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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120 Degreez

Los Angeles, CA

Redefining Technical Excellence

Website1 officeUpdated Jun 2026
Service: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialType: MEP+9 more

29E6, LLC

Beaufort, SC

Collaborative structural engineering for architects and contractors.

WebsitePhone1 office2 projects
Service: Commercial EngineeringService: Residential Structural EngineeringIndustry: CommercialType: Structural Engineering+11 more

3 Consulting Engineers, LLC

Denver, CO

3 Consulting Engineers is an MEP consulting engineering firm based in Denver, Colorado, focused on commercial projects ranging from multifamily to healthcare. Celebrating over 10 years in business, the firm delivers HVAC, plumbing, and lighting designs on time and on budget. Licensed in Colorado and 34 other states, 3 Consulting Engineers serves restaurants, offices, grocery stores, hotels, retail, multifamily buildings, and surgery centers.

WebsitePhone1 office3 leaders
Service: HVAC and Plumbing SystemsService: Building automation systems (BAS) and controlsIndustry: CommercialType: MEP+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 projects
Service: Structural Design and AnalysisService: Building Information ModelingIndustry: CommercialType: Structural Engineering+17 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

4site Advisors Inc

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

Website9 projectsUpdated Jun 2026
Service: Owner's RepresentationService: Communication ManagementIndustry: CommercialType: Owner's Engineer+28 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

907 Architecture LLC

Palmer, AK

Straight-forward realist architecture and highly integrated client services.

WebsitePhone1 office1 leaders
Service: Architectural Design ServicesService: ProgrammingIndustry: CommercialType: Architecture & Engineering+25 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

A3 Engineering

Los Angeles, CA

Welcome to a whole new level of MEP commitment to your projects.

WebsitePhone1 office14 projects
Service: Mechanical EngineeringService: Tailored HVAC system designIndustry: CommercialType: MEP+25 more

AAI Environmental Corporation

Ashland City, TN

Professional environmental site assessments and due diligence services nationwide

WebsitePhone1 office6 projects
Service: Phase I Environmental Site Assessment (ESA)Service: Phase II Environmental Site AssessmentIndustry: CommercialType: Environmental Engineering+36 more

ABD Engineering & Design

Grand Rapids, MI

Acoustics, noise, vibration & audio-visual systems

Website2 officesFounded 1962Updated Jun 2026
Service: Architectural AcousticsService: Acoustical DesignIndustry: AgricultureType: Acoustic Consulting+22 more

ABD Engineers & Surveyors, LLP

Schenectady, NY

ABD Engineers & Surveyors, LLP is a civil engineering and land surveying firm founded in 1987 and headquartered in Schenectady, New York. Serving clients throughout Upstate New York and the Capital Region, it has built its reputation on residential, commercial, and municipal projects including subdivisions, site developments, senior housing, hotels, schools, correctional facilities, and commercial parks. ABD's partners bring deep expertise in the New York State permitting process, working with NYSDEC, NYSDOT, USACE, FEMA, and local municipal boards.

WebsitePhone1 office2 leaders
Service: Civil EngineeringService: Site Design & DevelopmentIndustry: ResidentialType: Civil Engineering+19 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

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects
Service: Architecture & Interior DesignService: Programming and Test FitsIndustry: CommercialType: Architecture & Engineering+48 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

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentials
Service: Engineering, Consulting and DesignService: Mechanical EngineeringIndustry: CommercialType: MEP+55 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

AES Consulting Engineers

Glen Allen, VA

Consulting Engineers

WebsitePhone4 offices1 projects
Service: Civil EngineeringService: Site Plan DesignIndustry: ResidentialType: Civil Engineering+39 more

AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects
Service: ArchitectureService: Architectural Concept DesignIndustry: HealthcareType: Architecture & Engineering+50 more

AGDL International, LLC

El Paso, TX

AGDL International is an integrated consulting engineering firm based in El Paso, Texas, serving clients with property and infrastructure interests in the US and Mexico. The team brings extensive cross-border experience applying US and Mexican technical standards - including ASTM, ACI, AISC, ALTA/NSPS, USPAP, NOM, and PROFEPA - across structural, civil, environmental, and land-related projects. Clients span industrial manufacturers, hospitality brands, municipal governments, and school districts.

WebsitePhone1 officeUpdated Jun 2026
Service: Structural DesignService: Design Of Concrete And Steel Structures Of All TypesIndustry: IndustrialType: Civil Engineering+27 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

AKRF

AKRF is a multidisciplinary consulting and engineering firm with more than 400 employees across 16 offices and remote locations nationwide. It provides integrated environmental, planning, engineering, and technical services to clients in land development, transportation, energy, and water sectors. AKRF's expertise spans environmental impact assessment, civil engineering, traffic and transportation planning, acoustics, geotechnical engineering, water resources, site remediation, landscape architecture, and climate resilience and adaptation.

Website8 leadersSize Estimate: 400 employeesUpdated Jun 2026
Service: Environmental ServicesService: Environmental Impact AssessmentIndustry: Land DevelopmentType: Civil Engineering+52 more

AMPED MEP, LLC

Austin, TX

Multi-Market MEP firm, client-focused, results-driven.

WebsitePhone2 offices3 leaders
Service: Mechanical EngineeringService: Equipment SelectionIndustry: CommercialType: MEP+13 more