Public engineering firm directory

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1200 Architectural Engineers PLLC

Alexandria, VA

Illuminating Structure and New Uses.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Structural and Architectural Engineering

Service: Structural and Architectural EngineeringService: Historic Preservation EngineeringService: New Construction EngineeringIndustry: ResidentialIndustry: Historic PreservationType: Structural Engineering+5 more

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

1CSDesign

San Diego, CA

Engineering Confidence From the Ground Up

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Structural Design

Service: Structural DesignService: Residential and Commercial Building DesignService: Structural Material EngineeringIndustry: ResidentialIndustry: CommercialType: Structural Engineering+13 more

29E6, LLC

Beaufort, SC

Collaborative structural engineering for architects and contractors.

WebsitePhone1 office2 projectsFounded 2017Size Estimate: 1-9 employeesUpdated Jun 2026

Project: Hilton Head Island Recreation Center Enhancement & Expansion

Service: Commercial EngineeringService: Residential Structural EngineeringService: Industrial New ConstructionIndustry: CommercialIndustry: ResidentialType: Structural Engineering+9 more

2RW Consultants, Inc.

Charlottesville, VA

Energy by Design

WebsitePhone3 offices10 projects6 leaders32 credentialsFounded 1985

Project: JMU Carrier Library Renovation, Restoration, and Expansion

Service: MEP/FP Engineering DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: GovernmentType: MEP+37 more

3 Rocks Engineering & Surveying

Cañon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects2 leadersSize Estimate: 11-50 employeesUpdated Jun 2026

Project: Love's Travel Stop & RV Park Designs

Service: Civil EngineeringService: Residential and Commercial Site DevelopmentService: Oil and Gas Civil SupportIndustry: CommercialIndustry: ResidentialType: Civil Engineering+28 more

3-Tier Alaska

Fairbanks, AK

Civil & Environmental Engineering, Surveying

WebsitePhone3 officesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Septic System Design and TestingService: Road Design and InspectionIndustry: ResidentialIndustry: CommercialType: Civil Engineering+19 more

360 Engineering Group

Tulsa, OK

360 Engineering Group is a structural engineering firm with offices in Tulsa and Oklahoma City, Oklahoma, Manhattan, Kansas, and Dallas, Texas, holding professional engineer licenses in 49 states and Washington D.C. Its licensed engineers deliver structural design and analysis, BIM coordination, structural evaluation and rehabilitation, shop drawing preparation, peer reviews, and expert witness services for a broad range of building types and market sectors.

WebsitePhone4 offices4 projects6 leadersUpdated Jun 2026

Project: Block 34

Service: Structural Design and AnalysisService: Building Information ModelingService: Structural Evaluation and RehabilitationIndustry: CommercialIndustry: RetailType: Structural Engineering+15 more

360 Engineering P.C.

Civil, Structural, and Construction Engineering Services

Website1 leadersFounded 2020Size Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Structural Evaluations of Existing BuildingsService: Structural Rehabilitation and Alteration DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+23 more

360 Professional Land Surveyors, PLLC

Mineral Wells, WV

360 Professional Land Surveyors, PLLC is a licensed land surveying firm based in Mineral Wells, West Virginia, serving Wood County and surrounding WV counties including Jackson, Mason, Ritchie, Wirt, Pleasants, and others. A high percentage of its business comes from repeat customers and referrals.

Website1 officeUpdated Jun 2026

Service detail: Property / Boundary Surveying

Service: Property / Boundary SurveyingService: ALTA SurveyService: Elevation CertificationIndustry: Land DevelopmentIndustry: ResidentialType: Land Surveying+8 more

3J Consulting, Inc.

Your Partner in Civil Engineering & Community Planning

Website8 projects6 leaders6 credentialsFounded 2009Updated Jun 2026

Project: Sandy Vision and Comprehensive Plan

Service: Civil EngineeringService: Grading & DrainageService: Utility DesignIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+39 more

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

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

4site Advisors Inc

We get it: Your vision. Your values. Results.

