Chastain & Associates LLC
Creating infrastructure for 70 years.
Project: Village of Oak Park Right-of-Way Permitting Services
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Creating infrastructure for 70 years.
Project: Village of Oak Park Right-of-Way Permitting Services

One Vision. Shared Future.
Project: Wells Street Bridge over the Chicago River

Transforming design.
Project: Zittle Family Amphitheater Shade Structure

DuBois & King is a multidisciplinary professional consulting practice providing planning, engineering, survey, permitting, and environmental services since 1962. Its technical disciplines span civil, structural, environmental, mechanical, and electrical engineering, surveying, and landscape architecture. D&K serves federal and state agencies, municipalities, healthcare and education facilities, industrial and commercial buildings, housing developments, and energy sector clients. Operating as a 100 percent entity, it focuses on delivering collaborative, sustainable, and resilient solutions for municipal and regional infrastructure across New England, New York, and the Southwest.
Project: Glencliff Micro-Hydro
The Consultant of Choice for Aviation and Surface Transportation Projects Across the Southeast
Project: Emergency Bridge Package 2018-2A

Trusted Partner on High-Priority Transportation Projects
Project: I-4 Mainline from East of World Drive to East of US 192 (MPDB)

Designing Infrastructure. Building Character.
Project: US 641 Reconstruction (Calloway County)
Engineers. Scientists. Planners.
Project: East Providence High School
Schwartz & Associates, Inc. is a structural and highway design engineering practice established in 1981, with offices in Lynchburg and Roanoke, Virginia. The practice specializes in bridge design, bridge and highway structure safety inspection, roadway design, and bridge rehabilitation, serving the Virginia Department of Transportation as its largest client alongside approximately 40 Virginia municipalities. Its personnel have performed or supervised more than 40,000 structure safety inspections and designed hundreds of plans for highway structures and bridges. Its services encompass new bridge and bridge repair design, pedestrian and bicycle facility design, construction administration, and traffic control planning.
Project: Rte. 128 (Candlers Mountain Road) over NS Railway Superstructure Replacement
Creating solutions that work and relationships that last
Project: Rock River Infiltration Gallery Addition