Public engineering firm directory

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Allied Companies L L C

Washington, DC

Program Integration for Complex Infrastructure at Scale.

Website2 offices1 leadersUpdated Jun 2026

Service detail: Environmental Consulting

Service: Environmental ConsultingService: Addressing Regulatory RequirementsService: Sustainability Challenges To Mitigate ImpactIndustry: WastewaterIndustry: Water SupplyType: Environmental Engineering+26 more

Fagan Consulting LLC

Supporting infrastructure delivery at the intersection of built and natural environments

Website2 leaders3 credentials2 publicationsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Expert Consultation

Service: Expert ConsultationService: Programmatic and Regulatory GuidanceService: Contractual and Compliance AssuranceIndustry: TransportationIndustry: Power GenerationType: Environmental Engineering+19 more

Kabbes Engineering Inc.

Barrington, IL

Engineering a Resilient and Sustainable Future

WebsitePhone2 offices1 credentialsUpdated Jun 2026

Service detail: Floodplain and Stormwater Modeling and Mapping

Service: Floodplain and Stormwater Modeling and MappingService: FEMA Map Modifications and LOMR ProcessingService: Development Impact AnalysisIndustry: GovernmentIndustry: Land DevelopmentType: Environmental Engineering+13 more

Masa Fujioka & Associates

Aiea, HI

Designing solutions for your geotechnical engineering and environmental challenges.

WebsitePhone1 office3 projects1 leaders10 credentialsFounded 1991

Project: Nu'upia Ponds Observation Towers

Service: Geotechnical EngineeringService: Geotechnical InvestigationsService: Geological Reconnaissance and MappingIndustry: EducationIndustry: HealthcareType: Geotechnical Engineering+44 more

The Sigma Group

Milwaukee, WI

Single Source. Sound Solutions.

WebsitePhone1 office13 projects3 credentialsUpdated Jun 2026

Project: American Family Field (Miller Park) Stormwater

Service: Civil EngineeringService: Site DevelopmentService: Utility DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+62 more

Woodard & Curran

Portland, ME

Clean Water, Safe Environment, Healthy Communities, Happy People

Website25 offices3 projects7 leadersFounded 1979Size Estimate: 1,300+ employeesUpdated Jun 2026

Project: Lead Testing in NYC Drinking Water Fountains

Service: WaterService: Water TreatmentService: Water ReuseIndustry: GovernmentIndustry: EducationType: Design-Build+15 more