Public engineering firm directory

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Pond

Pioneering Innovation Since 1965

Website8 projects3 leaders2 credentialsFounded 1965Size Estimate: 850+ employeesUpdated Jun 2026

Project: Gary/Chicago Airport Air Cargo Development Services

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AviationIndustry: DefenseType: Architecture & Engineering+101 more

Prime Consulting Group

Delivering consulting engineering services across the New England area

WebsiteUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: Owner's Project RepresentationService: Project Cost and Schedule ControlIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+10 more

RTM Engineering Consultants

Schaumburg, IL

National resources, local relationships.

WebsitePhone1 office7 credentialsFounded 1981Size Estimate: 537 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Refrigeration DesignService: Process EngineeringIndustry: CommercialIndustry: HealthcareType: MEP+39 more

SB3CG LLC

Seattle, WA

Providing a full range of design and construction solutions

WebsitePhone2 offices1 leadersFounded 2017Updated Jun 2026

Service detail: Civil Engineering

Service: Architectural DesignService: Civil EngineeringService: Site SurveysIndustry: CommercialIndustry: RetailType: Architecture & Engineering+33 more

SKA Consulting Engineers

Greensboro, NC

Engineering solutions to enhance communities

Website7 offices10 projectsFounded 1957Updated Jun 2026

Project: Steven Tanger Center for Performing Arts

Service: Structural EngineeringService: Prime Design and Project ManagementService: Construction Quality Assurance and Special InspectionsIndustry: HealthcareIndustry: EducationType: Structural Engineering+60 more

Salas O'Brien

Aiken, SC

Engineered for Impact

WebsitePhone12 offices2 projects5 leaders5 credentialsSize Estimate: 1,000+ employees

Project: Wake Tech East Campus

Service: Built EnvironmentService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: Automation & Controls+37 more

Schwab Engineering, Inc.

West Hills, CA

Schwab Engineering, Inc. provides structural, mechanical, electrical, and civil engineering services. Established in 2009, it delivers specialized solutions ranging from system design for plumbing, fire protection, and lighting to the study and implementation of cogeneration, thermal energy storage, LEED certification, solar energy, and commissioning for diverse facilities.

WebsitePhone1 office1 leadersFounded 2009Updated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Mechanical EngineeringService: PlumbingIndustry: AviationIndustry: BridgesType: Civil Engineering+34 more

Simpson Gumpertz Heger Inc

Performance Beyond Expectation

Website1 projects1 leaders2 credentials5 publicationsUpdated Jun 2026

Project: UCLA Margo Leavin Graduate Art Studios

Service: StructuresService: Building DesignService: Repair & StrengtheningIndustry: CommercialIndustry: Arts & CultureType: Structural Engineering+46 more

Smith Seckman Reid, Inc.

We Own It

Website10 projects1 leadersUpdated Jun 2026

Project: Allegiant Stadium

Service: DesignService: MEP/FP EngineeringService: Audiovisual SystemsIndustry: HealthcareIndustry: EducationType: MEP+39 more

Stanley Consultants

Muscatine, IA

Connect. Create. Contribute.

Website1 office5 projects1 credentials3 publicationsFounded 1913Size Estimate: 1,000+ employees

Project: I-490/IL 390 Interchange

Service: Engineering & DesignService: Civil EngineeringService: Electrical EngineeringIndustry: Power GenerationIndustry: UtilitiesType: Architecture & Engineering+52 more

TLC Engineering Solutions

Sandy Springs, GA

Think. Listen. Create.

Website23 offices10 projectsFounded 1955Updated Jun 2026

Project: Tampa International Airport Curbside Expansion and Central Utility Plant

Service: Mechanical, Electrical, Plumbing (MEP)Service: Comprehensive Building Systems Engineering HeatingService: VentilationIndustry: HealthcareIndustry: AviationType: MEP+51 more

Tri-Tech Associates, Inc.

Centerville, OH

Tri-Tech Associates, Inc., operating as Tri-Tech Engineering, is a multidiscipline engineering firm founded in 1977 and based in Centerville, Ohio. Originally rooted in the Dayton area's automotive and heavy industrial markets, its practice now extends to commercial, healthcare, retail, and structural projects. Its staff delivers plumbing, mechanical, electrical, and structural design together with LEED program management, energy studies, commissioning, and investigative and forensic engineering services.

WebsitePhone1 officeFounded 1977Updated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Plumbing DesignService: Mechanical DesignIndustry: IndustrialIndustry: ManufacturingType: MEP+10 more

WSP

Montreal

Redefine Potential

Website1 office1 leadersFounded 1993Updated Jun 2026

Service detail: Buildings and Built Environment

Service: Buildings and Built EnvironmentService: Acoustics and VibrationService: Building EnclosuresIndustry: AviationIndustry: CommercialType: Acoustic Consulting+100 more

WSP USA

Montreal, QC

Redefine Potential

Website1 office7 projects1 leaders1 credentialsSize Estimate: 50,000+ employeesUpdated Jun 2026

Project: Franklin-98 Living Shorelines

Service: Property and BuildingsService: MEP EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Water SupplyType: Acoustic Consulting+100 more

Wi-Skies, LLC

Professional and Experienced Engineers

Website8 projects20 leaders7 credentialsFounded 2014Size Estimate: 10-49 employeesUpdated Jun 2026

Project: Illinois DOT Call Lighting Design Services (District 1)

Service: Transportation Electrical EngineeringService: Roadway LightingService: Intelligent Transportation SystemsIndustry: GovernmentIndustry: TransportationType: Aviation Engineering+36 more