Public engineering firm directory

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ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026

Service detail: Civil and Infrastructure Engineering

Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignService: Site Master PlanningIndustry: CommercialIndustry: IndustrialType: Civil Engineering+38 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

ESE Partners

Houston, TX

Responsibly Moving Business Forward

WebsitePhone5 offices8 leadersUpdated Jun 2026

Service detail: Due Diligence

Service: Due DiligenceService: Phase I Environmental Site AssessmentsService: Phase II Environmental InvestigationsIndustry: CommercialIndustry: Land DevelopmentType: Environmental Engineering+18 more

LJA Engineering, Inc.

Houston, TX

Client Focused.

WebsitePhone5 officesFounded 1972Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Residential Land DevelopmentService: Special Financing District ServicesIndustry: Land DevelopmentIndustry: InfrastructureType: Civil Engineering+68 more

LJA Program Management LLC

Houston, TX

. Client Focused.

WebsitePhone5 offices3 projects5 credentialsFounded 1972Updated Jun 2026

Project: Ranew's E-Coat Masterplan

Service: Aviation ServicesService: Civil EngineeringService: Public Infrastructure and WorksIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+75 more

Roux

Islandia, NY

We Solve Our Clients' Most Challenging Environmental Issues

WebsitePhone15 offices3 leaders1 credentialsFounded 1981Size Estimate: 450+ employees

Service detail: Engineering & Remediation Services

Service: Environmental, Health & Safety Compliance ServicesService: Brownfields / Due DiligenceService: Engineering & Remediation ServicesIndustry: Environmental & RemediationIndustry: Oil & GasType: Environmental Engineering+20 more