Public engineering firm directory

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AQA Engineering

Duluth, GA

AQA Engineering (A Quality Approach) is a professional civil engineering firm in Duluth, Georgia, specializing in certified site plans, erosion control, stormwater management, and hydrology services for residential and commercial projects. AQA serves clients across Cobb, Fulton, Gwinnett, DeKalb, Cherokee, Forsyth, and surrounding Georgia counties.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Certified Site Plans

Service: Certified Site PlansService: Impervious Area CalculationsService: Lot Coverage AnalysisIndustry: ResidentialIndustry: CommercialType: Civil Engineering+13 more

BAA Mechanical Engineers, Inc.

Atlanta, GA

Providing Expert Mechanical Design Services Since 1946

WebsitePhone1 office3 leadersFounded 1946Updated Jun 2026

Service detail: HVAC Design

Service: HVAC DesignService: Plumbing DesignService: Hot and Cold Water Piping SystemsIndustry: EducationIndustry: HealthcareType: Mechanical Engineering+32 more

EM Structural Engineers

Atlanta, GA

Committed to building partnerships through unparalleled service and expertise.

WebsitePhone6 offices5 projects5 leadersUpdated Jun 2026

Project: Fenton

Service: Structural Systems DesignService: Welded Moment FramesService: Steel FramingIndustry: Multifamily ResidentialIndustry: Mixed-UseType: Structural Engineering+29 more

Leppard Johnson & Associates, P.C.

Atlanta, GA

Leppard Johnson & Associates, P.C. is a multiple-discipline consulting and engineering firm based in Atlanta, Georgia. Founded in 1995, it concentrates on mechanical, plumbing, electrical, and fire protection systems analysis and design, along with project management and facilities system consulting. Active registrations are held in thirty-six states, Puerto Rico, and the District of Columbia.

Website1 officeFounded 1995Updated Jun 2026
Service: Mechanical EngineeringService: Electrical EngineeringService: Plumbing EngineeringIndustry: GovernmentIndustry: CommercialType: MEP+8 more

SE Group

Atlanta, GA

Structural engineering for real-world buildings.

WebsitePhone3 offices4 projectsUpdated Jun 2026

Project: O'Reilly Auto Parts Retail Program

Service: Structural EngineeringService: New ConstructionService: RenovationsIndustry: CommercialIndustry: RetailType: Structural Engineering+16 more

Southern Cathodic Protection Company

Atlanta, GA

Southern Cathodic Protection Company has provided corrosion control engineering services since 1979, applying cathodic protection to pipelines, concrete structures, water and wastewater systems, and transportation infrastructure worldwide. Its Atlanta-headquartered team addresses galvanic corrosion, stray DC corrosion, AC corrosion, and other electrochemical failure modes through cost-effective protection engineering backed by quality customer service.

WebsitePhone2 officesFounded 1979Updated Jun 2026

Service detail: Cathodic Protection Engineering

Service: Cathodic Protection EngineeringService: Gas, Oil and Energy PipelinesService: Concrete and Shoreline StructuresIndustry: Oil & GasIndustry: Water SupplyType: Materials Engineering+5 more