WhittakerBrown Competitors

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 guide, plan and design the future of the built environment. As a global consultancy with extensive technical and advisory expertise, we bring a Total Design approach to our work with our clients. This is how we shape a better world.

HOK is a global interdisciplinary design firm. Our 1,800 people collaborate across a network of 28 offices on three continents. Celebrating our 70th anniversary in 2025, HOK is a collective of future-forward thinkers and designers who are driven to face the critical challenges of our time. We are dedicated to improving people’s lives, serving our clients and healing the planet. Together, we cultivate a culture of design excellence at the confluence of art and science, blending the power of creative expression with a clear sense of purpose. HOK has been carbon neutral since 2022 and is dedicated to achieving net-zero emissions in the projects we design by 2030. Contact us: hok.com/about/contact-us/