Tetra Tech

H.C. Nutting Company, founded in 1921 in Cincinnati, is an independent firm that specializes in geotechnical engineering, environmental engineering, materials engineering and construction materials quality control testing and inspection services. The client base of almost 20,000 includes owners, architects, consulting engineers, developers, contractors, public utilities, industry and government agencies. H.C. Nutting Company's corporate office and laboratory occupy a 37,000-square-foot facility in Cincinnati. Branch offices and facilities are located in Cleveland and Columbus, Ohio, Charleston, W.Va., Lawrenceburg, Ind., and Lexington, Ky. The professional staff includes geotechnical and civil engineers, materials engineers, environmental engineers and scientists, geologists and a certified industrial hygienist. In-house services include a fleet of drill rigs operated by company employed drillers and a full-service soils and construction materials laboratory. Company archives include a vast database of subsurface data accumulated through several decades.

Tetra Tech EMI, based in Cincinnati, OH, is a global company dedicated to improving the quality of life for people worldwide through science, technology, and innovation. They offer a wide range of solutions in areas such as water, environment, energy, high-performance buildings, international development, and climate services. With a focus on sustainability and community impact, Tetra Tech EMI leverages cutting-edge technology and expertise to address complex challenges and create more resilient and sustainable communities. Their commitment to advancing environmental, social, and governance goals aims to positively impact the lives of 1 billion people by 2030. Generated from the website

Established in 1951, URS Corporation offers a range of professional planning, engineering and architectural design, environmental, construction, and program and construction management services. It also offers system integration, operations and maintenance, management and specialized technical services. With over 50,000 employees, URS Corporation maintains a global presence. It provides services to the transportation, power, industrial infrastructure and process, environmental, nuclear management, wastewater, mining, and defense and security industries. URS Corporation has the URS, EG&G and Washington divisions. The URS Division provides planning, design, and program and construction management services for all types of transportation and water resources infrastructure, as well as for health care complexes, schools, courthouses and other public buildings. The EG&G Division primarily serves government clients, including the departments of Defense and Homeland Security. Headquartered in San Francisco, URS Corporation maintains locations in Cincinnati.