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-Tech Consulting, Inc.

Orange, CA

Creating A Safer Tomorrow, Today

WebsitePhone4 offices7 leaders
Service: Industrial HygieneService: Asbestos Survey and ConsultingIndustry: Environmental & RemediationType: Environmental Engineering+23 more

AFORGE LLC

Lorton, VA

Accelerating the Speed of Knowledge to Support National Security

WebsitePhone3 offices6 credentials
Service: Strategy, Advisory, & ConsultingService: Strategic & Operational PlanningIndustry: DefenseType: Defense Engineering+30 more

ARGO Systems, LLC

Baltimore, MD

Innovative Construction Solutions

WebsitePhone6 offices1 credentials
Service: Program and Project ManagementService: Project Planning and SchedulingIndustry: GovernmentType: Electrical Engineering+28 more

ATALA ECR, Inc.

El Cajon, CA

Staffing - Construction - Remediation

WebsitePhone1 office1 credentials
Service: Project StaffingService: Construction SuperintendentsIndustry: FederalType: Environmental Engineering+26 more

AVH Technology Partners

Boston, MA

Your Partners in Technology.

WebsitePhone3 offices8 leaders
Service: Audiovisual StrategyService: Return-to-Work StrategiesIndustry: CommercialType: Telecom / RF Engineering+16 more

Adley Services, LLC

Lafayette, LA

Onshore or offshore. Upstream, midstream, or downstream.

WebsitePhone1 office4 leaders
Service: Facilities Engineering and DesignService: Offshore and Onshore Facilities DesignIndustry: Oil & GasType: Process Safety Engineering+29 more

Allied Engineering Design Inc

New Milford, NJ

Design Solution for Everyone

WebsitePhone1 office1 leaders
Service: Structural EngineeringService: Commercial Structural DesignIndustry: CommercialType: Civil Engineering+22 more

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

Aries Aero Systems LLC

Aerospace Product Certification Consultants

WebsiteUpdated Jun 2026
Service: FAA Certification and DER ServicesService: Certification Plan DevelopmentIndustry: AerospaceType: Aerospace Engineering+28 more

Armison Tech, Inc.

Stone Ridge, VA

Cyber Security Consulting

WebsitePhone1 officeFounded 2012
Service: Cybersecurity and Network EngineeringService: Penetration TestingIndustry: SoftwareType: Software Engineering+27 more

Asplundh Engineering Services, LLC

Horsham, PA

The name you trust for power generation, transmission and distribution infrastructure engineering services

Website1 office4 projectsUpdated Jun 2026
Service: Distribution EngineeringService: Greenfield Distribution DesignIndustry: Electric UtilitiesType: Power & Utility Engineering+32 more

Avaabi Consulting Ltd

Atlanta, GA

Quality that sets the Standard

Website1 office1 leaders5 credentials
Service: Geotechnical EngineeringService: Soil Survey StudiesIndustry: Highways & RoadsType: Geotechnical Engineering+35 more

Brandes Associates, Inc.

Lone Tree, CO

Breadth. Agility. Innovation.

WebsitePhone2 officesFounded 1990
Service: Agile Software DevelopmentService: Agile Release Train IntegrationIndustry: GovernmentType: Defense Engineering+29 more

C S Engineering, Inc.

Knoxville, TN

Providing quality services through engineering excellence.

Website1 office7 leadersFounded 1992
Service: Nuclear EngineeringService: Nuclear SafetyIndustry: ChemicalsType: Process Safety Engineering+12 more

CLAD Consulting, Inc.

San Luis Obispo, CA

Engineering Services Horsepower

WebsitePhone1 office4 projects
Service: Engineering ConsultingService: Preconstruction SupportIndustry: GovernmentType: Civil Engineering+32 more

CMM Inc.

Hudson, OH

Premier Engineering Design, Construction Support, and Maintenance Services

WebsitePhone1 office8 leaders
Service: Construction ManagementService: Peer Review and DesignIndustry: IndustrialType: Civil Engineering+67 more

California Engineering Company Inc

Yuba City, CA

Designers, Engineers, and Surveyors

WebsitePhone2 offices6 projects
Service: Civil EngineeringService: Municipal InfrastructureIndustry: GovernmentType: Civil Engineering+25 more

Calvin, Giordano & Associates, Inc.

Fort Lauderdale, FL

Empowering Florida Communities to Thrive

WebsitePhone1 office6 projects
Service: Building Department ServicesService: Full-Service Building Department ManagementIndustry: GovernmentType: Civil Engineering+36 more

Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects
Service: EngineeringService: Pipeline EngineeringIndustry: Oil & GasType: EPC+53 more

Citrine LLC

Lakewood, CO

Citrine LLC is a professional engineering and commissioning practice based in Lakewood, Colorado, with an additional office in Grand Junction. It provides engineering design, commissioning, construction period services, and consulting services for commercial and government clients. Its technical expertise spans building design, power generation, campus infrastructure, arc flash analysis, fire protection, water treatment, and life-safety systems.

WebsitePhone2 offices4 projects
Service: Engineering DesignService: Detailed DesignIndustry: CommercialType: MEP+21 more

DLZ Corporation

Columbus, OH

Innovative Ideas | Exceptional Design | Unmatched Client Service

WebsitePhone1 office9 projects
Service: Transportation EngineeringService: Interchange and Highway DesignIndustry: Highways & RoadsType: Architecture & Engineering+75 more

Engineered Systems & Services, LLC

Suwanee, GA

Engineering For A Better World

WebsitePhone1 office4 projects
Service: Building Mechanical EngineeringService: HVAC system design and upgradesIndustry: CommercialType: MEP+34 more

GWES, LLC

Roswell, GA

Smart Infrastructure Engineered for Lasting Community Impact

WebsitePhone4 offices10 projects
Service: Civil EngineeringService: Wastewater Collection and TreatmentIndustry: GovernmentType: Civil Engineering+30 more

GaN Corporation

Huntsville, AL

Innovate with Purpose

Website2 offices1 leadersUpdated Jun 2026
Service: Training, Test & EvaluationService: T&E Capability DevelopmentIndustry: DefenseType: Defense Engineering+53 more