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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A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects2 credentialsFounded 1984Updated Jun 2026

Project: Cumberland Levee Repair at Lake Texoma

Service: Construction & Remediation ServicesService: Landfill ConstructionService: Impoundments & Water StructuresIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+72 more

A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects2 credentialsUpdated Jun 2026

Project: NGM Cortez Hills Underground and Goldrush Master Survey Control Networks

Service: Civil EngineeringService: Streets and Highway DesignService: Aviation InfrastructureIndustry: GovernmentIndustry: FederalType: Civil Engineering+45 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 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

AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects12 leaders3 credentialsFounded 2000

Project: Boer Dairy Expansion

Service: Agricultural EngineeringService: Site SelectionService: Dairy Facility DesignIndustry: AgricultureIndustry: IndustrialType: Civil Engineering+55 more

AG|CM

Corpus Christi, TX

Professional Project Management Group

WebsitePhone5 offices4 projects10 credentialsFounded 1996Updated Jun 2026

Project: Harris County Emergency Corps Building Projects

Service: Program ManagementService: Master Planning & ProgrammingService: Feasibility AnalysisIndustry: HealthcareIndustry: EducationType: Owner's Engineer+24 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

Abysmal Corporation LLC

Integrated Engineering, Environmental, and IT Solutions for Efficiency, Safety, and Sustainability

Website6 projectsUpdated Jun 2026

Project: Redstone Arsenal Facility Audits & Energy Systems

Service: Engineering ServicesService: Chemical EngineeringService: Civil EngineeringIndustry: Environmental & RemediationIndustry: ChemicalsType: Environmental Engineering+22 more

Accelerate Engineering, LLC

Houston, TX

Crafting sustainable solutions that enrich lives

WebsitePhone1 office2 leadersFounded 2022Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway DesignService: Traffic EngineeringIndustry: TransportationIndustry: WastewaterType: Civil Engineering+22 more

Acker & Associates

Green Bay, WI

Consulting engineering, audits and analysis

WebsitePhone1 office4 projects1 leaders3 credentials3 publications

Project: Curwood Gas-Fired Make-Up Air System Design

Service: Condensation & Moisture AnalysisService: Building Water Vapor TransmissionService: Blower Door & Infrared DiagnosticsIndustry: Pulp & PaperIndustry: IndustrialType: Mechanical Engineering+23 more

Adley Services, LLC

Lafayette, LA

Onshore or offshore. Upstream, midstream, or downstream.

WebsitePhone1 office4 leadersSize Estimate: 10-50 employeesUpdated Jun 2026

Service detail: Facilities Engineering and Design

Service: Facilities Engineering and DesignService: Offshore and Onshore Facilities DesignService: Industrial and Refining Facility EngineeringIndustry: Oil & GasIndustry: PetrochemicalType: Process Safety Engineering+27 more

Advance Design Consultants Inc

San Jose, CA

Experience. Passion. Excellence.

WebsitePhone1 office7 projects2 leadersFounded 1984Updated Jun 2026

Project: BD Utility Chiller Plant (Project Granite)

Service: Architecture & PlanningService: Architectural DesignService: Architectural PlanningIndustry: CommercialIndustry: Data CentersType: Architecture & Engineering+38 more

Advanced Creative Industries

Evansville, IN

Customer-guided and self-directed engineering and design-build services

WebsitePhone1 office7 projects1 leadersUpdated Jun 2026

Project: 27 Ft. Film Stretcher and Tester Machine

Service: Industrial Machinery & EquipmentService: Process Skid EngineeringService: Custom Machine DevelopmentIndustry: ManufacturingIndustry: IndustrialType: Process Engineering+26 more

Advanced Productivity Engineering

Austin, TX

Making your business as productive as possible.

WebsitePhone1 office1 credentialsFounded 2006Updated Jun 2026

Service detail: Industrial Engineering Consulting

Service: Industrial Engineering ConsultingService: Facilities Layout Using Systematic Layout ProcessService: Work SamplingIndustry: ManufacturingType: Industrial Engineering+25 more

Advanced Professional Engineering Consultants

Corona, CA

Built for real world project delivery

WebsitePhone1 office5 credentialsFounded 2005Updated Jun 2026

Service detail: Mechanical Engineering & HVAC Design

Service: Mechanical Engineering & HVAC DesignService: HVAC System Design and Air DistributionService: Cooling Systems and Chilled Water DesignIndustry: CommercialIndustry: RetailType: MEP+46 more

Advantus Engineers

Pittsburgh, PA

Advantus Engineers is a Pittsburgh-based engineering consulting practice founded in 2004, specializing in building commissioning, sustainability consulting, MEP assessments, construction quality assurance, and environmental compliance. It serves public, institutional, and commercial clients across the Pittsburgh region. Over more than two decades, the practice has supported LEED certifications, water quality programs, and on-call MEP engineering for clients including the Pittsburgh Water and Sewer Authority and the David L. Lawrence Convention Center.

