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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ACT Engineers, Inc.

Robbinsville, NJ

Civil, Coastal, and Environmental Engineering and Consulting Practice

WebsitePhone3 offices5 projects8 leaders6 credentialsFounded 1991

Project: Arney's Mount West Trail

Service: Civil/Site EngineeringService: Coastal EngineeringService: Flooding and ResiliencyIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+28 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

ARM EnerTech Associates, LLC

Johnstown, PA

Precise. Responsive. Solutions.

WebsitePhone4 offices4 projects7 credentialsFounded 1976Updated Jun 2026

Project: Fresh Water Withdrawal Station

Service: Automation & Control ServicesService: Supervisory Control & Data Acquisition (SCADA)Service: Industrial Process ControlIndustry: ManufacturingIndustry: UtilitiesType: Automation & Controls+31 more

ARM Group LLC

Hummelstown, PA

Precise. Responsive. Solutions.

WebsitePhone1 office1 projects8 credentialsFounded 1998Size Estimate: 250-500 employees

Project: Annapolis Landfill Solar

Service: Civil Engineering & Land SurveyingService: Site Planning & EntitlementService: Site Plan DesignIndustry: CommercialIndustry: RetailType: Automation & Controls+52 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007Size Estimate: 100-999 employeesUpdated Jun 2026

Service detail: VDC & BIM Services

Service: VDC & BIM ServicesService: Architectural BIM ServicesService: Structural BIMIndustry: HealthcareIndustry: InfrastructureType: Architecture & Engineering+32 more

Alliance Consulting, Inc.

Beaver, WV

Professional Consulting Services

WebsitePhone2 offices6 projects15 credentialsFounded 2001Updated Jun 2026

Project: Flat Top Lake Dam

Service: Civil EngineeringService: Site Development ServicesService: Structural Engineering ServicesIndustry: MiningIndustry: Oil & GasType: Civil Engineering+53 more

Apex Engineers, Inc.

Kansas City, MO

Your Engineering Partner in Projects Large and Small

WebsitePhone7 offices1 projects8 leadersFounded 2003Size Estimate: 50+ employees

Project: Multi-Sector Structural Engineering Portfolio

Service: Structural DesignService: Commercial Structural DesignService: Residential Structural DesignIndustry: CommercialIndustry: RetailType: Structural Engineering+26 more

Apogee Engineering, LLC

Harrison City, PA

Professional engineering services for integrated building design

WebsitePhone1 office9 projects3 leadersUpdated Jun 2026

Project: Petrie Residence Addition & Renovation

Service: Electrical EngineeringService: LightingService: Fire AlarmIndustry: CommercialIndustry: EducationType: Electrical Engineering+17 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

Bala Consulting Engineers, Inc.

Wayne, PA

Engineering a better future focused on the human experience.

WebsitePhone5 offices10 projects12 leaders2 credentialsFounded 1982

Project: Cencora

Service: Mechanical EngineeringService: HVAC and Mechanical SystemsService: Plumbing and Fire ProtectionIndustry: CommercialIndustry: TransportationType: MEP+29 more

Burns Engineering, Inc.

Philadelphia, PA

Partners in Reliability, Resilience, Innovation, Sustainability, and Safety

Website6 offices14 projects12 leaders15 credentials5 publicationsFounded 1960

Project: Pittsburgh International Airport Terminal Modernization Program

Service: Electrical EngineeringService: Power Infrastructure RenewalService: Campus Electrical ModernizationIndustry: AviationIndustry: RailType: Aviation Engineering+52 more

David Mason + Associates

St. Louis, MO

Exceptional Engineering. Innovative Construction Services. Dedicated to Our People.

WebsitePhone7 offices7 projectsFounded 1989Size Estimate: 100-250 employeesUpdated Jun 2026

Project: Jefferson National Expansion Memorial - Gateway Arch Grounds Renovations

Service: Civil EngineeringService: Structural EngineeringService: Survey and 3D ScanningIndustry: HealthcareIndustry: EducationType: Civil Engineering+20 more

Drm International Inc

Radnor, PA

Proven. Driven. Visionary.

Website2 offices1 leaders2 credentialsFounded 2000Updated Jun 2026

Service detail: Construction Management

Service: Program ManagementService: Construction ManagementService: Construction AdministrationIndustry: RailIndustry: TransitType: Architecture & Engineering+20 more

Envinity, Inc.

State College, PA

Energy efficiency is what we do.

WebsitePhone2 offices6 projects2 credentialsFounded 2005Updated Jun 2026

Project: Ferguson Township 108 kW Municipal Solar System

Service: Residential Solar SystemsService: Roof Mounted SolarService: Ground Mounted SolarIndustry: SolarIndustry: Renewable EnergyType: MEP+31 more

Fisher Associates, P.E., L.S., L.A., D.P.C.

