Engineering Systems Inc

Horner & Shifrin Inc., based in O'Fallon, IL, is a multidisciplinary firm committed to delivering innovative solutions and exceptional service across various markets, including education, government, healthcare, and utilities. With a focus on client satisfaction, the firm effectively guides projects from initial planning through design and construction, acting as an extension of the client's staff. Offering a comprehensive range of professional services, Horner & Shifrin excels in areas such as environmental planning, surveying, and wastewater management. Their recent projects, including the rehabilitation of bridges and the launch of new bathymetric survey services, showcase their reliability and expertise in addressing complex engineering challenges. Generated from the website

Quality Testing and Engineering, Inc. (QTE) provides geotechnical exploration, environmental/archeological consulting, and construction materials testing to the St. Louis Metro area and Southern Illinois region.

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.