Hurst-Rosche Inc

Kaskaskia Engineering Group, LLC (KEG) is a 100% woman-owned and managed engineering and contracting firm that was founded in 2006. KEG is a certified Disadvantaged Business Enterprise (DBE) through the Illinois Unified Certification Program, licensed as a Womens Business Enterprise (WBE) by the Womens Business Enterprise National Council, and is recognized as a Women-Owned Small Business (WOSB) by the Small Business Administration. KEGs full service capabilities include transportation engineering, traffic engineering, CADD design, public involvement, geotechnical engineering, structural engineering, GIS mapping, environmental science, construction observation, infrastructure analysis and planning, right-of-way research and acquisition, grant writing, cost estimating, and water resource planning and design. KEG's Contracting services include rotomilling, preformed plastic pavement marking, traffic control, underdrains and grading.

Tetra Tech is a global leader dedicated to improving the quality of life worldwide through innovative science and technology solutions. The company specializes in addressing complex challenges related to water management, renewable energy, and environmental conservation by leveraging advanced analytics and local expertise. Committed to sustainability, Tetra Tech provides tailored solutions for communities facing issues like climate change and population pressures. Their multidisciplinary team of engineers and scientists focuses on creating resilient infrastructure and enhancing community adaptability through cutting-edge technologies and strategic partnerships. Generated from the website

Volkert & Associates is one of the leading consulting firms in the United States that offers a range of engineering, program management and construction services. It serves clients in Alabama, Arkansas, Louisiana, Mississippi and Tennessee. The company maintains a staff of more than 600 people. Its transportation solutions include roadway design, corridor studies and bridge inspection. The company offers construction management and civil services. It conducts coastal zone and ecological studies and noise level, cultural resource, and air and water quality assessments. The company operates electrical, architectural and structural divisions. Its subsidiaries include Volkert Construction Services and Volkert Environmental Group. Founded in 1925, Volkert & Associates serves the transportation departments of various states, as well as airports, utilities, municipalities and private clients.