Rochester, NY

Fisher Creates Infrastructure That Inspires

Website9 offices5 projects5 leadersUpdated Jun 2026

Project: Hopkins Avenue Over Chadakoin Bridge Replacement

Service: Infrastructure + MobilityService: Energy + EnvironmentService: Wind EnergyIndustry: TransportationIndustry: BridgesType: Civil Engineering+28 more

GZA GeoEnvironmental, Inc.

Norwood, MA

Solving Complex Challenges in Natural and Built Environments

WebsitePhone35 offices4 projectsSize Estimate: 800 employeesUpdated Jun 2026

Project: Upper Roberts Meadow Reservoir Dam Breach and Stream Restoration Project

Service: Geotechnical EngineeringService: Environmental Site Investigation and RemediationService: Environmental Site InvestigationIndustry: AgricultureIndustry: IndustrialType: Geotechnical Engineering+29 more

Gatter & Diehl

Mechanicsburg, PA

Together. Shaping The Future.

WebsitePhone2 offices2 leaders1 credentialsFounded 1946Updated Jun 2026

Service detail: Pre-Construction Planning

Service: Pre-Construction PlanningService: Mechanical EngineeringService: HVAC DesignIndustry: HealthcareIndustry: Senior LivingType: MEP+14 more

Hammontree & Associates, Limited

North Canton, OH

Engineers - Planners - Scientists - Surveyors

WebsitePhone3 offices5 leaders21 credentialsFounded 1966Updated Jun 2026

Service detail: Energy

Service: EnergyService: Oil and Gas Well Site Development and PermittingService: Solar Array Support and PermittingIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+52 more

Henderson Engineers

Lenexa, KS

Henderson Engineers is a national building systems engineering design and facility consulting firm headquartered in Lenexa, Kansas, with 15 offices across the United States. Its team of more than 1,000 engineers provides mechanical, electrical, plumbing, fire and life safety, refrigeration, telecommunications, security, acoustics, and commissioning services for retail, healthcare, commercial, grocery and distribution, sports venue, and data center markets.

Website15 offices4 leaders2 credentials2 publicationsSize Estimate: 1,000 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC SystemsService: Air DistributionIndustry: CommercialIndustry: RetailType: MEP+29 more

Holstein White Inc.

Trevose, PA

Building Solutions That Last

WebsitePhone1 office6 projects6 leaders4 credentialsSize Estimate: 11-50 employees

Project: Casa Indiana

Service: Mechanical EngineeringService: Variable Refrigerant Flow (VRF) System DesignService: Central Plant System DesignIndustry: CommercialIndustry: ResidentialType: MEP+50 more

LLI Engineering, Inc.

Pittsburgh, PA

Innovative Solutions in Architecture & Engineering Since 1910

WebsitePhone1 office12 projects9 leaders4 credentialsFounded 1910

Project: Pittsburgh International Airport Microgrid

Service: Electrical EngineeringService: Power Distribution SystemsService: Standby Generation and MicrogridsIndustry: CommercialIndustry: HealthcareType: MEP+39 more

Martin Data Solutions LLC

York, PA

Engineering the New Standard.

WebsitePhone1 office12 projectsUpdated Jun 2026

Project: Reagan National Airport - New Security Checkpoints

Service: Mechanical EngineeringService: Facility Evaluations and AssessmentsService: Building Energy ModelingIndustry: GovernmentIndustry: DefenseType: MEP+54 more

McKim & Creed

Raleigh, NC

People Helping People Solve Complex Infrastructure Challenges

Website7 offices7 projects2 credentialsFounded 1984Size Estimate: 500-1,000 employeesUpdated Jun 2026

Project: City of Sarasota Lift Station 87

Service: Water & Wastewater EngineeringService: Water ManagementService: Wastewater ManagementIndustry: Water SupplyIndustry: WastewaterType: Automation & Controls+82 more

Morris Knowles & Associates, Inc.

Monroeville, PA

Morris Knowles & Associates, Inc. is a civil engineering, land surveying, and environmental science firm founded in 1916 and located near Pittsburgh in Monroeville, Pennsylvania. Offering complete civil engineering and land surveying services, it includes departments specializing in oil and gas well site development, solar array support and permitting, civil site development, environmental science, soil evaluation, municipal engineering, landscape architecture, UAV drone services, and construction monitoring. Morris Knowles has been ranked in the top 100 fastest-growing engineering firms in the nation on the Zweig Hot List and named among the 100 Fastest Growing Companies in Pittsburgh.

WebsitePhone1 office3 projects4 leaders8 credentialsFounded 1916

Project: Well Pad Site Design and Pipeline Design

Service: Civil Site DevelopmentService: Pre- And Post-development AssessmentsService: ZoningIndustry: Oil & GasIndustry: Renewable EnergyType: Civil Engineering+44 more