Public engineering firm directory

Find engineering consulting firms by capability and location.

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120 Degreez

Los Angeles, CA

Redefining Technical Excellence

Website1 officeUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing EngineeringIndustry: CommercialIndustry: HospitalityType: MEP+7 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

303rd Engineering Group, LLC

St. Louis, MO

Successful Partnerships, Successful Projects

WebsitePhone1 office5 projects1 leaders1 credentialsFounded 2005

Project: Airmen's Dormitories, Scott Air Force Base

Service: Electrical EngineeringService: Fire Alarm SystemsService: Energy ConservationIndustry: GovernmentIndustry: FederalType: MEP+18 more

AE Works

Sewickley, PA

We Make Building Projects a Better Value

WebsitePhone2 offices15 projects1 leaders23 credentials3 publications

Project: Bay Pines VA Medical Center, Electronic Health Records Modernization

Service: Architecture & Interior DesignService: Programming and Test FitsService: Master Planning and Space ConsolidationIndustry: CommercialIndustry: Multifamily ResidentialType: Architecture & Engineering+46 more

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentialsFounded 2001Updated Jun 2026

Service detail: Engineering, Consulting and Design

Service: Engineering, Consulting and DesignService: Mechanical EngineeringService: Clean Room Design and CommissioningIndustry: CommercialIndustry: HospitalityType: MEP+53 more

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

AMPED MEP, LLC

Austin, TX

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

WebsitePhone2 offices3 leaders3 credentialsUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Equipment SelectionService: System ControlsIndustry: CommercialIndustry: HealthcareType: MEP+11 more

AMT Engineers, Architects, Planners

Athens, GA

Mindful Design, Balanced Innovation, Sustainable Solutions

WebsitePhone1 office4 projects3 leaders9 credentialsUpdated Jun 2026

Project: Food Bank of Northeast Georgia Expansion

Service: ArchitectureService: Historic preservation and adaptive reuseService: Commercial and tenant fit-outIndustry: CommercialIndustry: Historic PreservationType: Architecture & Engineering+33 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

ATLAS Design & Engineering, Inc.

Fort Myers, FL

Engineering Our Future, One Project at a Time.

WebsitePhone1 office3 leaders2 credentialsFounded 2009Updated Jun 2026

Service detail: Electrical Engineering

Service: Civil EngineeringService: Structural EngineeringService: Electrical EngineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+10 more

Aillet, Fenner, Jolly & McClelland, Inc.

AFJMc is a consulting engineering firm with more than 55 years of experience delivering civil, structural, mechanical, electrical, and transportation engineering services. Its portfolio includes roadways, bridges, utility and site design, industrial process systems, higher education facilities, healthcare facilities, government buildings, sports and recreation facilities, and commercial projects.

Website3 projectsUpdated Jun 2026

Project: Jimmie Davis Bridge (LA 511) Replace/Rehab

Service: Civil EngineeringService: Site PlanningService: Stormwater ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

Alban Engineering, Inc.

Hunt Valley, MD

Engineering a New MEP

WebsitePhone1 office5 projects2 leadersUpdated Jun 2026

Project: Bay Brook Elementary/ Middle School

Service: Mechanical EngineeringService: Sustainable HVAC and Energy DesignService: Electrical EngineeringIndustry: EducationIndustry: ReligiousType: MEP+13 more

All City Engineering, P.C.

New York, NY

MEP Engineering Design Services

Website2 offices2 leadersFounded 2011Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Design and CalculationsService: Bathroom and Kitchen Exhaust SystemsIndustry: ResidentialIndustry: CommercialType: MEP+22 more

All-Phase Power, LLC

Medina, OH

Powering Your Future

WebsitePhone2 offices2 leadersUpdated Jun 2026

Service detail: Electrical Contracting

Service: Electrical ContractingService: Residential Electrical ServicesService: Commercial Electrical ServicesIndustry: CommercialIndustry: ResidentialType: Electrical Engineering+12 more

Allen Consulting Inc.

Norman, OK

Partner with Leaders in MEP Engineering

WebsitePhone1 office6 projects3 leaders1 credentialsFounded 1979

Project: Francis Tuttle - New Danforth Campus

Service: Mechanical EngineeringService: HVAC DesignService: Central Plant DesignIndustry: EducationIndustry: HealthcareType: MEP+19 more

Allied Engineering Group

Tulsa, OK

Allied Engineering Group is a consulting engineering firm located in downtown Tulsa, Oklahoma, providing mechanical, electrical, plumbing, and medical gas engineering services for a wide variety of project types. Founded in 1999, AEG brings together decades of MEP industry experience and has served state military facilities, commercial buildings, and educational institutions including Tulsa Public Schools.

Website1 officeFounded 1999Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Systems DesignService: Ground-Source Geothermal SystemsIndustry: DefenseIndustry: CommercialType: MEP+11 more

Amodu Engineering Solutions, LLC

St. Louis, MO

Building Relationships through Affordable Engineering Excellence

WebsitePhone1 office1 leaders17 credentialsFounded 2007Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Load Calculation ServicesService: Energy Modeling and AnalysisIndustry: HealthcareIndustry: EducationType: MEP+27 more

Annex Engineering Group

Columbus, OH

Founded in 2017, Annex Engineering Group is a service-oriented MEP and fire protection engineering firm based in Columbus, Ohio. Annex offers mechanical, electrical, plumbing, and fire protection coordination engineering for projects ranging from office remodels, multi-family residential, and restaurants to manufacturing/industrial facilities and historical renovations. Licensed in 49 states and Washington D.C., Annex serves as the prototype engineer for several national clients, establishing design standards that reduce construction costs and timelines while increasing consistency and quality.

WebsitePhone1 officeFounded 2017Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC System DesignService: Central Plant SystemsIndustry: CommercialIndustry: RetailType: MEP+31 more

Ardebili Engineering

Scottsdale, AZ

We deliver efficiency without ever compromising on quality.

WebsitePhone2 offices5 leadersFounded 2009Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Ventilation & Indoor Air QualityService: Chilled & Heated Water SystemsIndustry: CommercialIndustry: EducationType: MEP+31 more

Ashe Consultants, PLLC

Ashburn, VA

MEP engineering specializing in complex renovation projects

WebsitePhone1 office7 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC DesignService: Plumbing DesignIndustry: GovernmentIndustry: FederalType: MEP+19 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

Axiom Engineering Group

Missoula, MT

Dream Bigger, Build Better

WebsitePhone4 offices5 projects1 credentialsFounded 2004Size Estimate: 11-50 employees

Project: Simms Fishing Corporate Headquarters

Service: Structural EngineeringService: Structural Designing, Planning & DraftingService: Industrial Structures Design & AnalysisIndustry: CommercialIndustry: ResidentialType: Structural Engineering+60 more

Aztech Engineers, Inc.

Hartford, CT

Hartford, CT-based Consulting Engineers Specializing in HVAC, Plumbing, Fire-Protection, Electrical, and Geo-Thermal Heat Pump Systems

WebsitePhone1 office2 leaders4 credentialsFounded 1995Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC DesignService: Geo-Thermal Heat Pump SystemsIndustry: EducationIndustry: CommercialType: MEP+16 more

B2Q Associates

Andover, MA

Better Buildings. Impactful Results.

WebsitePhone1 office8 projects7 leaders4 credentialsFounded 2002

Project: Isenberg School of Management Addition

Service: Building DecarbonizationService: Carbon neutrality and net-zero designService: Electrification feasibility and designIndustry: EducationIndustry: LaboratoriesType: MEP+40 more