Public engineering firm directory

Find engineering consulting firms by capability and location.

Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.

Search: Design-Build Structural Services Firm type: design-build Clear all

Filters2

252 results

Showing 1-24 of 252

Firm name Recently updated Profile depth Office count Size Age Location match

Comfortable Compact

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

Website View profile

3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Electrical Engineering

Service: Electrical EngineeringService: Power System CalculationsService: Arc Flash AnalysisIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+31 more

Website View profile

3mg P S C

Designing Spaces. Engineering Solutions. Delivering Excellence

Website14 projects18 leadersUpdated Jun 2026

Project: American University - Student Center

Service: ArchitectureService: Master PlansService: Feasibility StudiesIndustry: CommercialIndustry: EducationType: Architecture & Engineering+48 more

Website View profile

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

Website View profile

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects1 leaders5 credentialsFounded 1971

Project: RDU Airport Terminal 2 Expansion

Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringService: Civil and Site EngineeringIndustry: AirportsIndustry: CommercialType: Civil Engineering+41 more

Website View profile

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil and Infrastructure Engineering

Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignService: Site Master PlanningIndustry: CommercialIndustry: IndustrialType: Civil Engineering+38 more

Website View profile

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

Website View profile

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

Website View profile

AGRA Industries, Inc.

Merrill, WI

Design-build general contractor, steel fabricator, and equipment manufacturer for industrial agricultural facilities.

WebsitePhone1 office1 credentialsFounded 1962Updated Jun 2026

Service detail: Design and Engineering

Service: Design and EngineeringService: EPCM and Design-Build DeliveryService: Scheduling & ProcurementIndustry: AgricultureIndustry: Food & BeverageType: Industrial Engineering+22 more

Website View profile

AI Engineers, Inc.

Cromwell, CT

Improving Life. By Design.

WebsitePhone1 office4 projects8 leaders2 credentials5 publications

Project: Rhode Island Corridor Modernization

Service: BridgesService: Bridge structural designService: Bridge inspection and safety evaluationIndustry: FederalIndustry: GovernmentType: Civil Engineering+45 more

Website View profile

AJT Engineering, Inc.

Cocoa, FL

Aviation architecture, engineering, and prefabricated air traffic control cab fabrication.

WebsitePhone1 office1 projects1 credentialsUpdated Jun 2026

Project: Orlando-Melbourne International Airport Improvements

Service: Air Traffic Control Tower DesignService: Siting Analyses and Feasibility StudiesService: Tower Construction DocumentationIndustry: AviationIndustry: AirportsType: Aviation Engineering+18 more

Website View profile

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

Website View profile

ARUSI, LLC

Phoenix, AZ

Powering Your Vision With 35 Years of Experience

WebsitePhone1 office2 projects1 leadersFounded 1987Updated Jun 2026

Project: Sky Harbor International Airport Utility Services

Service: Utility Engineering, Coordination & ConsultingService: System StudiesService: Utility CoordinationIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+21 more

Website View profile

ASD Consultants, Inc.

Austin, TX

Providing service with teamwork

WebsitePhone3 offices6 projects3 credentialsFounded 1994Updated Jun 2026

Project: Hays County Health Clinic Renovation

Service: Architecture and Engineering DesignService: Architectural DesignService: MEP EngineeringIndustry: GovernmentIndustry: EducationType: Architecture & Engineering+23 more

Website View profile

ASI Industrial

Billings, MT

Build On Our Experience

Website1 office1 projectsUpdated Jun 2026

Project: KSU Grain Science Project

Service: Engineering & DesignService: Process EngineeringService: Civil Engineering & DraftingIndustry: AgricultureIndustry: IndustrialType: Process Engineering+14 more

Website View profile

ATALA ECR, Inc.

El Cajon, CA

Staffing - Construction - Remediation

WebsitePhone1 office1 credentialsFounded 2013Updated Jun 2026

Service detail: Project Staffing

Service: Project StaffingService: Construction SuperintendentsService: Site Safety and Health OfficersIndustry: FederalIndustry: DefenseType: Environmental Engineering+24 more

Website View profile

Access Engineering LLC

Denver, CO

On-Demand CAD/CAE/Manufacturing

WebsitePhone1 office6 projects4 leaders3 credentialsUpdated Jun 2026

Project: Chemical Surface Detector (CSD)

Service: Design and EngineeringService: CAD and DraftingService: Design DocumentationIndustry: AerospaceIndustry: SpaceType: Mechanical Engineering+16 more

Website View profile

Acomb Ostendorf & Associates (AOA)

Winter Park, FL

Immersive Experience Makers: We Bring Stories to Life

WebsitePhone4 offices6 projects2 leadersFounded 2009Updated Jun 2026

Project: Dolly's Life of Many Colors Museum

Service: Master Planning and VisioningService: Strategic PlanningService: Site LayoutIndustry: Arts & CultureIndustry: Sports & RecreationType: Architecture & Engineering+59 more

Website View profile

Acoustical Systems Inc

Dayton, OH

More Than 45 Years Experience in Noise Control

WebsitePhone1 office3 credentialsFounded 1977Updated Jun 2026

Service detail: Acoustical Consulting and Engineering

Service: Acoustical Consulting and EngineeringService: Architectural Acoustics ConsultingService: Acoustical Engineering Feasibility StudiesIndustry: CommercialIndustry: IndustrialType: Acoustic Consulting+16 more

Website View profile

Additive at Scale

College Station, TX

Accelerating innovation through advanced rapid manufacturing solutions

WebsitePhone1 office1 leadersFounded 2020Updated Jun 2026

Service detail: Engineering and Design

Service: Engineering and DesignService: Mechanical Concept DevelopmentService: Design for Additive ManufacturingIndustry: Public SafetyIndustry: DefenseType: Mechanical Engineering+23 more

Website View profile

Advance Design Consultants Inc

San Jose, CA

Experience. Passion. Excellence.

WebsitePhone1 office7 projects2 leadersFounded 1984Updated Jun 2026

Project: BD Utility Chiller Plant (Project Granite)

Service: Architecture & PlanningService: Architectural DesignService: Architectural PlanningIndustry: CommercialIndustry: Data CentersType: Architecture & Engineering+38 more

Website View profile

Advanced Automation LLC

Dover, NH

New England automation solutions and custom machinery

WebsitePhone1 office6 credentialsUpdated Jun 2026

Service detail: Automation Systems Integration

Service: Automation Systems IntegrationService: Robotic Machine TendingService: Robotic Machining SystemsIndustry: ManufacturingIndustry: DefenseType: Automation & Controls+23 more

Website View profile

Advanced Creative Industries

Evansville, IN

Customer-guided and self-directed engineering and design-build services

WebsitePhone1 office7 projects1 leadersUpdated Jun 2026

Project: 27 Ft. Film Stretcher and Tester Machine

Service: Industrial Machinery & EquipmentService: Process Skid EngineeringService: Custom Machine DevelopmentIndustry: ManufacturingIndustry: IndustrialType: Process Engineering+26 more

Website View profile

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

Website View profile