Public engineering firm directory

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Chastain & Associates LLC

Creating infrastructure for 70 years.

Website1 projects3 leadersSize Estimate: 80+ employeesUpdated Jun 2026

Project: Village of Oak Park Right-of-Way Permitting Services

Service: Transportation EngineeringService: Expressways, Interstates, Tollways, and HighwaysService: Safety and Feasibility StudiesIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+52 more

DB Sterlin Consultants, Inc.

Chicago, IL

One Vision. Shared Future.

WebsitePhone1 office6 projects1 credentialsUpdated Jun 2026

Project: Wells Street Bridge over the Chicago River

Service: Civil EngineeringService: Roadway Design & GeometricsService: Bicycle & Multi-Use Pathway DesignIndustry: GovernmentIndustry: BridgesType: Civil Engineering+32 more

Dokken Engineering

Folsom, CA

Transforming design.

WebsitePhone4 offices7 projects12 leaders3 credentialsFounded 1986

Project: Zittle Family Amphitheater Shade Structure

Service: Feasibility & FundingService: Grant Writing SupportService: Preliminary Engineering & Environmental ServicesIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+24 more

DuBois & King

Randolph, VT

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.

WebsitePhone12 offices5 projects3 leaders11 credentialsFounded 1962

Project: Glencliff Micro-Hydro

Service: PlanningService: Transportation EngineeringService: Bicycle and Pedestrian InfrastructureIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

Holt Consulting Company, LLC

Columbia, SC

The Consultant of Choice for Aviation and Surface Transportation Projects Across the Southeast

WebsitePhone7 offices7 projects2 leaders7 credentialsFounded 2013

Project: Emergency Bridge Package 2018-2A

Service: Aviation ServicesService: Aviation PlanningService: Airfield DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+24 more

Kisinger Campo & Associates, Corp.

Tampa, FL

Trusted Partner on High-Priority Transportation Projects

WebsitePhone1 office14 projects1 credentialsFounded 1976Size Estimate: 100-500 employees

Project: I-4 Mainline from East of World Drive to East of US 192 (MPDB)

Service: Roadway DesignService: Arterial Highway DesignService: Interchange ReconstructionIndustry: TransportationIndustry: GovernmentType: Civil Engineering+43 more

Palmer Engineering Co

Winchester, KY

Designing Infrastructure. Building Character.

WebsitePhone1 office6 projects8 leaders5 credentialsFounded 1969

Project: US 641 Reconstruction (Calloway County)

Service: Transportation Infrastructure and Roadway EngineeringService: Advanced Traffic Engineering Design and ModelingService: Bicycle Facilities and Enhancement DesignIndustry: GovernmentIndustry: TransportationType: Civil Engineering+32 more

Pare Corporation

Lincoln, RI

Engineers. Scientists. Planners.

WebsitePhone4 offices35 projects24 leaders6 credentialsSize Estimate: 50-100 employees

Project: East Providence High School

Service: Building ServicesService: Structural Design and RetrofitsService: Foundation and Subsurface InvestigationIndustry: GovernmentIndustry: TransportationType: Civil Engineering+49 more

Schwartz & Associates, Inc.

Lynchburg, VA

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.

Website2 offices12 projects2 leadersFounded 1981Size Estimate: 1-49 employeesUpdated Jun 2026

Project: Rte. 128 (Candlers Mountain Road) over NS Railway Superstructure Replacement

Service: New Bridge & Bridge Repair DesignService: Superstructure ReplacementService: Substructure RehabilitationIndustry: BridgesIndustry: Highways & RoadsType: Structural Engineering+32 more

Sunrise Engineering, LLC

Creating solutions that work and relationships that last

Website9 projects2 leadersFounded 1978Updated Jun 2026

Project: Rock River Infiltration Gallery Addition

Service: Natural Gas ServicesService: EngineeringService: Water and Wastewater EngineeringIndustry: Oil & GasIndustry: Renewable EnergyType: Civil Engineering+45 more