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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AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects2 leaders1 credentialsFounded 2014

Project: 5th Floor Med-Surg Inpatient Wing Gut & Remodel

Service: ArchitectureService: Architectural Concept DesignService: Design Development DocumentationIndustry: HealthcareIndustry: FederalType: Architecture & Engineering+48 more

Alter Engineers

Oakland, CA

Fostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.

WebsitePhone1 office4 projectsUpdated Jun 2026

Project: UC Berkeley Hildebrand Hall HVAC Modernization

Service: Mechanical, Plumbing, and Fire Protection EngineeringService: Mechanical and Plumbing Engineer of RecordService: Design Drawing CreationIndustry: EducationIndustry: Research FacilitiesType: Mechanical Engineering+23 more

Haddox Consulting Engineers

Vacaville, CA

Haddox Consulting Engineers is a civil engineering and land surveying firm based in Vacaville, California, focused on planning, design, and mapping services for development and public works projects. Led by Allan F. Haddox II, PE, PLS with over 30 years of experience, it handles land development from feasibility and conceptual master planning through final design, mapping, and construction of private and public improvements. Practice areas include urban and master planning, highway and roadway design, subdivision and parcel mapping, creek and wetland restoration, stormwater and watershed analysis, sanitary sewer design, domestic water distribution, pump station design, and reservoir storage tank design.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Planning

Service: PlanningService: Urban PlanningService: Master PlanningIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+49 more

Hoch Consulting Inc

San Diego, CA

High-value engineering, design and management solutions.

Website1 office6 leadersFounded 2012Updated Jun 2026

Service detail: Engineering & Design

Service: Engineering & DesignService: Civil EngineeringService: Condition AssessmentIndustry: GovernmentIndustry: Power GenerationType: Civil Engineering+19 more

JKAE

Auburn, CA

Enriching the Human Experience.

Website4 offices3 projects7 leaders15 credentialsFounded 1984Updated Jun 2026

Project: Butte College Science Building

Service: ArchitectureService: Master PlanningService: Facility Condition AssessmentsIndustry: EducationIndustry: GovernmentType: Architecture & Engineering+77 more

L&S Engineering and Surveying, Inc.

Monterey, CA

L&S Engineering and Surveying, Inc. has provided professional civil engineering, project management, land surveying, and mapping services throughout Central California for more than 30 years. L&S is a client-focused organization that delivers innovative and practical solutions from conceptual planning through detailed design and construction-ready documents, consistently completing projects on time and within budget. Its staff are experienced in both private and public sectors, serving clients that include cities, counties, the State of California, and the federal government alongside local businesses, developers, and private landowners.

WebsitePhone1 office3 projects2 leadersUpdated Jun 2026

Project: Tehama and Monterra Ranches

Service: Civil EngineeringService: Residential Subdivision and Site DevelopmentsService: Commercial and Industrial DevelopmentsIndustry: CommercialIndustry: ResidentialType: Civil Engineering+45 more

Michael Baker International

Pittsburgh, PA

We Make a Difference

Website18 offices5 projects15 leaders5 credentials4 publicationsFounded 1940

Project: Fika Remote Footbridge Build

Service: Infrastructure EngineeringService: Roadway and Highway DesignService: Bridge Design and InspectionIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+46 more

Omni Design, Inc.

San Luis Obispo, CA

Design built on collaboration, responsiveness and exceptional service.

WebsitePhone1 office3 projects3 leadersUpdated Jun 2026

Project: Simpson Strong-Tie Material Demonstration Laboratory

Service: ArchitectureService: Project ProgrammingService: Feasibility StudiesIndustry: EducationIndustry: CommercialType: Architecture & Engineering+50 more

Rizza Engineering, Inc.

Poway, CA

Bridging the gap between Architecture and Engineering

Website2 offices7 projects2 leaders1 credentialsFounded 2008Updated Jun 2026

Project: China Lake Triplets P-700/P-710/P-749

Service: Power Systems DesignService: High, Medium, and Low VoltageService: Overhead & Underground Site UtilitiesIndustry: GovernmentIndustry: FederalType: Electrical Engineering+37 more

SORA Engineering

Oakland, CA

Experienced Civil Engineering consulting firm based in Oakland, CA

WebsitePhone1 office4 projects1 leadersFounded 2023Updated Jun 2026

Project: San Jose Downtown West

Service: Program and Project ManagementService: Program ManagementService: Project ManagementIndustry: TransportationIndustry: TransitType: Civil Engineering+13 more

SSOE Group

Toledo, OH

Designing and Building the Future, Today

Website11 offices2 projects10 leaders7 credentials2 publicationsFounded 1948

Project: Envisage Wealth Worthington Office Biophilic Design

Service: ArchitectureService: Cleanroom Facility DesignService: Interior Wayfinding and LayoutsIndustry: SemiconductorsIndustry: Energy StorageType: Architecture & Engineering+42 more

Sanbell

Billings, MT

Intelligent Infrastructure. Enduring Communities.

WebsitePhone14 offices2 leaders2 credentialsFounded 1969Size Estimate: 201-500 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Site DevelopmentService: Grading and DrainageIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+57 more

Shen Milsom & Wilke

New York, NY

Acoustic, Audiovisual & Technology Design Consultants

WebsitePhone13 offices6 projects36 leadersFounded 1986Size Estimate: 230+ employees

Project: U.S. Embassy in London

Service: AcousticsService: Architectural AcousticsService: Acoustics AssessmentsIndustry: Arts & CultureIndustry: AviationType: Acoustic Consulting+61 more

Stantec

Edmonton, AB

With every community, we redefine what's possible

WebsitePhone11 offices10 projects3 leaders2 credentials2 publications

Project: Pure Water Program

Service: BuildingsService: Building Design ConsultingService: Healthcare DesignIndustry: HealthcareIndustry: EducationType: Architecture & Engineering+43 more

Tait and Associates, Inc.

Santa Ana, CA

Experience matters.

WebsitePhone1 office18 projectsFounded 1964Updated Jun 2026

Project: Shea Dyer Business Park

Service: Civil EngineeringService: Roadway DesignService: Water, Sewer & Storm DrainIndustry: GovernmentIndustry: CommercialType: Civil Engineering+47 more

United Civil Inc

Agoura Hills, CA

United Civil, Inc. is a full-service planning, engineering, and surveying consulting practice specializing in utility engineering and land development design. Established in August 2014, United Civil, Inc. provides planning and engineering services across Southern California from offices in Agoura Hills and South El Monte. Its portfolio includes residential, commercial, municipal improvement, and school development projects. Its technical team includes registered professional engineers holding advanced civil engineering degrees who provide hands-on management for a wide range of public and private sector clients.

WebsitePhone2 offices4 projects5 leadersFounded 2014Updated Jun 2026

Project: Westside High School

Service: Land PlanningService: Master PlanningService: SurveyingIndustry: CommercialIndustry: Multifamily ResidentialType: Civil Engineering+31 more