Experience You Can Trust

Lewis, Yockey & Brown, Inc. was established in February 1983. Employees of the firm have experience providing engineering services for over 40 years. Our locally owned and operated company has been involved in many types of civil engineering and land surveying projects. Most of these projects are located within 100 miles of a company office, which allows for efficient management and execution of the work.

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Serving Communities in Central Illinois

Lewis, Yockey & Brown Inc. continues to provide civil engineering and land surveying services for several communities in Central Illinois. The company has also been the City/Village Engineer for several communities in central Illinois.


Our licensed professionals have vast experience in areas of civil engineering including streets and highways, sewage treatment plants, water wells, site plans, recreational facilities, land surveying, land planning, and drainage control and analysis.

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Serving Private Clients and Public Institutions

A Significant number of projects completed by Lewis, Yockey & Brown Inc. involve land development. Residential subdivisions, commercial developments, site plans, planned unit developments, and their associated infrastructure, account for the majority of the company’s project volume. These developments are designed in accordance with the appropriate local and state codes and regulations. Our familiarity with these codes and regulations facilitates efficient permitting and construction of projects.


Lewis, Yockey & Brown Inc. is prequalified with the Illinois Department of Transportation and the Illinois Capital Development Board. As City/Village Engineer for several municipalities, Lewis, Yockey & Brown Inc. reviews subdivisions and developments, designed by other consultants, to ensure that the project conforms to local and state codes and regulations and is constructed properly.

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