Public engineering firm directory

Find engineering consulting firms by capability and location.

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18 Grados Corp

San Juan, PR

18 Grados Design is a multidisciplinary design-build architecture and engineering practice based in Puerto Rico, specializing in contemporary design and comprehensive project development. Founded in 2013, the practice delivers a diverse range of services encompassing architecture, civil and structural engineering, permitting, and construction management. It supports projects across multiple sectors, ranging from custom single-family residences to complex retail expansions and mixed-use developments. By integrating design and construction under a single collaborative framework, 18 Grados Design streamlines the execution of both small-scale renovations and large-scale commercial developments.

Website1 office6 projects3 leadersFounded 2013Updated Jun 2026

Project: Mirador

Service: ArchitectureService: DesignService: Conceptual DesignIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+23 more

4Creeks, Inc.

Honest, Authentic Solutions

WebsiteSize Estimate: 100-500 employeesUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Civil EngineeringService: Structural EngineeringIndustry: CommercialIndustry: ResidentialType: Civil Engineering+10 more

ADC Engineering

Hanahan, SC

ADC's Track Record Speaks for Itself

WebsitePhone3 offices17 projectsUpdated Jun 2026

Project: CHS Taxiways Repair

Service: Civil EngineeringService: Site PlanningService: Site Selection and Property Data ReportIndustry: AviationIndustry: CommercialType: Aviation Engineering+66 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AKEA Design, Inc.

Gainesville, FL

Architectural, MEP, and Civil Design Solutions

Website1 office6 projects1 leaders2 credentialsFounded 2011Updated Jun 2026

Project: Ironwood Golf Course Clubhouse HVAC System Replacement

Service: Architectural DesignService: BIM & 3D ModelingService: Interior DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+16 more

Advanced Engineering Consultants LLC

One-Stop-Shop for Engineering Needs

Website1 leadersFounded 2008Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Structural EngineeringService: MEP EngineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+12 more

Advanced Remediation Technologies, Inc.

Canby, OR

Advanced Remediation Technologies, Inc. (ART) is based in Canby, Oregon, and specializes in environmental management, civil engineering, geotechnical engineering, and design-build construction services.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Environmental Engineering

Service: Environmental EngineeringService: Environmental ConsultingService: Civil EngineeringIndustry: Environmental & RemediationType: Civil Engineering+5 more

Akana

Portland, OR

Engineering, Design & Construction Services, Plus Advisory and Grant Support

WebsitePhone5 offices5 projects1 leadersUpdated Jun 2026

Project: New Taholah K-12 School

Service: Engineering ServicesService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: GovernmentType: Civil Engineering+34 more

Alliant Engineering, Inc.

Alliant Engineering, Inc. Alliant blends project delivery excellence with a passion for innovation, managing projects from inception to completion with national expertise and deep local knowledge. Alliant's diverse team of engineers, landscape architects, planners, construction managers, environmental specialists, and surveyors brings multi-disciplinary collaboration to complex public infrastructure and private development projects.

Website8 leadersFounded 1995Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Transportation Planning & DesignService: Roadway DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+17 more

Alpha Corporation

Dulles, VA

Where Engineering Meets Adventure

WebsitePhone1 office3 projects6 leaders4 credentialsFounded 1979

Project: Hampton Roads Bridge-Tunnel (HRBT) Expansion Design-Build Project

Service: Engineering DesignService: Civil EngineeringService: Structural EngineeringIndustry: FederalIndustry: TransportationType: Civil Engineering+28 more

Apex Engineering, PLLC

Calvert City, KY

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.

WebsitePhone2 officesFounded 1974Updated Jun 2026

Service detail: Specialty Engineering

Service: Process EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ChemicalsIndustry: MetalsType: Civil Engineering+35 more

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 more

BBIX, LLC

Boston, MA

Trusted Design and Engineering Solutions for Federal Projects

WebsitePhone3 offices1 credentialsUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: New construction designService: Building renovation and rehabilitationIndustry: FederalIndustry: GovernmentType: Architecture & Engineering+29 more

BKF Engineers

Stronger by Design.

