Greeley and Hansen

AECOM is a global leader in infrastructure consulting, dedicated to delivering transformative outcomes through technical excellence and digital innovation. Committed to sustainability and corporate responsibility, the company believes that infrastructure creates opportunities for everyone and strives to enhance the world's natural and social systems. With a diverse portfolio encompassing markets such as energy, transportation, water, and healthcare, AECOM collaborates with clients to create sustainable legacies. Their work includes iconic projects like the One World Trade Center and Mercedes Benz Stadium, showcasing their expertise in infrastructure development and design. Generated from the website

PEC is a Midwest-based engineering consulting firm specializing in power and utility projects, including generating power and thermal energy from both fossil fuels and renewable sources. Established in 2002, the company operates from offices in Chicago, Illinois, and Brookfield, Wisconsin, offering services that cover project development, detailed engineering, construction, and commissioning. Dedicated to delivering tailored engineering solutions, PEC partners with utilities, independent power developers, and municipalities to enhance power generation assets. Their team of experienced professionals prides itself on a proven track record and commitment to innovation, reliability, and professionalism throughout each phase of a power project. Generated from the website

Setting new standards in infrastructure management, Greeley & Hansen is an environmental engineering firm that specializes in water, wastewater and solid waste management. The firm s services include facility design and engineering, master planning, feasibility studies, construction management, process modeling, activity-based cost accounting, Web-based information management and operations assistance. Greeley & Hansen was founded by Harvard and MIT graduate Samuel Greeley in 1914. The company has headquarters in Chicago and maintains additional offices in Detroit; Ft. Myers, Tampa and Sarasota, Fla.; Indianapolis, Gary and South Bend, Ind.; Hampton Roads and Richmond, Va.; Las Vegas; New York; Philadelphia; Phoenix; Wilmington, Del.; and Washington, D.C.