Malisko Engineering

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

Shannon and Wilson Inc. is a geotechnical and environmental consultant firm located in St. Louis, Mo. Founded in 1954, the firm provides services for the design and construction of transportation facilities, buildings, civil-work structures, military facilities, industrial plants, infrastructure components and energy generators. It specializes in arctic engineering, geographic information systems, hydrogeology, laboratory testing, seismic and tunneling. The firm also works for the projects in transportation, waterfront facilities, rail and property development for both the public and private sector.