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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3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016
Service: Electrical EngineeringService: Power System CalculationsIndustry: UtilitiesType: Electrical Engineering+33 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

A. G. Consulting Engineering, PC

New York, NY

A. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.

WebsitePhone5 offices8 projects
Service: MEP EngineeringService: Mechanical and HVAC Systems DesignIndustry: TransitType: MEP+19 more

A.P. Consulting Engineers, DPC

Elmont, NY

MEP, Lighting, Energy, and Life Safety Engineering

WebsitePhone2 offices8 credentials
Service: MEP ServicesService: Mechanical DesignIndustry: Arts & CultureType: MEP+20 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

ACM Engineering & Environmental Services, Inc.

South Bend, IN

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Website4 offices5 credentialsFounded 1988
Service: Asbestos ServicesService: Asbestos surveys and inspections by licensed inspectorsIndustry: ResidentialType: Environmental Engineering+44 more

ACS Services, LLC

Mesa, AZ

Geotechnical engineering, material testing, special inspections, and drilling services in Arizona

WebsitePhone1 office2 leaders
Service: Geotechnical EngineeringService: Construction Materials TestingIndustry: InfrastructureType: Geotechnical Engineering+24 more

ADC Engineering

Hanahan, SC

ADC's Track Record Speaks for Itself

WebsitePhone3 offices17 projects
Service: Civil EngineeringService: Site PlanningIndustry: AviationType: Aviation Engineering+68 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

AEIS

South Plainfield, NJ

Helping Build a Safer Infrastructure

WebsitePhone2 offices4 projects
Service: Construction Quality AssuranceService: Special and Critical InspectionsIndustry: AviationType: Materials Testing+17 more

AK Consulting Services, Inc.

Jackson Heights, NY

Multidisciplinary Engineering, Special Inspections & Expediting Services

WebsitePhone1 officeUpdated Jun 2026
Service: Structural EngineeringService: Structural Design and AnalysisIndustry: CommercialType: MEP+83 more

ARCXIS

Houston, TX

From Start to Finish, One Number to Call.

WebsitePhone1 office10 credentials
Service: Inspection ServicesService: Engineering ServicesIndustry: ResidentialType: MEP+10 more

AS Engineering and Consulting, LLC

Marietta, GA

Value engineering to build a safer tomorrow.

WebsitePhone1 office1 leaders
Service: Geotechnical and Geological StudiesService: Subsurface Soil ExplorationIndustry: Land DevelopmentType: Geotechnical Engineering+20 more

ATSI, Inc.

Amherst, NY

Changing the World Since 1977

WebsitePhone1 officeFounded 1977
Service: Front-End Engineering & Design (FEED)Service: FEL-1: Conceptual Engineering & FeasibilityIndustry: Renewable EnergyType: Process Engineering+41 more

Aari Engineering LLC

Wylie, TX

Innovative and sustainable engineering solutions

Website1 office9 projectsUpdated Jun 2026
Service: MEP DesignService: HVAC and Mechanical SystemsIndustry: CommercialType: MEP+18 more

Adley Services, LLC

Lafayette, LA

Onshore or offshore. Upstream, midstream, or downstream.

WebsitePhone1 office4 leaders
Service: Facilities Engineering and DesignService: Offshore and Onshore Facilities DesignIndustry: Oil & GasType: Process Safety Engineering+29 more

Advanced Structural Design, Inc.

Winter Park, FL

Shaping the places where you Live, Learn, Play and more.

WebsitePhone1 office10 projects
Service: Structural EngineeringService: Structural Design and AnalysisIndustry: ResidentialType: Structural Engineering+16 more

Advantus Engineers

Pittsburgh, PA

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

WebsitePhone1 office7 projects
Service: Building CommissioningService: Design and Submittal AnalysisIndustry: GovernmentType: MEP+42 more

Aimright Testing & Engineering

Tulsa, OK

Communicating With Technical Accuracy About Your Project So You Can Proceed With Confidence

WebsitePhone1 office3 projects
Service: Geotechnical EngineeringService: Standard Penetration TestingIndustry: EducationType: Geotechnical Engineering+32 more

Alan Margolin & Associates Consulting Engineers and Architects, D.P.C.

New York, NY

Safety Focused Engineers

WebsitePhone5 offices2 leaders
Service: Structural EngineeringService: Structural DesignIndustry: CommercialType: Architecture & Engineering+32 more

Albat

Construction management and inspection services for infrastructure projects

Website5 projects1 leadersUpdated Jun 2026
Service: Construction ManagementService: Constructability ReviewsIndustry: InfrastructureType: Civil Engineering+27 more

All Ship & Cargo Surveys, Ltd.

Honolulu, HI

Crane certifications, marine surveying, and consultation services in Hawaii and the Pacific.

Website1 office3 credentialsUpdated Jun 2026
Service: Crane Inspections and Safety CertificationsService: Offshore and Harbor Crane AuditsIndustry: MarineType: Marine Engineering+14 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

Allerion Consulting Group Inc

We build quality into every project.

Website6 projects2 leaders2 credentials
Service: Quality ControlService: Quality Control ManagementIndustry: Highways & RoadsType: Geotechnical Engineering+22 more