Business Details
31 Years
experience
Your Trusted Partner for Civil Engineering & Surveying Solutions
Since 1995, Engineering Design Source has delivered robust civil engineering and surveying solutions with precision and integrity, completing over 2,000 projects across Missouri and Illinois. Our team of 55+ engineers, surveyors, and technicians combines deep technical expertise with a commitment to client satisfaction, focusing on timeliness, attention to detail, and quality work. Certified as a Minority Business Enterprise (MBE) and Disadvantaged Business Enterprise (DBE), we serve public and private sector clients including state transportation departments, airports, and municipal agencies. Our experience spans infrastructure projects such as roads, highways, airports, structural engineering, and water resources, with a proven track record of managing complex challenges from concept to completion. We maintain the highest standards of professionalism through our licenses as a Professional Engineering and Land Surveying Corporation in both Missouri and Illinois.Our values of working hard, caring for clients, and fostering a positive work environment drive our approach to every project. With offices in Chesterfield, Missouri, and Collinsville, Illinois, we provide localized expertise while maintaining national industry standards. Our team's diversity, including 33% minorities and women, strengthens our ability to address varied engineering needs. We collaborate closely with clients to ensure solutions align with their specific requirements while adhering to regulatory frameworks. This combination of technical excellence, ethical practices, and client-centric service positions us as a trusted partner for infrastructure development across the Bi-State region.
Services
Civil Site Design
Construction Inspection
Roads and Highways
Airports
Structural Engineering
Surveying
Traffic Studies
Water Resources
Details
- Year established: 1995
Highlights and features
- We have completed 2,000+ civil engineering and surveying projects since 1995.
- Our 55+ team members include certified engineers and surveyors with diverse expertise.
- Certified MBE/DBE status in both Missouri and Illinois demonstrates our commitment to diversity.
- Licensed as Professional Engineering and Land Surveying Corporations in two states.
- We maintain long-term partnerships with major transportation and infrastructure agencies.
Associations and certifications
- Minority Business Enterprise (MBE)
- Disadvantaged Business Enterprise (DBE)
- Licensed Professional Engineering Corporation
- Licensed Professional Land Surveying Corporation
Services
Civil Site Design
Our civil site design services create functional, code-compliant layouts for commercial, industrial, and institutional developments. We handle grading, drainage, utility coordination, and stormwater management while ensuring ADA compliance. Our engineers and surveyors collaborate to optimize land use while meeting environmental regulations and client requirements.
Construction Inspection
We provide comprehensive construction inspection services for transportation and infrastructure projects, ensuring adherence to design specifications and regulatory standards. Our team documents progress, resolves field issues, and verifies material quality. This includes pavement testing, utility verification, and compliance with MoDOT and IDOT requirements.
Airports
Our airport engineering services include runway rehabilitation, taxiway design, terminal improvements, and master planning. We conduct control surveys, pavement analysis, and landside facility assessments while maintaining FAA compliance. Our team supports both airside and landside infrastructure development at major regional airports.
Structural Engineering
We deliver structural engineering solutions for bridges, retaining walls, and transportation infrastructure. Our services include load analysis, material selection, and construction documentation. We specialize in rehabilitation projects that maintain structural integrity while extending service life for critical transportation assets.
Traffic Studies
Our traffic engineering services analyze roadway performance and develop signal timing improvements. We collect and analyze traffic data to enhance safety and efficiency at intersections and corridors. Our solutions incorporate modern traffic management systems and comply with state and federal standards.
Questions
What engineering services does EDSI offer?
We provide civil engineering, structural engineering, surveying, construction inspection, and transportation planning services for infrastructure projects.
Which states do you serve?
We primarily serve Missouri and Illinois, with offices in Chesterfield, Missouri, and Collinsville, Illinois.
Are you certified as a minority-owned business?
Yes, we are certified as both a Minority Business Enterprise (MBE) and Disadvantaged Business Enterprise (DBE).
How long have you been in business?
We have been providing engineering services since our founding in 1995.
What types of infrastructure projects do you handle?
We specialize in roads, highways, airports, bridges, water resources, and site development projects.
Do you work with public and private sector clients?
Yes, we serve both government agencies and private developers across the Bi-State region.
