Engineers in O Fallon, MO

Comprehensive list of O Fallon, Missouri based civil, mechanical, electrical, chemical, structural and environmental engineering companies & consultants.

Business Listings

EnTec Consulting offers superior engineering support to Program Managers for the Propulsion and Environmental Control Subsystems, Structural analysis, and the Mechanical Design disciplines. Associates are proven specialists with years of knowledge and commitment to their chosen areas of expertise. EnTec's staff experience includes support for both DoD and Contractors alike.


JACOBI GEOTECHNICAL ENGINEERING. JGE is an independent consulting engineering company that supplies geotechnical engineering and material testing services to developers, builders, architects, engineers, municipalities, owners, and contractors. We supply engineering services such as subsurface explorations, slope stability analysis, pavement design, modular block retaining wall designs, etc., test drilling


ESI is a leading professional engineering consulting company delivering multidisciplinary services including forensic engineering investigation, litigation support, materials and system failure analysis, product testing, safety and design evaluations, fire and explosion investigation, vehicular accident investigation, research and laboratory services.



Baker Engineering provides a complete array of engineering and machine shop services suitable for the most demanding of clients. Complete engineering capabilities to suit all our client requirements. We manufacture special precision gages to suit your Cpk needs. We machine holding fixtures from the very simple to the totally automated clamping systems.


On time engineering, Accurate solutions, Friendly service, Competitively priced, contact us for a quote! Engineering is the art of combining the vision with the practical. Anyone can engineer a project that will work use a telephone pole as a flag pole The challenge is to make the project functional while keeping costs in mind.


ThyssenKrupp Industrial Services is a complete-service supplier of customized product management solutions, including 3rd party logistics and provide chain management, engineering, quality control, returnable container program and industrial facility maintenance. Our mission is to supply a One Supplier, One Source service for all of our Customers.


The company supplies consulting services nationwide to law firms, manufacturers, insurance firms, independent adjusting firms, 3rd party administrators, truck lines, municipalities and individuals. Our team includes very experienced licensed Professional Engineers with extensive continuing education in their respective fields.


Since founding Vestal Mechanical, Mr. Vestal was fortunate to work as an engineer, project/construction director, and ultimately as a senior director with one of the biggest global engineering, architecture, project/construction management firms in the world.