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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154 Tech LLC

Santa Barbara, CA

Advanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Technical Program Management

Service: Technical Program ManagementService: End-to-End Program ManagementService: Risk ManagementIndustry: DefenseIndustry: FederalType: Defense Engineering+28 more

4M Research, Inc.

Huntsville, AL

4M Research, Inc., headquartered in Huntsville, AL since 2010, specializes in engineering, enterprise solutions, and operations and logistics services across the DoD and NASA sectors. 4M provides quality engineering support to a wide variety of customers as both a prime contractor and a subcontractor. Its team of technical professionals is dedicated to supporting the business and mission goals of clients, with a portfolio of high-end technical skills and substantial past performance.

Website1 office1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Systems Engineering and AnalysisService: Software Engineering and SupportIndustry: AerospaceIndustry: AviationType: Aviation Engineering+12 more

ADC Engineering

Hanahan, SC

ADC's Track Record Speaks for Itself

WebsitePhone3 offices17 projectsUpdated Jun 2026

Project: CHS Taxiways Repair

Service: Civil EngineeringService: Site PlanningService: Site Selection and Property Data ReportIndustry: AviationIndustry: CommercialType: Aviation Engineering+66 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

AIMS Group, Inc.

Metairie, LA

Your Partner for Professional Engineering Consulting

WebsitePhone2 offices14 projects3 credentialsFounded 1996Size Estimate: 1-25 employees

Project: WSLP-105 and WSLP-108 Drainage Structures, Levees and Floodwalls

Service: Civil EngineeringService: Streets and RoadwaysService: Water InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+32 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

AVCON, INC.

Orlando, FL

Transforming Today's Ideas Into Tomorrow's Reality

WebsitePhone1 office8 projects4 leaders5 credentialsFounded 1988

Project: South Terminal Complex

Service: Aviation EngineeringService: Airport Planning, Master Plans & Layout PlansService: Airfield DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+29 more

Abacoll Solutions LLC

Dallas, TX

Your go-to Engineering and Project Management Partner

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Systems EngineeringService: Mechanical EngineeringIndustry: ManufacturingIndustry: TransportationType: Owner's Engineer+9 more

Abraxas Energy Consulting

Energy Efficiency & Building Energy Audits

Website5 projects1 credentials2 publicationsUpdated Jun 2026

Project: FBI Headquarters Energy Audit

Service: Energy ConsultingService: Commercial Energy AuditsService: Retro-CommissioningIndustry: CommercialIndustry: FederalType: Mechanical Engineering+27 more

Accolade Technologies LLC

Annapolis Junction, MD

Empowering organizations through technology

Website1 office2 credentialsFounded 2019Updated Jun 2026

Service detail: Software Development

Service: Software DevelopmentService: CybersecurityService: Network Security & AnalysisIndustry: GovernmentIndustry: FederalType: Software Engineering+26 more

Accurate Group, Inc.

Lincolnshire, IL

A solution-oriented international organization experienced in engineering and IT services.

Website1 office7 projectsFounded 1994Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Grand Ave. Ramp Reconstruction

Service: Civil EngineeringService: Land Development and Real Estate SupportService: Infrastructure Planning and OversightIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+36 more

Achates Power, Inc.

San Diego, CA

Fundamentally Better Engines

WebsitePhone2 offices4 projects2 credentialsFounded 2004Updated Jun 2026

Project: Ultralow NOx Diesel Heavy-Duty Engine Deployment

Service: Opposed-Piston Engine Technology LicensingService: Engine Design LicensingService: Development and Test ToolsIndustry: AutomotiveIndustry: DefenseType: Mechanical Engineering+14 more

Aegis

Silver Spring, MD

Keeping Construction Projects on Track

WebsitePhone8 offices5 projects7 leadersFounded 2006Updated Jun 2026

Project: Reagan National Airport

Service: Planning & SchedulingService: CPM Schedule DevelopmentService: Schedule Analytics, Quality Control, and KPI AnalysisIndustry: InfrastructureIndustry: AirportsType: Owner's Engineer+29 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

Alpha Associates, Inc.

