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 leaders
Service: ArchitectureService: DesignIndustry: ResidentialType: Architecture & Engineering+25 more

3mg P S C

Designing Spaces. Engineering Solutions. Delivering Excellence

Website14 projects18 leadersUpdated Jun 2026
Service: ArchitectureService: Master PlansIndustry: CommercialType: Architecture & Engineering+50 more

5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects
Service: Architectural DesignService: Programming and Master PlanningIndustry: ResidentialType: Architecture & Engineering+24 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects
Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsIndustry: FederalType: Architecture & Engineering+41 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportIndustry: AirportsType: Naval Architecture+29 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects
Service: ArchitectureService: Schematic and Conceptual Design DevelopmentIndustry: AerospaceType: Architecture & Engineering+42 more

AHA Marine Engineering

Nyack, NY

Your waterfront idea, our engineering expertise

WebsitePhone1 office2 leaders
Service: Underwater InspectionsService: Waterfront Structural DesignIndustry: MarineType: Marine Engineering+19 more

AIMS Group, Inc.

Metairie, LA

Your Partner for Professional Engineering Consulting

WebsitePhone2 offices14 projects
Service: Civil EngineeringService: Streets and RoadwaysIndustry: GovernmentType: Civil Engineering+34 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects
Service: Process EngineeringService: PFD and P&ID DevelopmentIndustry: ChemicalsType: Automation & Controls+75 more

ASD Consultants, Inc.

Austin, TX

Providing service with teamwork

WebsitePhone3 offices6 projects
Service: Architecture and Engineering DesignService: Architectural DesignIndustry: GovernmentType: Architecture & Engineering+25 more

ATCS, Inc.

Engineering Innovative Solutions

Website9 leadersUpdated Jun 2026
Service: Environmental PlanningService: Air & Noise AbatementIndustry: TransportationType: Civil Engineering+28 more

ATOKA, Inc.

Hot Springs, AR

Engineering and Environmental Consultants

WebsitePhone2 offices1 projects
Service: Civil EngineeringService: Strategic Planning and Land UseIndustry: Environmental & RemediationType: Civil Engineering+44 more

AZAD Engineering PC

San Francisco, CA

Efficient Management in Infrastructure Construction

WebsitePhone2 offices1 leaders
Service: Construction Management and InspectionService: Resident EngineeringIndustry: TransportationType: Civil Engineering+41 more

Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publications
Service: Civil EngineeringService: Stormwater ManagementIndustry: GovernmentType: Architecture & Engineering+59 more

Accurate Group, Inc.

Lincolnshire, IL

A solution-oriented international organization experienced in engineering and IT services.

Website1 office7 projectsFounded 1994
Service: Civil EngineeringService: Land Development and Real Estate SupportIndustry: TransportationType: Civil Engineering+38 more

Advantage Engineering Associates, P.C.

Cranbury, NJ

Engineering design, construction support and construction inspection services for transportation infrastructure

WebsitePhone2 offices8 projects
Service: Transportation EngineeringService: Highway and Traffic EngineeringIndustry: TransportationType: Civil Engineering+28 more

Aillet, Fenner, Jolly & McClelland, Inc.

AFJMc is a consulting engineering firm with more than 55 years of experience delivering civil, structural, mechanical, electrical, and transportation engineering services. Its portfolio includes roadways, bridges, utility and site design, industrial process systems, higher education facilities, healthcare facilities, government buildings, sports and recreation facilities, and commercial projects.

Website3 projectsUpdated Jun 2026
Service: Civil EngineeringService: Site PlanningIndustry: TransportationType: Civil Engineering+39 more

Alaimo Group

Mt. Holly, NJ

Over 50 years of engineering excellence

WebsitePhone2 offices4 projects
Service: Municipal ServicesService: Township Engineer RepresentationIndustry: GovernmentType: Architecture & Engineering+30 more

Alampalli Engineering, PLLC

Albany, NY

Key to reliable engineering, business and software solutions

WebsitePhone1 office1 leaders
Service: Infrastructure and EngineeringService: Infrastructure Asset ManagementIndustry: InfrastructureType: Civil Engineering+27 more

Allen Construction Management Services Northwest, LLC

Portland, OR

Established in 2013 by Laurie Allen and Monique Allen, Allen Construction Management Services Northwest, LLC (ACMS Northwest) is an Oregon-based civil engineering and construction management practice. It provides professional services for public agencies and private-sector clients, with experience on major Pacific Northwest projects such as the City of Portland Secondary Treatment Expansion Program, Port of Portland PDXNEXT, and ODOT I-205 Abernethy Bridge.

WebsitePhone1 office3 projects
Service: Design-BuildService: Program ManagementIndustry: GovernmentType: Civil Engineering+45 more

Allen Engineering and Science

Jackson, MS

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

WebsitePhone6 offices5 leaders
Service: EngineeringService: Civil EngineeringIndustry: Oil & GasType: Civil Engineering+28 more

Alpha Corporation

Dulles, VA

Where Engineering Meets Adventure

WebsitePhone1 office3 projects
Service: Engineering DesignService: Civil EngineeringIndustry: FederalType: Civil Engineering+30 more

American Structurepoint

Indianapolis, IN

One business, one community at a time.

WebsitePhone1 office6 leaders
Service: Architecture and InteriorsService: Programming and Concept DesignIndustry: InfrastructureType: Architecture & Engineering+31 more

Amped I LLC

Chicago, IL

We engineer & design systems for the reliability of the power grid.

Website1 office4 projects2 leaders
Service: Protection & ControlService: Relay ProtectionIndustry: Power Transmission & DistributionType: Power & Utility Engineering+36 more