Top Architectural & Engineering Services Companies

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.

We deliver impactful global solutions to create a more connected, sustainable world — from intelligence to infrastructure, cybersecurity to space exploration. Our 52,000 employees across 50 countries work every day, challenging the expectations of today to reinvent the way we’ll all live tomorrow.

Rutgers, The State University of New Jersey, stands among America’s highest-ranked, most diverse public research universities. The oldest, largest, and top-ranked public university in the New York/New Jersey metropolitan area, you’ll find us at our main locations in three New Jersey cities, and our footprint can be seen around the region. We’re an academic, health, and research powerhouse and a university of opportunity. Values The Rutgers community embraces and upholds the fundamental values that define the university: academic excellence that's both accessible and affordable; building a community where every single member of the university has a voice; and serving the common good while making a meaningful difference in the world.

We are one of the world’s leading professional services firms, uniting our engineering, advisory and science-based expertise to shape communities to advance humanity. ​ From local beginnings to a globe-spanning presence today, we operate in over 50 countries and employ approximately 73,000 professionals, known as Visioneers. ​ Together they pioneer solutions and deliver innovative projects across sectors: Transport & Infrastructure, Property & Buildings, Earth & Environment, Water, Power & Energy and Mining & Metals. ​ ​ Together let’s unlock potential everywhere.​ #WeAreWSP

At Gensler, the value of our work stems from its positive impact on the human experience. We are a dynamic and collaborative design firm uniting creativity, research, and innovation to solve complex problems for our clients. Our work challenges conventional ideas about architecture and the built environment. We aren’t just designing buildings—we are reimagining cities and places that make a difference in people’s lives. Founded in 1965, Gensler has built a team of 6,000 professionals who partner with clients in over 100 countries each year. Everything we do is guided by our mission: to create a better world through the power of design.

Stantec empowers clients, people, and communities to rise to the world’s greatest challenges at a time when the world faces more unprecedented concerns than ever before. We are a global leader in sustainable engineering, architecture, and environmental consulting. Our professionals deliver the expertise, technology, and innovation communities need to manage aging infrastructure, demographic and population changes, the energy transition, and more. Today’s communities transcend geographic borders. At Stantec, community means everyone with an interest in the work that we do—from our project teams and industry colleagues to our clients and the people our work impacts. The diverse perspectives of our partners and interested parties drive us to think beyond what’s previously been done on critical issues like climate change, digital transformation, and future-proofing our cities and infrastructure. We are designers, engineers, scientists, project managers, and strategic advisors. We innovate at the intersection of community, creativity, and client relationships to advance communities everywhere, so that together we can redefine what’s possible. Stantec trades on the TSX and the NYSE under the symbol STN. Visit us at Stantec.com or find us on social media.

For over 75 years, Arup has been recognized for its vision, talent and tenacity. We are an independent firm, owned in trust by our members. We choose work where we can make a positive difference in the world. Dedicated to sustainable development, the firm is a collective of 18,000 designers, advisors and experts working across 140 countries. Founded to be both humane and excellent, we collaborate with our clients and partners using imagination, technology and rigor to shape a better world. Arup’s primary goal is to develop a truly sustainable built environment. This means that in all our work, we aim to identify a balance between the needs of a growing world population and the finite capacity and health of our planet.

Black & Veatch is a 100% employee-owned engineering, procurement, consulting, and construction company with a 100-year legacy. The scale of our work and breadth of markets we serve offers you a world of opportunity within a single company. Our work makes an invaluable contribution because of our monumental achievements. From the latest advancements in decarbonization to cleaner transportation, you might say we make marvels. Marvels like sustainable energy projects, environmental innovations, and autonomous construction. Here, your work matters, and the difference you make is crucial for a better future. Working at Black & Veatch is a chance to bring your ideas forward and make an invaluable contribution to creating a positive difference in our world. Make. Marvel. Matter. If you’re ready to make your marvel, apply today: https://www.bv.com/careers

Oregon Health & Science University is a nationally prominent research university and Oregon’s only public academic health center. It serves patients throughout the region with a Level 1 trauma center and nationally recognized Doernbecher Children’s Hospital. OHSU operates dental, medical, nursing and pharmacy schools that rank high both in research funding and in meeting the university’s social mission. OHSU’s Knight Cancer Institute helped pioneer personalized medicine through a discovery that identified how to shut down cells that enable cancer to grow without harming healthy ones. OHSU Brain Institute scientists are nationally recognized for discoveries that have led to a better understanding of Alzheimer’s disease and new treatments for Parkinson’s disease, multiple sclerosis and stroke. OHSU’s Casey Eye Institute is a global leader in ophthalmic imaging, and in clinical trials related to eye disease.

HDR is an employee-owned design firm specializing in engineering, architecture, environmental and construction services. We’re ranked No. 6 among the world’s design firms and we’re the largest healthcare design firm. Led by the strength of our values and a culture shaped by employee ownership, we network with each other, build on each other’s contributions, and collaborate together to make great things possible. When you join HDR, we give you license to do the same. We help you take charge of your career, giving you multiple growth opportunities along the way. So, what are you waiting for? Come grow with us.