Public engineering firm directory

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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 detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact AssessmentService: Air QualityIndustry: Land DevelopmentIndustry: TransportationType: Civil Engineering+50 more

Applemon

New York, NY

Engineers and Scientists

WebsitePhone2 offices22 projects1 credentialsFounded 2002Updated Jun 2026

Project: Infrastructure Upgrade in Coney Island

Service: Structural EngineeringService: Structural DesignService: Plan ModificationsIndustry: InfrastructureIndustry: ResidentialType: Automation & Controls+27 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

Big Sky Acoustics

Helena, MT

Acoustical Design and Noise Control

WebsitePhone1 office1 projects2 leadersFounded 1999Updated Jun 2026

Project: Butte High School Auditorium

Service: Architectural AcousticsService: Architectural Acoustical DesignService: HIPAA Acoustical ComplianceIndustry: Arts & CultureIndustry: CommercialType: Acoustic Consulting+24 more

Caird Sextant, LLC

Annandale, VA

From the Poles to the Tropics - and Everywhere in Between

WebsitePhone1 office5 projects2 publicationsFounded 2013Size Estimate: 1-9 employees

Project: LCS Full Ship Shock Trial - Environmental Mitigation

Service: Research and Development SupportService: Ocean Science ResearchService: Energy Technology EvaluationIndustry: DefenseIndustry: GovernmentType: Environmental Engineering+19 more

Condition Analyzing Corporation

St Johns, FL

A Global Leader in Shipboard Vibration Condition Monitoring

WebsitePhone9 offices3 credentialsUpdated Jun 2026

Service detail: Vibration Condition Monitoring Programs

Service: Vibration Condition Monitoring ProgramsService: Insource Vibration ProgramsService: Outsource Vibration ProgramsIndustry: MarineType: Acoustic Consulting+17 more

Dulles Geotechnical and Materials Testing Services, Inc.

Chantilly, VA

Geotechnical engineering, construction inspection, materials testing, and software solutions

WebsitePhone4 offices10 projects7 credentialsFounded 2012Size Estimate: 70+ employees

Project: I-495 Express Lanes Northern Extension (I-495 NEXT)

Service: Geotechnical EngineeringService: Engineering Analysis and DesignService: Foundation DesignIndustry: Highways & RoadsIndustry: TransitType: Geotechnical Engineering+36 more

GMTS, PSC

San Juan, PR

Geoprofessional and Materials Testing Services

WebsitePhone1 office13 projects3 leaders4 credentialsFounded 1996

Project: Route PR-66 Phase I and II

Service: Geotechnical EngineeringService: Site EvaluationService: Geotechnical Design AnalysisIndustry: Highways & RoadsIndustry: Ports & HarborsType: Geotechnical Engineering+52 more

McGuire Engineers, Inc.

Chicago, IL

Excellence by Design, Sustainability by Commitment

WebsitePhone1 office15 projects3 leaders17 credentialsFounded 1986

Project: The Momentary

Service: MEP Engineering DesignService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: Arts & CultureType: MEP+45 more

Meridian Environmental, Inc.

Seattle, WA

Environmental Science and Regulatory Compliance Services

WebsitePhone1 office2 projects4 credentialsSize Estimate: 5-20 employeesUpdated Jun 2026

Project: Lewis River FERC License Implementation Studies

Service: Aquatic ResourcesService: Fish passage assessmentsService: Instream habitat assessments and flow studiesIndustry: HydroelectricIndustry: Natural ResourcesType: Environmental Engineering+15 more

Migizi Group Inc

Bothell, WA

Full-service environmental, geotechnical, civil, and surveying consulting

WebsitePhone2 offices10 projects2 leadersFounded 2012Updated Jun 2026

Project: Port of Bellingham - Multiple Hazardous Materials Surveys

Service: Environmental EngineeringService: Phase I Environmental Site AssessmentsService: Phase II Environmental Site AssessmentsIndustry: EducationIndustry: Environmental & RemediationType: Civil Engineering+70 more

Municon West Coast Inc

San Francisco, CA

protect infrastructure and minimize risk through CONSTRUCTION MONITORING

WebsitePhone3 offices10 projects1 leadersFounded 1991Updated Jun 2026

Project: 181 Fremont Street

Service: Remote MonitoringService: Dust MonitoringService: Groundwater MonitoringIndustry: Water ResourcesIndustry: BridgesType: Geotechnical Engineering+24 more

Navarro & Wright Consulting Engineers, Inc.

New Cumberland, PA

Delivering High Quality, Efficient Transportation Solutions

WebsitePhone7 offices4 projects5 leaders13 credentialsFounded 1996

Project: Pittsburgh International Airport Terminal Modernization

Service: Transportation EngineeringService: Highway & Bridge DesignService: Traffic EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+46 more

RML Acoustics, LLC

Charlotte, NC

Acoustical consulting and noise control services across the Southeast

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Noise Control and Vibration Isolation

Service: Noise Control and Vibration IsolationService: MEP System Noise Control and Vibration IsolationService: Architectural Noise ControlIndustry: CommercialIndustry: ResidentialType: Acoustic Consulting+22 more

RTP Environmental Associates, Inc.

Westbury, NY

Full-service environmental consulting for complex technical and regulatory challenges.

Website1 office3 credentialsUpdated Jun 2026

Service detail: Air Permitting and Compliance

Service: Air Permitting and ComplianceService: Title V and PSD PermittingService: Compliance Audits and ProgramsIndustry: Environmental & RemediationIndustry: Emissions ControlType: Environmental Engineering+19 more

Ramboll

Bright ideas. Sustainable change.

Website8 projects8 leaders5 credentials3 publicationsFounded 1945Size Estimate: 18,000 employees

Project: Transforming a coal-fired power plant site into a low-carbon digital hub

Service: Engineering and Design ServicesService: Structural EngineeringService: Mechanical and Electrical EngineeringIndustry: Data CentersIndustry: Mission Critical FacilitiesType: Architecture & Engineering+44 more

The Mannik & Smith Group, Inc.

Toledo, OH

Technical Skill. Creative Spirit.

Website3 offices8 projects4 leaders2 credentialsFounded 1955Size Estimate: 50-200 employees

Project: Waterfront Walkway Seawall

Service: Civil EngineeringService: Site DevelopmentService: Stormwater Management & Green InfrastructureIndustry: TransportationIndustry: GovernmentType: Civil Engineering+59 more

VEC

Burlingame, CA

Mitigation for Precision Instruments

WebsitePhone2 offices2 projects8 publicationsFounded 1986Size Estimate: 1-25 employees

Project: Data Center Acoustic Noise Compliance Study

Service: Site EvaluationsService: Point Site SurveysService: Multi-Day Site SurveysIndustry: SemiconductorsIndustry: LaboratoriesType: Acoustic Consulting+24 more

Vang Inc. Consulting Engineers

Fresno, CA

Designing Communities For The Future

WebsitePhone3 offices2 credentialsUpdated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Traffic Impact StudiesService: Traffic Signal PlansIndustry: GovernmentIndustry: TransportationType: Civil Engineering+64 more

Wave Engineering, Inc.

Littleton, CO

Consultants in Acoustics, Noise and Vibration

WebsitePhone3 offices6 projectsFounded 2012Updated Jun 2026

Project: Pecos Street Bridge - I70

Service: Architectural Acoustics DesignService: Sound Isolation DesignService: Room Acoustics DesignIndustry: HealthcareIndustry: EducationType: Acoustic Consulting+45 more