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Business Details
28 Years
experience
Your Trusted Partner for Civil Engineering & Construction Solutions
Kaskaskia Engineering Group is a full-service civil engineering, environmental, and contracting firm dedicated to delivering innovative solutions that enhance communities and infrastructure. Our team of experienced engineers, scientists, and technicians combines technical expertise with a commitment to sustainable practices, ensuring projects meet the highest standards of quality and client satisfaction. Founded on principles of respect, trust, and service to humanity, we prioritize collaborative partnerships with clients and stakeholders to address complex challenges. With a diverse portfolio spanning federal, state, and private sectors, we specialize in transportation, structural engineering, water resource management, and land development.

Our lattice organizational structure fosters adaptability and empowers employees to contribute creatively, ensuring we remain responsive to evolving industry demands. Headquartered in Belleville, Illinois, we serve clients across the Midwest, leveraging cutting-edge technology and decades of collective experience. Our mission extends beyond projectswe strive to improve communities through environmental stewardship, community engagement, and a focus on economic development. This dedication to excellence has earned us a reputation as a trusted leader in engineering and construction services.
Services
Civil Engineering Environmental Services Construction Management Transportation Planning Structural Engineering Geotechnical Engineering Water Resource Management GIS Mapping Surveying Land Development
Details
  • Year established: 1998
Highlights and features
  • We offer over 25 years of experience in civil engineering and infrastructure development.
  • Our team holds expertise in multi-modal transportation projects and sustainable design.
  • We maintain ACI-certified materials testing and construction inspection capabilities.
  • Our lattice organizational structure enables rapid adaptation to project complexities.
  • We prioritize environmental stewardship and community engagement in all projects.
Services
Civil Engineering
Our civil engineering services encompass comprehensive planning, design, and project management for transportation systems, water infrastructure, and urban development. With expertise in federal and state regulations, we deliver solutions that balance functionality, sustainability, and community needs. Our engineers utilize advanced modeling software to optimize project outcomes while minimizing environmental impact.
Environmental Services
We specialize in navigating complex environmental regulations through services like Environmental Impact Statements, wetland delineations, and permitting. Our team ensures projects meet federal and state requirements while promoting ecological stewardship. By integrating sustainable practices, we help clients achieve compliance without compromising project goals or timelines.
Construction Management
Our construction management services include materials testing, quality control, and on-site supervision to ensure adherence to specifications. ACI-certified staff provides real-time problem-solving during construction phases. We maintain transparent communication between contractors and clients to guarantee timely completion and budget compliance for both public and private sector projects.
Transportation Planning
We develop multi-modal transportation systems that enhance safety, reduce congestion, and support economic growth. Services include traffic analysis, corridor studies, and ADA-compliant design. Our planners collaborate with municipalities to create solutions that improve mobility while addressing environmental and community concerns through stakeholder engagement.
Geotechnical Engineering
Our geotechnical services involve subsurface exploration, foundation design, and slope stability analysis for infrastructure projects. Advanced techniques like seismic surveys and ground-penetrating radar inform precise engineering decisions. We provide critical data for structures ranging from bridges to industrial facilities, ensuring stability and compliance with safety standards.
People
Geri E. Boyer
President & Founder
Geri E. Boyer founded Kaskaskia Engineering Group in 1998, bringing over 30 years of civil engineering experience. Her leadership emphasizes community impact, sustainable practices, and employee empowerment. She holds a Professional Engineer license and has guided the firm's growth into a multi-state operation while maintaining core values of partnership and innovation.
Questions
What services does Kaskaskia Engineering Group offer?
We provide civil engineering, environmental consulting, construction management, transportation planning, geotechnical analysis, and GIS mapping services for public and private sector clients.
Which states do you serve?
We operate in Illinois, Missouri, Indiana, Iowa, Kentucky, Minnesota, and Wisconsin, with eight Midwest-based offices supporting regional projects.
How long has your company been in business?
Kaskaskia Engineering Group was founded in 1998 and has over 25 years of experience in engineering and infrastructure development.
Do you handle federal and state regulatory compliance?
Yes, our team specializes in navigating federal and state environmental regulations, including NEPA compliance and Section 404/401 permitting.
What makes your firm different from competitors?
Our lattice organizational structure fosters innovation, while our commitment to community impact and sustainable practices distinguishes our client-focused approach.