Public engineering firm directory

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Allen Engineering and Science

Jackson, MS

Allen Engineering and Science is an environmental, civil, and structural engineering practice serving private and public clients across the southeastern United States. Founded in 1993 as Eco-Systems and renamed in 2013, the company combines engineering, environmental science, planning, and construction management for oil and gas, manufacturing, energy, chemical, solid waste, real estate, and public-sector programs.

WebsitePhone6 offices5 leadersFounded 1993Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Environmental EngineeringIndustry: Oil & GasIndustry: ManufacturingType: Civil Engineering+26 more

Benchmark Management LLC

Atlanta, GA

People. Process. Results.

WebsitePhone1 office6 projectsFounded 2003Updated Jun 2026

Project: Old Alabama Road 48-Inch Water Transmission Main Relocation

Service: Engineering and DesignService: Water transmission and distribution main designService: Sanitary sewer design and rehabilitationIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+18 more

Brindley Pieters & Associates, Inc.

Maitland, FL

Serving our clients for over 30 years.

WebsitePhone5 offices15 projects10 leaders7 credentialsFounded 1991

Project: Tampa International Airport

Service: AviationService: Taxiway DesignService: Apron DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+57 more

Civil Services, Inc.

Jacksonville, FL

Civil Services, Inc. (CSI) is a multi-disciplined civil engineering consulting practice founded in 1989. Based in Jacksonville, Florida, CSI provides roadway design, bridge design, structural engineering, water resources, civil site design, program management, and construction engineering and inspection (CEI) services to public and private clients. CSI supports federal, state, county, and city agencies throughout the Southeastern United States and the Caribbean.

WebsitePhone4 offices2 leaders10 credentialsFounded 1989Size Estimate: 1-25 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Civil site designService: Site developmentIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+46 more

EOS Engineering

Atlanta, GA

Practical Solutions. Real Results

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Construction Management and Inspection

Service: Construction Management and InspectionService: Resident Engineering and Field SupportService: Infrastructure Field InspectionsIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+18 more

Infrastructure Engineering, Inc.

Chicago, IL

Civil engineering driven by a passion for solving infrastructure challenges through ingenuity.

Website10 offices3 projectsUpdated Jun 2026

Project: George Washington Bridge Priority Repairs

Service: Design EngineeringService: Transportation DesignService: Bridge and Structural DesignIndustry: InfrastructureIndustry: TransportationType: Civil Engineering+29 more

OLH Inc.

Augusta, GA

Trusted solutions for engineering and construction

WebsitePhone4 offices1 projects10 leaders1 credentialsFounded 1993

Project: Atlanta City Courts Construction

Service: Construction ManagementService: Federal ProgramsService: Technical and Construction SupportIndustry: TransportationIndustry: InfrastructureType: Civil Engineering+25 more

Strategic Enterprise Solutions Corporation

Warner Robins, GA

Quality Support For Our Warfighters, On Time, Every Time

WebsitePhone1 office1 credentialsFounded 2007Updated Jun 2026

Service detail: Systems Engineering Services

Service: Systems Engineering ServicesService: Architecture and DesignService: Systems Integration & TestingIndustry: DefenseIndustry: FederalType: Defense Engineering+16 more