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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A2 Efficiency

Santa Rosa, CA

Building performance consulting, from first principles to policy.

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP Basis of Design & Performance Consulting

Service: MEP Basis of Design & Performance ConsultingService: Early-Stage Energy & Comfort ModelingService: Mechanical System Concept & Basis of DesignIndustry: CommercialIndustry: EducationType: MEP+18 more

Advenser

Trevose, PA

VDC / BIM / CAD Services & Consulting

WebsitePhone8 officesFounded 2007Size Estimate: 100-999 employeesUpdated Jun 2026

Service detail: VDC & BIM Services

Service: VDC & BIM ServicesService: Architectural BIM ServicesService: Structural BIMIndustry: HealthcareIndustry: InfrastructureType: Architecture & Engineering+32 more

Aldac Components Inc.

Modesto, CA

A Structural Systems Manufacturer, Not a Commodity Supplier

WebsitePhone1 office6 projectsUpdated Jun 2026

Project: Old Auburn Rd

Service: Truss Design & ManufacturingService: Roof Truss Design & FabricationService: Floor Truss Design & FabricationIndustry: Multifamily ResidentialIndustry: HospitalityType: Structural Engineering+12 more

Carl A. Nelson & Company

Burlington, IA

Deliver Value. Build Trust. Repeat.

WebsitePhone2 offices1 leadersFounded 1913Updated Jun 2026

Service detail: Design-Build

Service: Design-BuildService: Needs Assessment & Master PlanningService: In-House Design ServicesIndustry: IndustrialIndustry: ManufacturingType: Design-Build+19 more

Earth Retention

Woodstock, GA

Engineering and Materials for Your Retaining Wall Projects

WebsitePhone1 office3 projects2 leaders6 credentialsFounded 2009

Project: I-64 High Rise Bridge Sound Barrier

Service: Retaining Wall DesignService: MSE Walls (Segmental Block)Service: MSE Walls (Precast Panel)Industry: Highways & RoadsIndustry: CommercialType: Geotechnical Engineering+26 more

Ficcadenti Waggoner and Castle Structural Engineers, Inc.

Irvine, CA

Solutions Built on Knowledge, Education & Experience

WebsitePhone5 offices8 projectsFounded 1991Updated Jun 2026

Project: SoFi Stadium

Service: New Structure DesignService: Design-Bid-Build Structural ConsultingService: Design-Build Structural ServicesIndustry: HospitalityIndustry: Sports & RecreationType: Structural Engineering+26 more

Interstates

Sioux Center, IA

Understanding needs. Delivering results.

Website1 officeUpdated Jun 2026

Service detail: Electrical Engineering and Construction

Service: Electrical Engineering and ConstructionService: Electrical EngineeringService: Electrical ConstructionIndustry: IndustrialIndustry: ManufacturingType: Electrical Engineering+10 more

JSE Engineers LLC

Barrigada, GU

Structural Engineering for the Pacific Region

WebsitePhone1 office7 projects1 leadersFounded 2020Updated Jun 2026

Project: University of Guam SENG

Service: Structural EngineeringService: Design-Build ServicesService: Design-Assist EngineeringIndustry: DefenseIndustry: EducationType: Structural Engineering+18 more

Laminar Flow Engineering Inc

For the Smooth Operation of Your Building Systems

Website6 projects3 leaders1 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Project: Kalama Middle School Addition

Service: Project Delivery & ConsultingService: Design-BuildService: Design-AssistIndustry: EducationIndustry: Multifamily ResidentialType: MEP+25 more

Landis Consulting

Lake Oswego, OR

Setting the Standard for Electrical and Control Design

WebsitePhone2 offices11 projects5 leadersFounded 2001Updated Jun 2026

Project: South Salem High School Addition & Remodel

Service: Electrical and Communication Systems DesignService: Division 26 Electrical Systems DesignService: Division 27 Low Voltage Communication Systems DesignIndustry: CommercialIndustry: EducationType: Automation & Controls+16 more

Motor City Electric Co.

Detroit, MI

Full-Service Electrical Contractor

WebsitePhone1 office8 projects5 credentialsFounded 1952Updated Jun 2026

Project: Little Caesars Arena

Service: Turnkey Electrical ContractingService: Design-BuildService: Design-AssistIndustry: AutomotiveIndustry: HealthcareType: Electrical Engineering+36 more

RJS Engineering

Denver, CO

Electrical engineering for EV charging, renewable energy, and arc flash safety

WebsitePhone1 office2 leaders1 credentialsUpdated Jun 2026

Service detail: Arc Flash Risk Assessment

Service: Arc Flash Risk AssessmentService: Arc Flash Hazard AnalysisService: NFPA 70E Arc Flash LabelingIndustry: Renewable EnergyIndustry: SolarType: Electrical Engineering+55 more

TDIndustries

Dallas, TX

TDIndustries is a premier mechanical construction and facilities services company headquartered in Dallas, Texas, and founded in 1946. Engineering, construction, operations, and maintenance services span the full building lifecycle. MEP engineering capabilities include design-build and design-assist delivery using a data-driven, one-model approach with BIM technology. Mechanical construction services cover HVAC, plumbing, process piping, and specialty construction. Dedicated off-site manufacturing and prefabrication facilities totaling 117,000 square feet in Texas support schedule control, quality, and reduced on-site labor. TDIndustries serves clients in healthcare, data centers, education, life sciences, pharmaceutical, sports venues, multifamily housing, and semiconductor markets.

WebsitePhone2 offices5 projectsFounded 1946Updated Jun 2026

Project: Globe Life Field

Service: EngineeringService: Design-BuildService: Design-AssistIndustry: HealthcareIndustry: Data CentersType: MEP+18 more