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.

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2IM Group, LLC

Chicago, IL

2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.

WebsitePhone1 office5 projects
Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 more

333 Engineering Services PLLC

Porter, TX

333 Engineering Services PLLC provides specialized consulting mechanical engineering services to clients primarily in the Houston, Texas region. It delivers finite element analysis and structural assessment solutions to support complex industrial and manufacturing design requirements.

Website1 office1 leaders2 credentials
Service: Mechanical Engineering ConsultingService: Finite Element AnalysisIndustry: ManufacturingType: Mechanical Engineering+4 more

3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects
Service: A&E ServicesService: Site Feasibility StudiesIndustry: Oil & GasType: Architecture & Engineering+32 more

3jk Engineering Consultants Llc

Espanola, NM

Solving demanding technical problems through engineering, analysis, prototyping, and testing.

WebsitePhone1 office1 leaders
Service: Engineering and DesignService: Custom Equipment Engineering and DesignIndustry: Oil & GasType: Acoustic Consulting+32 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

5FOLD Engineering

Seminole, FL

Precision Unfolded. Mission Ready.

WebsitePhone1 office2 projects
Service: Design EngineeringService: Design for Manufacturing & SustainabilityIndustry: DefenseType: Mechanical Engineering+34 more

7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders
Service: Land DevelopmentService: Due Diligence and Feasibility StudiesIndustry: CommercialType: Civil Engineering+26 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects
Service: Construction & Remediation ServicesService: Landfill ConstructionIndustry: Environmental & RemediationType: Environmental Engineering+74 more

A&Z Engineering

Fort Wayne, IN

Your Engineering Solutions... Start to Finish.

WebsitePhone2 offices4 leaders
Service: Roadway, Highway, and Intersection ImprovementsService: Construction InspectionIndustry: GovernmentType: Civil Engineering+15 more

A.S. Engineering Services

New York, NY

Structural Engineering & Design

WebsitePhone3 offices6 projects
Service: Structural EngineeringService: Residential Structural EngineeringIndustry: CommercialType: Structural Engineering+8 more

AAA Engineering Design

Stanton, CA

AAA Engineering Design is a structural engineering firm based in Stanton, California, founded in 2009 by licensed Professional Engineer Aws Salahaldin. Serving Orange County, Los Angeles County, the Inland Empire, and San Diego County, AAA Engineering Design provides structural analysis, seismic retrofitting, ADU design, foundation engineering, and construction documentation for residential and commercial clients, with over 500 completed projects.

WebsitePhone1 office6 projects
Service: Structural EngineeringService: Load-bearing analysisIndustry: ResidentialType: Structural Engineering+20 more

AAA Structural Engineering Inspection & Evaluation Services

Honolulu, HI

AAA Structural Engineering Inspection & Evaluation Services is a consulting structural engineering firm in Maui and Honolulu, Hawaii, offering structural engineering services throughout the Hawaiian Islands. AAA Structural Engineering specializes in structural inspection and evaluation of existing structures, design and rehabilitation of shoreline protection structures including seawalls, and forensic structural engineering investigations including expert testimony in judicial proceedings.

WebsitePhone1 office11 projects
Service: Structural Engineering Analysis & DesignService: Structural design for remodeling and renovationIndustry: MarineType: Structural Engineering+26 more

ACG Engineering Services Inc.

Davie, FL

Providing Client-Focused Solutions

WebsitePhone1 office1 leaders
Service: Concrete Restoration & EvaluationsService: Condition SurveysIndustry: ResidentialType: Structural Engineering+30 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026
Service: Systems EngineeringService: Architecture DevelopmentIndustry: AerospaceType: Defense Engineering+25 more

ADAPT Technology

Auburn Hills, MI

Engineering from Concept to Production

WebsitePhone2 offices1 projects
Service: Engineering DesignService: CAD/CAE DesignIndustry: AerospaceType: Mechanical Engineering+29 more

ADDX Corporation

Alexandria, VA

Tenacious by Nature

WebsitePhone1 officeUpdated Jun 2026
Service: Engineering Readiness and Lifecycle SupportService: Digital Engineering LaunchpadIndustry: DefenseType: Defense Engineering+25 more

ADP Resources

Dallas, OR

Engineering Services: Agility. Accuracy. Integrity.

WebsitePhone1 office8 leaders
Service: Outside and Inside Plant ServicesService: Makeready Engineering NESC and GO95Industry: TelecommunicationsType: Telecom / RF Engineering+29 more

AEC-West Consultants, Inc.

Advancing Public Safety and Efficiency within the Built Environment

Website1 leaders3 credentialsFounded 2018
Service: Architectural and Engineering DesignService: Architectural DesignIndustry: CommercialType: Architecture & Engineering+18 more

AEG - A SOCOTEC Company

Mechanicsburg, PA

Engineering, Surveying, and Inspections

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Geotechnical Engineering and Foundation DesignIndustry: TransportationType: Geotechnical Engineering+66 more

AES Group, Inc.

Parker, CO

Providing Engineering and Architecture Services Since 2002

WebsitePhone1 office4 projects
Service: Civil EngineeringService: Site DesignIndustry: GovernmentType: Architecture & Engineering+40 more

AEi Systems, Inc.

Centennial, CO

Analytical HEAVY Lifting

WebsitePhone2 offices9 publications
Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentIndustry: ElectronicsType: Electrical Engineering+40 more

AH Burkett Engineering

Orlando, FL

Engineering with Integrity.

WebsitePhone1 office2 leaders
Service: Land PlanningService: RezoningIndustry: CommercialType: Civil Engineering+13 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