-being of their team members and the communities they serve.

AECOM is the world's trusted infrastructure consulting firm, delivering professional services throughout the project lifecycle - from planning, design and engineering to program and construction management. With approximately 16.1 billion in revenue during fiscal year 2024, AECOM has been named the world's top design firm and ranked #1 in general building, transportation, and water by Engineering News-Record in 2025. The company has been recognized as one of Fortune magazine's "World's Most Admired Companies" for twelve consecutive years and named one of 2025 World's Most Ethical Companies by Ethisphere. Headquartered in Dallas, Texas, AECOM operates as a publicly traded company on the New York Stock Exchange (NYSE: ACM) and is listed at #259 on the Fortune 500. While officially founded in 1990 through the merger of five entities, many of the company's predecessor firms have distinguished histories dating back more than 120 years. Today, AECOM's global team of trusted advisors - planners, designers, engineers, consultants and program and construction managers - span markets including transportation, buildings, water, new energy, and the environment, all driven by a common purpose to deliver a better world.

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.

At Acuity International, we work closely with international, federal, state, and local governments to build safe, secure, healthy, and thriving communities in some of the world's most demanding environments. Our comprehensive approach integrates medical services, infrastructure solutions, and environmental remediation to ensure mission continuity for government and commercial clients worldwide. Our team leverages expertise from multiple legacy organizations - Comprehensive Health Services, Janus Global Operations, Project Time & Cost, Michael Baker Global Services, and Sallyport - to deliver critical services where they matter most. From disaster response and emergency medical care to base operations and program management, we prioritize operational excellence and tangible results. Whether responding to global health crises, securing international missions, or managing large-scale construction projects, our people thrive on solving complex challenges with precision and dedication.

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.