WebsitePhone1 office7 projects9 leaders3 credentialsFounded 2004

Project: Western Butler County Authority Administration Building

Service: Building CommissioningService: Design and Submittal AnalysisService: Controls and Checklist FormulationIndustry: GovernmentIndustry: CommercialType: MEP+40 more

Agarabi Engineering PLLC

New York, NY

Energy efficiency engineering and clean energy design for the built environment

WebsitePhone1 office3 projects2 leaders6 credentialsFounded 2014

Project: Domestic Hot Water and Pool Heating Systems Replacement Design

Service: MEP & Enclosure DesignService: Air-Source Heat Pump DesignService: Domestic Hot Water System DesignIndustry: Multifamily ResidentialIndustry: Affordable HousingType: Mechanical Engineering+30 more

Akinaka & Associates, Ltd.

Honolulu, HI

Providing professional civil engineering services to the Hawaii community since 1941

WebsitePhone1 office2 projects8 leaders1 credentialsFounded 1941

Project: Waimea District Park

Service: General Civil EngineeringService: Providing Comprehensive Civil DesignService: Roadway EngineeringIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+21 more

AlfaTech

Harmonizing Relationships, Sustainability and Innovation

Website10 projects13 leadersUpdated Jun 2026

Project: The Lucas Museum of Narrative Art

Service: MEP EngineeringService: Mechanical Engineering DesignService: Electrical Engineering DesignIndustry: CommercialIndustry: RetailType: MEP+65 more

Allen + Shariff

Columbia, MD

Engineering Together

WebsitePhone7 offices3 projects9 leadersUpdated Jun 2026

Project: Wallops Mission Operations Command Center

Service: MEP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialIndustry: ResidentialType: MEP+34 more

Alliance Technical Group

Decatur, AL

Alliance Technical Group is a full-service environmental services company founded in 2000 in Decatur, Alabama, with over 2,200 employees and more than 60 testing and laboratory locations across the United States and Canada. Alliance helps industrial, manufacturing, energy, and government clients achieve environmental compliance through on-site testing and monitoring, laboratory testing and analysis, and regulatory consulting. The company operates 110-plus mobile laboratories and delivers services across stack testing, LDAR, ambient air monitoring, CEMS, and environmental consulting.

WebsitePhone1 office4 leadersFounded 2000Updated Jun 2026

Service detail: Environmental Compliance

Service: Environmental ComplianceService: Regulatory StrategyService: Compliance AuditsIndustry: IndustrialIndustry: ChemicalsType: Environmental Engineering+19 more

Alliant Systems

Portland, OR

Alliant Systems is an integrated mechanical engineering and construction firm headquartered in Portland, Oregon, with offices in Eugene and Bend, Oregon, and Seattle, Washington. Founded approximately 25 years ago, Alliant provides in-house mechanical systems engineering, mechanical construction, HVAC and plumbing service, building automation, and energy consulting for commercial, institutional, and light-industrial clients across Oregon and Washington. The firm is known for a true design-build process that integrates engineers, project managers, and field personnel from concept through commissioning, and all principal engineers are LEED-certified.

WebsitePhone4 offices1 leadersUpdated Jun 2026

Service detail: Mechanical Systems Engineering

Service: Mechanical Systems EngineeringService: Design-Build Mechanical EngineeringService: BIM & Virtual Design and Construction (VDC)Industry: CommercialIndustry: HealthcareType: MEP+11 more

Alta Environmental & Infrastructure

Tucson, AZ

Partnering to Build & Protect What Matters Most

WebsitePhone5 offices10 projects14 leaders3 credentialsSize Estimate: 250-999 employees

Project: ADOT I-10 Tucson Reconstruction

Service: Civil EngineeringService: Site Civil DesignService: Grading, Drainage & Stormwater ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+30 more

Alytic, Inc.

King George, VA

Government Contractor, Seaport-e Prime Contract Holder and Experts on Navy Energy Conservation

WebsitePhone1 office3 leadersFounded 2011Updated Jun 2026

Service detail: Engineering Services and Technical Support

Service: Engineering Services and Technical SupportService: Concept Definition and RefinementService: Research and DevelopmentIndustry: DefenseIndustry: FederalType: Defense Engineering+26 more