Environmental Earth Sciences Competitors

At Jacobs, we're challenging today to reinvent tomorrow – delivering outcomes and solutions for the world's most complex challenges. With a team of approximately 45,000, we provide end-to-end services in advanced manufacturing, cities & places, energy, environmental, life sciences, transportation and water. From advisory and consulting, feasibility, planning, design, program and lifecycle management, we're creating a more connected and sustainable world.

AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2024. Learn more at aecom.com.

At Burns & McDonnell, our engineers, construction professionals, architects, planners, technologists and scientists do more than plan, design and construct. With a mission unchanged since 1898 — make our clients successful — our more than 13,500 professionals partner with you on the toughest challenges, constantly working to make the world an amazing place. Each professional brings an ownership mentality to projects at our 100% employee-owned firm, which has safety performance among the top 5% of AEC firms. As dedicated owners, we work through challenges until they’re resolved, meeting or exceeding our clients’ goals. We apply this commitment to our communities, too. We live and work in the same cities you call home, so we share a passion to keep them strong and healthy. From fundraising events and community cleanups to educational outreach and mentorship — especially when it comes to sharing our passion for STEM — our professionals work to make our communities thrive.