Website9 projectsUpdated Jun 2026

Project: Guard & Grace

Service: Owner's RepresentationService: Communication ManagementService: Risk Assessment & Mitigation PlanningIndustry: CommercialIndustry: RetailType: Owner's Engineer+26 more

5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects2 leadersFounded 2009Updated Jun 2026

Project: Eastern Mirage Hotel & Medical Center

Service: Architectural DesignService: Programming and Master PlanningService: Zoning Compliance and ExpeditingIndustry: ResidentialIndustry: Multifamily ResidentialType: Architecture & Engineering+22 more

6S Engineering

Helotes, TX

Providing Excellence in Engineering Services.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Municipal Infrastructure PlanningService: Commercial Site DesignIndustry: GovernmentIndustry: CommercialType: Civil Engineering+2 more

7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders3 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Due Diligence and Feasibility StudiesService: Entitlement and Conceptual DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+24 more

A Civil Group, LLC

Columbia, MO

Civil Engineering, Land Planning and Surveying Services for Developers in Columbia, Boone County, and Mid-Missouri

WebsitePhone1 office7 projects2 leadersUpdated Jun 2026

Project: Vineyards Plat 6

Service: Civil EngineeringService: Land Development for Residential, Commercial and Industrial UsesService: Road and Pavement DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+41 more

A Squared Plus Engineering Support Group, LLC

Finksburg, MD

A Squared Plus Engineering Support Group, LLC (A2+ESG) is an engineering practice that specializes in mechanical, electrical, plumbing, and information transportation system design. It delivers planning, engineering support, system analysis, and inspections for commercial, residential, industrial, and institutional facilities, including specialized experience in public safety and correctional environments.

WebsitePhone1 office11 projects2 leadersUpdated Jun 2026

Project: Corola EMS Paramedic - Station 1

Service: MEP DesignService: Sustainable DesignService: HVAC DesignIndustry: ResidentialIndustry: CommercialType: MEP+25 more

A&E Engineering and Surveying

Pocatello, ID

See it. Solve it. Stand by it.

WebsitePhone1 office2 leaders3 credentialsFounded 1998Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land Development and Site DesignService: Water Resources and HydraulicsIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+28 more

A&R Engineering

Marietta, GA

A&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Traffic Studies

Service: Traffic StudiesService: Traffic Impact StudiesService: Intersection Control Evaluation StudiesIndustry: TransportationIndustry: Land DevelopmentType: Civil Engineering+22 more

A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects2 credentialsUpdated Jun 2026

Project: NGM Cortez Hills Underground and Goldrush Master Survey Control Networks

Service: Civil EngineeringService: Streets and Highway DesignService: Aviation InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

A.M. Structural Engineering

A.M. Structural Engineering is a consulting structural engineering firm providing services for residential, commercial, institutional, industrial, government, and religious structures. Founded by David Wagner, P.E., its engineers have served as engineer-of-record on thousands of projects, ranging from residential deck additions to multi-story historic building renovations and additions. The team of three licensed structural engineers and one technician brings more than 50 years of combined consulting experience and holds licensure in Minnesota, Wisconsin, Colorado, Iowa, South Dakota, Wyoming, and North Dakota.

Website1 leadersSize Estimate: 4 employeesUpdated Jun 2026

Service detail: Existing Structure Services

Service: Existing Structure ServicesService: Evaluation of building conditionsService: Design and planning of repair programsIndustry: CommercialIndustry: ResidentialType: Structural Engineering+17 more

A.P. Consulting Engineers, DPC

Elmont, NY

MEP, Lighting, Energy, and Life Safety Engineering

WebsitePhone2 offices8 credentialsUpdated Jun 2026

Service detail: MEP Services

Service: MEP ServicesService: Mechanical DesignService: Electrical DesignIndustry: Arts & CultureIndustry: ResidentialType: MEP+18 more