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.

Filters3

APEX Defense

Huntsville, AL

Elevate Your Defense Strategy

Website1 office1 credentialsUpdated Jun 2026

Service detail: Program Management

Service: Program ManagementService: Strategic PlanningService: Acquisition Life CycleIndustry: DefenseIndustry: FederalType: Defense Engineering+12 more

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 more

Banner Defense, Inc.

Madison, AL

Empowering The Warfighter With Innovative Solutions

Website1 office4 projects1 leadersFounded 2014Updated Jun 2026

Project: Systems Simulation, Software, and Integration (S3I)

Service: Systems EngineeringService: Hardware EngineeringService: Software EngineeringIndustry: DefenseIndustry: AerospaceType: Defense Engineering+21 more

Corporate Environmental Risk Management, LLC

Atlanta, GA

Building Better Communities, Creating Opportunities, and Inspiring the Next Generation

WebsitePhone4 offices4 leadersFounded 1995Size Estimate: 100+ employeesUpdated Jun 2026

Service detail: Remediation and Contracting

Service: Program ManagementService: Environmental ManagementService: Engineering and TestingIndustry: TransportationIndustry: Water ResourcesType: Environmental Engineering+9 more

Croy Engineering

Marietta, GA

Engineering the Extra Mile

WebsitePhone3 offices6 projectsFounded 2005Size Estimate: 100+ employeesUpdated Jun 2026

Project: Chattahoochee Technical College Aviation Training Academy

Service: AviationService: Airport Development & ExpansionService: Initial DevelopmentIndustry: AviationIndustry: AirportsType: Civil Engineering+50 more

DIR Solutions LLC

Woodville, AL

Team with DIR Solutions

WebsitePhone1 officeFounded 2018Updated Jun 2026

Service detail: Integrated Logistics Support

Service: Integrated Logistics SupportService: Sustaining Complex Military Systems Through Comprehensive Logistics PlanningService: AnalysisIndustry: DefenseType: Defense Engineering+10 more

Defense Planning Group

Huntsville, AL

Integrated Solutions for Mission Success

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Master Planning & Programming

Service: Master Planning & ProgrammingService: Program ManagementService: Military Construction (MILCON) SupportIndustry: DefenseIndustry: GovernmentType: Defense Engineering+15 more

Duplantis Design Group, PC

Thibodaux, LA

Broad Vision. Expert Focus.

Website9 offices4 projects10 leadersFounded 1997Updated Jun 2026

Project: Louisiana Clean Energy Complex

Service: Civil EngineeringService: PlanningService: Civil Site DesignIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+50 more

Engineering Design Technologies, Inc.

Marietta, GA

Engineering Design Technologies (EDT) is a fully integrated engineering and design-build firm founded in 1993 and headquartered in Marietta, Georgia. EDT delivers multi-discipline engineering, architecture, construction, and program management across federal, municipal, commercial, healthcare, aviation, and transportation markets from seven offices spanning the Southeast, Mid-Atlantic, and US Virgin Islands. Its four divisions cover engineering, architecture (EDT-THA), construction (EDT Constructors), and development (EDT Development).

WebsitePhone7 offices6 projects1 credentialsFounded 1993Size Estimate: 50-200 employees

Project: CDC Emergency Operations Center

Service: Civil EngineeringService: Stormwater drainage assessment and modelingService: Transportation engineeringIndustry: DefenseIndustry: FederalType: Architecture & Engineering+47 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

Poly, Inc.

Dothan, AL

Architecture & Engineering Services

WebsitePhone4 offices6 projects12 leaders1 credentialsFounded 1959

Project: Okaloosa Island Water Booster Station Replacement

Service: ArchitectureService: Building design and programmingService: Construction documentation and administrationIndustry: GovernmentIndustry: WastewaterType: Architecture & Engineering+72 more

WaveLink, Inc.

Huntsville, AL

Your Small Business of Choice in Huntsville's Technical Landscape

WebsitePhone1 office3 leaders11 credentialsUpdated Jun 2026

Service detail: Aviation Engineering

Service: Aviation EngineeringService: Aircraft IntegrationService: Airworthiness QualificationIndustry: DefenseIndustry: AviationType: Aviation Engineering+23 more