Website8 projects3 leaders2 credentialsSize Estimate: 700-900 employeesUpdated Jun 2026

Project: Caltrans District 5 Pfeiffer Canyon Emergency Bridge Replacement

Service: PlanningService: Civil EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Water ResourcesType: Civil Engineering+36 more

Biagi Chance Cummins London Titzer Inc

Professional Engineering Services

Website7 projects2 credentialsFounded 1965Updated Jun 2026

Project: North Tower Expansion - Hardin Memorial Hospital

Service: Building Systems EngineeringService: HVAC & Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: Civil Engineering+23 more

Blakeman Engineering, LLC

Blakeman Engineering, LLC provides civil engineering, design-build, and site permitting services for urban and rural environments. Established to deliver personal service and quick communication, the practice handles site development, roadway design, stormwater management, water main and sewer design, traffic studies, and construction management across Nebraska, Iowa, Colorado, and South Dakota. Its project portfolio spans residential, commercial, industrial, institutional, and municipal developments.

Website10 projectsFounded 2005Updated Jun 2026

Project: 40-Acre Recreational Lake and Residential Development

Service: Civil EngineeringService: Site Permitting & DesignService: Planning ServicesIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+32 more

Brownstone Consultants LLC

McAllen, TX

We Manage the Details So You Don't Have To

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering

Service: Owner's RepresentativeService: Program ManagementService: Project ManagementIndustry: GovernmentIndustry: TransportationType: Civil Engineering+16 more

CDF Engineering LLC

Wailuku, HI

Civil Engineering | Land Surveying | General Contracting | Consulting

WebsitePhone1 office1 leaders1 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Stormwater ManagementService: Major and Minor Grading Design PlansIndustry: CommercialIndustry: Land DevelopmentType: Civil Engineering+35 more

CES Consultants, Inc.

Miami, FL

CES Consultants is a full-service professional engineering, program management, construction management, construction inspection, design-build, progressive design-build, and program controls and technology firm. Founded in 2001, CES serves municipal, governmental, and private sector clients across civil, water and wastewater, structural, mechanical, and electrical engineering disciplines, with offices in Florida, New York, New Jersey, Virginia, and the DC Metro area.

WebsitePhone9 offices1 leadersFounded 2001Size Estimate: 140 employeesUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Water and Wastewater DesignIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+22 more

CES Consulting LLC

Warrenton, VA

Quality Delivered

WebsitePhone3 offices20 projects21 leadersFounded 2010Size Estimate: 180+ employees

Project: FHWA-EFLHD, Arlington Cemetery Defense Access Road

Service: Construction ManagementService: Construction InspectionService: Design-Bid-Build Program SupportIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+19 more

CTL Engineering

Columbus, OH

Our Most Powerful Solution is Trust

WebsitePhone2 offices2 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design and PlanningService: Infrastructure DesignIndustry: TransportationIndustry: Water SupplyType: Civil Engineering+86 more

Cantos Inc.

New York, NY

YOU WANT IT, We Build It.

WebsitePhone1 office5 projects11 leaders1 credentialsSize Estimate: 10-49 employees

Project: Penn Station Phase 1

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: TransitIndustry: BridgesType: Architecture & Engineering+12 more

Careaga Engineering

Budd Lake, NJ

Civil engineering, land surveying, and septic design specialists in Northern and Central New Jersey.

WebsitePhone1 office1 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Plan ApprovalsService: Grading Plans and Drainage DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+52 more

Cedarville Engineering Group, LLC

Pottstown, PA

Plan. Design. Build. Greatness.

WebsitePhone1 office8 projectsFounded 2010Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Industrial Stormwater Compliance

Service: Civil EngineeringService: Capital Improvements Planning and DesignService: Stormwater Management DesignIndustry: FederalIndustry: GovernmentType: Civil Engineering+71 more