Full-Service Consulting Engineers

CBBEL partners with communities and clients to plan, design, and deliver infrastructure that improves how people live, move, and interact with their environment.

Lake Katherine Cal-Sag Trailhead Parking Improvement Project
Lake Katherine Cal-Sag Trailhead Parking Improvement Project

Improving safety/operational deficiencies and parking shortage for a section of the Cal-Sag Trail that meets with the Lake Katherine Nature Center.

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40
Years in Business


As a multidisciplinary consulting engineering firm, CBBEL provides integrated engineering and surveying services, including civil, environmental, transportation, water resources, structural, and construction engineering. Since 1986, this integrated approach has allowed projects to move efficiently from early planning through design, permitting, and construction to deliver practical, cost-effective solutions.

100+
Licensed Professionals


What differentiates CBBEL is our depth of in-house expertise. Our staff includes three PhDs, more than 100 licensed professional engineers, 22 Certified Floodplain Managers, 11 Certified Professionals in Erosion and Sediment Control, and nine Certified Professionals in Stormwater Quality, as well as professional traffic operations engineers, Board Certified Water Resources Engineers, licensed professional land surveyors, licensed structural engineers, American Institute Certified Planners, and a licensed landscape architect.

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265
Total Staff


With more than 260 professionals throughout the Chicagoland area, CBBEL combines regional knowledge with technical depth to support public and private sector projects of all sizes.