Jacobs Engineering Group Inc. With a history dating back to 1947, Jacobs Engineering Group Inc. has grown into one of the largest and most diverse engineering consulting firms globally. Headquartered in Dallas, Texas, Jacobs operates in multiple sectors, including aerospace, defense, infrastructure, and environmental services. With over 55,000 employees across the globe, largest engineering consulting firms acobs prides itself on its commitment to sustainability, innovation, and technical excellence.

AECOM AECOM is a multinational engineering firm headquartered in Los Angeles, California. With a workforce exceeding 87,000 employees, AECOM provides services in design, consulting, construction, and management across various industries, including transportation, energy, water, and environmental engineering. The company's global footprint and integrated approach to project delivery make it a leader in the field of engineering consulting.

WSP Global Inc. Based in Montreal, engineer consultant Canada, WSP Global Inc. is one of the world's leading engineering consulting firms, with a presence in over 40 countries. The company offers a comprehensive range of services, including engineering, design, planning, and environmental consulting. With a focus on sustainability and resilience, WSP works on projects ranging from high-rise buildings and transportation infrastructure to renewable energy and water management.

SNC-Lavalin Group Inc. Headquartered in Montreal, Canada, SNC-Lavalin Group Inc. is a global engineering and construction firm with operations in over 50 countries. The company specializes in sectors such as infrastructure, mining and metallurgy, oil and gas, and power. With a workforce of approximately 40,000 employees, SNC-Lavalin is known for its technical expertise, project management capabilities, and commitment to safety and integrity.

Arup Group Limited Arup Group Limited is a multinational engineering firm based in London, United Kingdom. Founded in 1946, Arup has earned a reputation for its innovative and sustainable approach to design and consulting. The company's diverse portfolio includes projects in the built environment, infrastructure, energy, and aviation sectors. With offices in more than 35 countries, Arup combines engineering excellence with a holistic understanding of social, environmental, and economic factors.

Bechtel Corporation Bechtel Corporation is a global engineering, construction, and project management company headquartered in San Francisco, California. With a history spanning over a century, Bechtel has played a significant role in the development of critical infrastructure worldwide, including transportation systems, energy facilities, and telecommunications networks. With over 55,000 employees, Bechtel is known for its commitment to safety, quality, and innovation.