Engineers in Decatur, IL

Comprehensive list of Decatur, Illinois based civil, mechanical, electrical, chemical, structural and environmental engineering companies & consultants.

Business Listings

AEC works with many progressive manufacturing firms representing diverse industries such as grain processors, petrochemical producers, food processors, foundries, paper producers, warehouse facilities, and metal fabricating plants. AEC has Structural, Mechanical and Industrial Engineers, as well as experienced project managers, designers and drafters on team.


For over thirty five years BWC has been servicing the Architectural and Engineering requirements of firms throughout the US. You are invited to browse our site, investigate the services now available from BWC, and browse our photo gallery of successful Projects completed for our customers.


Norman J. Toberman & Associates is a civil engineering consulting company having extensive land development knowledge in the Chicago Metropolitan Area. We supply cost-effective engineering design and survey solutions for domestic, public, industrial and commercial site developments.



For more than 125 years, Kroeschell. has been a recognized leader in electrical and mechanical engineering and industrial outsourcing. From the boardrooms of Fortune 500 firms to the boiler rooms of the world's most recognized landmarks, we have been the company that leading organizations trust for engineering, service, and operational support solutions that work - from concept, to completion and ongoing


Soil and Material Consultants. is a leading supplier of geotechnical engineering and quality assurance/control testing for the Chicagoland construction industry. Our services include engineering, soil borings, coring, testing, and quality control of soils and construction materials.


GA optimization of water systems. Frey Water Engineering and Optimatics, partners since 1995, have merged operations to supply water system optimization consulting and software services under the Optimatics name. Optimatics GA in action evaluating more than 1,000,000 trial solutions as it searches for the right mix of new tank and new pipe locations and sizes to suit 2020 peak hour and fire flow demands


We take special pride in the quality design work we produce and the lasting customer relationships that we maintain. We listen to the design requirements and aims of our customers and reply to their concerns. Fuhrmann Engineering. FEI is a complete-service consulting company whose talents and expertise are focused on four markets: highways and bridges, land development, land and route surveying, and


RAPPS Engineering and Applied Science welcomes you to our home page. Our professional engineers, geologists, surveyors, environmental specialists and engineering technicians are here to assist you find information and solve problems by applying our experience and knowledge in environmental and civil engineering. We've been serving customers throughout all of Illinois for over twenty five years.