Morgantown, WV

Architectural and Engineering Excellence for Over 55 Years

WebsitePhone2 offices3 projects4 leadersFounded 1969Updated Jun 2026

Project: North Elementary School Connector

Service: ArchitectureService: Sustainable Building DesignService: Commercial and Government FacilitiesIndustry: EducationIndustry: CommercialType: Architecture & Engineering+21 more

Alpha Omega Engineering

Boise, ID

Alpha Omega Engineering is a civil engineering firm based in Boise, Idaho, specializing in land development. Founded in 2006 and owned and operated by Mike Liimakka, a civil engineer practicing in Idaho's Treasure Valley since 1998, Alpha Omega brings over 30 years of civil consulting experience to commercial, hospitality, and residential projects across the region and nationwide. Its portfolio spans large multi-acre retail developments, big-box retail sites, multi-phase commercial projects, and residential subdivisions ranging from 3-lot projects to 510-lot communities. Clients include national retail brands such as Tractor Supply, Target, and Albertsons and hospitality names including Marriott, Hilton, and Hampton Inns.

WebsitePhone1 office3 projects1 leadersFounded 2006Updated Jun 2026

Project: Marriott Dual Branded Hotel - Hawthorne, CA

Service: Site Evaluation and FeasibilityService: Site Feasibility StudiesService: Hydrology and Hydraulic StudiesIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+21 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

Anil Verma Associates, Inc.

Los Angeles, CA

Anil Verma Associates, Inc. is a Los Angeles-based architectural-engineering practice offering a complete range of services from project concept development and budgeting through engineering, construction management, and facility turnover. Founded in 1985, it specializes in mass transit infrastructureΓÇöincluding high-speed rail, commuter rail, light rail, and monorail systemsΓÇöas well as civic, educational, government, and private development projects. Its portfolio includes major transit stations for LA Metro, Silicon Valley BART extensions, Honolulu Rail Transit, Sound Transit, and Amtrak facilities.

WebsitePhone1 office7 projects1 leaders2 credentials2 publications

Project: LA Metro Regional Connector - Little Tokyo/Arts District Station

Service: Architecture, Planning, and LandscapeService: Transit FacilitiesService: Civic FacilitiesIndustry: TransitIndustry: RailType: Architecture & Engineering+20 more

Applied Science & Technologies, Inc.

Inman, SC

Partnership built on proof. Not promises.

WebsitePhone1 office2 projectsUpdated Jun 2026

Project: METEOR Technology Transfer and Business Development

Service: Joint C2 and Tactical Data LinksService: Command-and-Control Architecture DesignService: Tactical Data Link IntegrationIndustry: DefenseIndustry: FederalType: Defense Engineering+44 more

Artemis Consulting, LLC

San Diego, CA

Professional support services for defense acquisition programs, systems, and processes

WebsitePhone1 office2 projects1 leadersFounded 2005Size Estimate: 100-499 employees

Project: PEO C4I Financial Management Enterprise Contract

Service: Financial ManagementService: Financial Management & ComplianceService: Accounting ServicesIndustry: DefenseIndustry: FederalType: Defense Engineering+11 more

Atriax Group

Hickory, NC

Atriax Group is an architecture and engineering firm headquartered in Hickory, North Carolina, providing architectural and interior design, engineering, project management, construction administration, and design-build services to military and government installations, healthcare facilities, and public and private sector clients nationwide. Founded in 2001 by two retired US Air Force civil engineering officers, the group operates as Atriax, PLLC for A/E services and Atriax Building Solutions, LLC for general contracting and design-build delivery.

WebsitePhone1 office5 leaders1 credentialsFounded 2001Size Estimate: 30+ employees

Service detail: Architecture & Interior Design

Service: Architecture & Interior DesignService: Operating RoomsService: Police StationsIndustry: FederalIndustry: DefenseType: Architecture & Engineering+20 more

Azar Design Co PC

Buffalo, NY

Bridging grace and imagination with functionality while delivering pragmatic solutions.

WebsitePhone5 offices4 projects8 leaders2 credentialsFounded 1979

Project: Jacobs School of Medicine & Biomedical Sciences

Service: ArchitectureService: Architectural DesignService: Historic PreservationIndustry: EducationIndustry: HealthcareType: Architecture & Engineering+112 more

BCS Allegient

Arlington, VA

Services and Solutions Optimized for Mission Success

WebsitePhone3 offices5 projects14 leaders3 credentialsFounded 2024

Project: U.S. Army Office of Energy Initiatives (OEI) Project Support

Service: Research Portfolio Execution and IntegrationService: Science & Engineering StudiesService: Energy Audits & BenchmarkingIndustry: GovernmentIndustry: FederalType: Defense Engineering+59 more

BREE & Associates, Inc.

Engineering and Construction Management Services

Website4 projects1 credentialsFounded 2000Updated Jun 2026

Project: Raleigh-Durham Airport Renovation and Expansion Program

Service: Construction ManagementService: Construction InspectionService: Construction AdministrationIndustry: AviationIndustry: EducationType: Civil Engineering+11 more