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.

Filters1

Ammonite Resources

Houston, TX

Ammonite Resources provides geotechnical and economic advisory services for the petroleum and mineral industries worldwide. Established in 1982, it assists clients with investment due diligence, strategic planning, international contract negotiations, corporate finance, and acquisitions and divestitures. It is headquartered in Connecticut with a network of associate offices across the United States, Canada, and the United Kingdom.

Website9 offices25 leadersFounded 1982
Service: Investment Due DiligenceService: First-Pass Opportunity ReviewsIndustry: Oil & GasType: Geotechnical Engineering+21 more

Anacapa Engineering and Design, Inc.

Bakersfield, CA

Transform Your Vision with Our Professional Engineering Team.

WebsitePhone1 office2 projects
Service: Mechanical EngineeringService: System Design From Prototyping To ProductionIndustry: IndustrialType: Civil Engineering+38 more

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects
Service: EngineeringService: Civil EngineeringIndustry: Power GenerationType: Civil Engineering+48 more

Anderson Professional Services, LLC

Lexington, KY

Industry-leading expertise with innovation and unparalleled work ethic

WebsitePhone2 offices1 credentials
Service: Geotechnical Engineering & Subsurface InvestigationsService: Subsurface InvestigationsIndustry: RailType: Geotechnical Engineering+26 more

Anderson Psomas

Saratoga Springs, UT

Anderson Psomas is a multi-discipline engineering firm based in Saratoga Springs, Utah, providing civil, structural, environmental, mining, industrial, and energy infrastructure engineering alongside land surveying services. With over 35 years of experience and more than 5,000 completed projects, it navigates complex regulatory requirements and permitting to move clients from concept to construction. Anderson Psomas is licensed in Utah, Idaho, Colorado, Wyoming, New Mexico, Nevada, and Texas.

WebsitePhone1 officeUpdated Jun 2026
Service: Civil EngineeringService: Residential Subdivisions and Custom HomesIndustry: ResidentialType: Civil Engineering+23 more

Apex Companies Llc Or

Rockville, MD

Shaping a safe, sustainable, and equitable future.

Website1 office1 credentialsFounded 1988
Service: EnvironmentalService: Health and SafetyIndustry: AerospaceType: Environmental Engineering+45 more

Apex Engineering, LLC

Tacoma, WA

Our hands-on management philosophy allows us to give each project our personal attention and assures high quality results.

WebsitePhone1 office3 projects
Service: Civil EngineeringService: Site Development DesignIndustry: CommercialType: Civil Engineering+21 more

Applied Chemical Technology, Inc.

Florence, AL

Applied Chemical Technology (ACT) is a one-stop engineering, research and development, and fabrication firm founded in 1981 and headquartered in Florence, Alabama. ACT specializes in chemical process scale-up, providing integrated engineering, laboratory and pilot plant R&D, and custom equipment fabrication for clients in the chemical, fertilizer, agriculture, and mining industries. Its 84,500-square-foot Florence campus includes office, laboratory, fabrication, and pilot plant facilities, and its ASME VIII Div 1 pressure vessel shop supports design and build of custom reactors and process systems.

WebsitePhone1 office1 credentials
Service: EngineeringService: Process EngineeringIndustry: ChemicalsType: Chemical Engineering+23 more

Applied Materials Technologies Inc.

Wheaton, IL

Confidence and Clarity

WebsitePhone1 office1 credentials
Service: Forensic InvestigationsService: Fire and Explosion InvestigationIndustry: InsuranceType: Forensic Engineering+47 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects
Service: Electrical EngineeringService: Lighting Design and ModelingIndustry: WastewaterType: Automation & Controls+35 more

Ardaman & Associates, Inc.

Orlando, FL

Meeting All Your Project Needs, Anywhere

WebsitePhone8 offices7 projects
Service: Geotechnical and Foundation EngineeringService: Subsurface exploration and boringsIndustry: MiningType: Civil Engineering+67 more

Arizona Surveying, Inc.

Flagstaff, AZ

Passion and Leadership

Website2 offices2 projects2 leaders
Service: Land SurveyingService: Boundary surveysIndustry: GovernmentType: Land Surveying+17 more

Associated Engineers, Inc.

Madisonville, KY

Integrity - Experience - Growth, Since 1958

WebsitePhone3 offices5 credentials
Service: Civil EngineeringService: Site Selection and DevelopmentIndustry: InfrastructureType: Civil Engineering+35 more

Astra Engineering LLC

Twin Falls, ID

Industrial Design, Automation, and Engineering Solutions

WebsitePhone1 office2 projects
Service: Construction EngineeringService: Civil EngineeringIndustry: ManufacturingType: Civil Engineering+34 more

Ata Engineering Inc

Redefining What’s Possible in Aerospace and Defense

WebsiteUpdated Jun 2026
Service: Design and ManufacturingService: Mechanical DesignIndustry: AerospaceType: Aerospace Engineering+17 more

Auth Consulting & Associates

Menomonie, WI

Plan. Design. Engineer.

WebsitePhone2 offices5 leaders
Service: Agricultural EngineeringService: Agricultural Facility DesignIndustry: AgricultureType: Civil Engineering+43 more

Autologic LLC

North Chesterfield, VA

Electrical and Controls Engineering, Design, & Programming Services

WebsitePhone2 offices4 projects
Service: Electrical and Controls EngineeringService: Electrical DesignIndustry: MiningType: Automation & Controls+47 more

BHATE Geosciences

Birmingham, AL

Build your project on solid ground with BHATE.

WebsitePhone1 office6 projects
Service: Geotechnical EngineeringService: Subsurface ExplorationIndustry: GovernmentType: Geotechnical Engineering+28 more

Baghouse Duct Design dot Com

Golden, CO

Dust Collection Consultant & Industrial Ventilation Engineer

WebsitePhone1 office4 projects
Service: Air Pollution Control System DesignService: Baghouse and Cartridge Collector SystemsIndustry: ManufacturingType: Environmental Engineering+21 more

Baird & Associates

Oakville, ON

Innovation Engineered.®

WebsitePhone14 offices2 projects
Service: Ports, Terminals & Vessel OperationsService: Port & Terminal PlanningIndustry: Ports & HarborsType: Coastal Engineering+40 more

Barr Engineering Co.

Minneapolis, MN

Designing What's Next

WebsitePhone18 offices6 projects
Service: Engineering and DesignService: Mine Tailings Management EngineeringIndustry: MiningType: Civil Engineering+36 more

Battle Born Ventures, LLC

Sparks, NV

Reliable Service & Quality Land Surveys

WebsitePhone1 office6 projects
Service: Boundary SurveysService: Property corner location surveysIndustry: Land DevelopmentType: Land Surveying+52 more

Bell Design Company

Bingen, WA

Your Trusted Engineering Partner in the Pacific Northwest

WebsitePhone1 office5 leaders
Service: Water Systems EngineeringService: Water System, Pump Station & PRV Vault DesignIndustry: ResidentialType: Civil Engineering+90 more

Beran Environmental Services, Inc.

Boyers, PA

Experienced Professionals Delivering Proven Solutions

Website1 office1 leaders1 credentials
Service: Environmental Compliance and PermittingService: Engineering Design ServicesIndustry: Oil & GasType: Environmental Engineering+5 more