Public engineering firm directory
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We engineer & design systems for the reliability of the power grid.
Innovate, Empower, and Collaborate
Full-service structural engineering
Bloom Companies, LLC is an engineering, architecture, and construction management practice founded in 1998 in Milwaukee, Wisconsin. Established by Mathew Tharaniyil, the organization initially focused on bridge and structural engineering, eventually expanding to cover transportation, architecture, electrical and controls, and design-build delivery. It has grown through key acquisitions, including Hay Dobbs in 2024 and Jendusa Design Build in 2025, and serves academic, municipal, transportation, industrial, and utility clients across multiple US offices and international locations.
Creating Space Underground
Buro Happold is a global practice of engineers, designers, and advisors committed to delivering elegant, sustainable solutions that positively impact communities and the environment. It provides integrated consulting engineering and advisory services across buildings, cities, and infrastructure, with US offices in New York, Los Angeles, Washington DC, Chicago, and Boston. Projects span aviation, urban resilience, electrification, and data infrastructure, with work including Pittsburgh International Airport and other major US and international projects.
Provide the Highest Level of Service to Our Clients While Delivering Value
Full-Service Consulting Engineers
Engineering Quality of Life
Building Tomorrow's Infrastructure, Today
Preserving Infrastructure, One Solution at a Time.
One Vision. Shared Future.
One Vision. Shared Future.
Client-Focused Parking Solutions
Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.
Bridging science and humanity
Engineering a Better Tomorrow
Solving Complex Problems With Concrete Solutions
Pioneering Civil Engineering Excellence Since 1998
Engineering Resource Associates, Inc. (ERA) is a full-service civil engineering, structural design, environmental science, and surveying firm serving clients throughout Illinois, Indiana, and Wisconsin. Founded in 1990, ERA's professional planners, engineers, and scientists work together to integrate engineering design, environmental improvements, and aesthetic appeal across municipal, park district, forest preserve, county, state, commercial, and private projects.
Ingenuity That Shapes Lives
Ingenuity That Shapes Lives
collaborate | formulate | innovate
Shaping the Midwest Since 1992