Structure Designs INC (SDI) engineering services is dedicated to serving the engineering, and design needs of government and public agencies.....SERVING CHICAGOLAND
Structure Designs, Incorporated (SDI) is an Illinois company incorporated in 1994 and has always maintained a good standing with our clients.
Clients:
• Illinois Department of Transportation
• Illinois State Toll Highway Authority
• City of Chicago, Department of Transportation
• Chicago Transit Authority
• Chicago Housing Authority
• Chicago Park District
• Public Building Commission
•...