Top Professionals
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ABNA Engineering
ABNA Engineering is a full-service civil and structural engineering firm headquartered in St. Louis with additional offices in Burr Ridge (Chicago) and Southern Illinois that provides engineering design, land surveying, construction management and inspection, geotechnical and materials testing, GIS/...Read More
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American Consulting Engineers, Inc
American Consulting Engineers is a St. Louis–based engineering and design firm located at 8615 Gravois Road that provides structural engineering, MEP (mechanical, electrical, plumbing) engineering, architecture and house design, fire protection, civil engineering, retaining wall design and related s...Read More
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CDG Engineers, Inc.
CDG Engineers is a multi-discipline engineering and architecture firm headquartered in St. Louis, Missouri, providing civil, structural, electrical, mechanical, architectural and mining engineering services as well as planning, design, and construction administration for utilities, government, indus...Read More

Engineering Center of St. Louis
The Engineering Center of St. Louis is the professional home for the local engineering community, hosting 37 professional affiliate societies and representing more than 14,000 members; the Engineering Center advances the engineering profession by raising awareness of current industry issues, organiz...Read More
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Frontenac Engineering Group
Frontenac Engineering Group is a St. Louis–based civil and structural engineering firm founded in 1980 that provides comprehensive engineering, land surveying, and contract administration services for commercial, residential, industrial, municipal, institutional, education, healthcare, parks & recre...Read More
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Horner & Shifrin, Inc.
Horner & Shifrin is a multidisciplinary, 100% employee-owned professional services firm founded in 1933 in St. Louis that provides end-to-end project delivery including feasibility planning, funding assistance, land surveying and 3D scanning, environmental planning and permitting, engineering design...Read More
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McClure Engineering
McClure Engineering is a St. Louis–based mechanical and electrical consulting engineering firm founded in 1953 that provides design and consulting services for building and campus systems across markets including colleges & universities, food & pharma, commercial campus, critical facilities, cultura...Read More
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Orbital Engineering, Inc
Orbital Engineering is a full-service engineering and project delivery company founded in 1969 and headquartered in Pittsburgh that provides engineering and design, construction management and QA/QC, safety, and asset integrity services across Utility, Midstream and Downstream Oil & Gas, Metals, and...Read More
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STL Engineering, LLC
STL Engineering is a St. Louis–headquartered engineering firm founded to serve heavy industrial clients with structural, mechanical, civil, and bulk material handling engineering services; the company provides equipment layout and specification, P&ID and piping design, structural and foundation desi...Read More

thompson civil st louis
THOMPSON CIVIL, LLC is a specialized civil engineering and construction management firm serving Illinois and Missouri that focuses on roadway and site design, drainage and sanitary sewer design, stormwater management, construction inspection, and contract administration; the company leverages more t...Read More