Engineering Design Source, Inc.

16141 Swingley Ridge Rd
Chesterfield, MO 63017
Phone: 636.537.5585

About Us

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Since our foundation in 1995, EDSI has completed more than 1,500 civil engineering and surveying projects in the Bi-State area. EDSI has a team of over 30 competent engineers, surveyors, construction inspectors and technicians working from our Chesterfield, Missouri headquarters and our satellite office in Collinsville, Illinois. Our staff includes 26% minorities and 26% women. EDSI is a certified MBE/DBE company and a member of the ACEC in both Missouri and Illinois. We have worked with a variety of clients including Ameren, Missouri Botanical Garden, St. Louis University, Washington University, City of St. Louis, Lambert St. Louis International Airport, MoDOT, IDOT, MSD and large A/E firms throughout Missouri and Illinois.


EDSI is a proud sponsor of Missouri Botanical Garden.


EDSI Fact Sheet

Download EDSI Fact Sheet 2014


Our Certifications

EDSI is 100% minority owned corporation (Subchapter S) and is certified as a Minority Business Enterprise (MBE) and a Disadvantaged Business Enterprise (DBE) in both Missouri and Illinois.


Our business is licensed as a professional engineering and surveying firm in both Missouri and Illinois, and has a business license in the City of St. Louis. We’re a member of the Missouri and Illinois chapters of the American Council of Engineering Companies (ACEC), and locally with the St. Louis Council of Construction Consumers (SLCCC).



DBE Certificate

MBE Certificate

Professional Engineering License

Professional Land Surveying License



DBE Certificate

Professional Design Firm License


City of St. Louis

Business License