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

Bollig Engineering

Bollig Engineering is a civil engineering and airport consulting firm that purposefully specializes in the utility, infrastructure, and aviation needs of small cities in Minnesota and the surrounding region. It helps cities design affordable water, wastewater, and street infrastructure and secure funding through grants and loans, while also serving as airport consultant for rural municipal airports interfacing with the FAA and MnDOT Aeronautics Division. Bollig has received the PSMJ Circle of Excellence award in 2024 and 2025 as a top-performing AEC industry firm.

Website3 leaders2 credentialsUpdated Jun 2026

Service detail: Municipal Engineering

Service: Municipal EngineeringService: Water Supply and Water Tower DesignService: Wastewater Treatment InfrastructureIndustry: GovernmentIndustry: AviationType: Civil Engineering+11 more

Le Engineers, LLC

King of Prussia, PA

Precision Engineering for Critical Infrastructure

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Electrical Engineering Design

Service: Electrical Engineering DesignService: Power DistributionService: Lighting DesignIndustry: AviationIndustry: AirportsType: MEP+31 more

The Ohmega Group

Jacksonville, FL

Your Aviation Electrical Engineering Partner

WebsitePhone3 offices9 projects14 credentialsSize Estimate: 1-24 employeesUpdated Jun 2026

Project: Savannah Hilton Head International Airport

Service: Airfield Lighting DesignService: Runway and taxiway lighting systemsService: Computerized control lighting systemsIndustry: AirportsIndustry: AviationType: Aviation Engineering+40 more

saam architecture, LLC

Boston, MA

A progressive approach to the practice of architecture.

WebsitePhone4 offices8 projects9 leadersUpdated Jun 2026

Project: Hanscom Airfield Rescue and Fire Fighting Facility

Service: Aviation Facility ArchitectureService: Terminal Design and RenovationService: Airfield Support FacilitiesIndustry: AviationIndustry: DefenseType: Architecture & Engineering+23 more