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

Anchor QEA

Seattle, WA

Transforming Our Environment and Communities, with Integrity and Vibe

WebsitePhone28 offices4 projects4 leadersSize Estimate: 200-1,000 employeesUpdated Jun 2026

Project: Hancock County Marsh Living Shoreline

Service: EngineeringService: Civil EngineeringService: Coastal ResilienceIndustry: Power GenerationIndustry: FederalType: Civil Engineering+46 more

Brown, Mitchell & Alexander, Inc.

Gulfport, MS

Working to build a better Gulf Coast

WebsitePhone3 offices9 projects3 leadersUpdated Jun 2026

Project: Keesler Gate and Division Street Improvements

Service: Civil EngineeringService: Roadway and Utility InfrastructureService: Coastal DevelopmentsIndustry: GovernmentIndustry: Highways & RoadsType: Civil Engineering+28 more

C. H. Fenstermaker & Associates, L.L.C.

Lafayette, LA

Surveying. Engineering. Environmental Consulting.

WebsitePhone9 offices10 projectsFounded 1950Updated Jun 2026

Project: Louisiana Watershed Initiative - Topographic and Bathymetric Data Collection

Service: Surveying & MappingService: Topographic & Boundary SurveysService: Construction Surveys & StakeoutIndustry: Oil & GasIndustry: PetrochemicalType: Land Surveying+30 more

Carpenter Engineering, Inc.

Vicksburg, MS

Innovative engineering and environmental solutions.

WebsitePhone1 office1 leaders10 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land & Site DevelopmentService: Building Construction SupportIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+14 more

Cook Coggin Engineers, Inc.

Tupelo, MS

Cook Coggin Engineers, Inc. (CCE) is a civil engineering practice headquartered in Tupelo, Mississippi, with eight offices across North Mississippi. Founded in 1946, CCE serves counties, municipalities, and public agencies with planning and design, construction engineering and observation, water and wastewater infrastructure, transportation, airport, natural gas, environmental, and community development services across Mississippi and Southwest Tennessee.

WebsitePhone8 offices6 leaders3 credentialsFounded 1946Size Estimate: 63 employees

Service detail: Planning & Design

Service: Planning & DesignService: Environmental AssessmentsService: Feasibility StudiesIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+45 more

Covington Civil and Environmental

Gulfport, MS

Gulf Coast Engineering + Environmental Solutions

WebsitePhone1 office6 projects8 leadersFounded 1992Size Estimate: 30+ employees

Project: City of Pass Christian ARPA Funded Projects

Service: Program & Project ManagementService: Program coordination and planningService: Contract and document managementIndustry: GovernmentIndustry: FederalType: Civil Engineering+61 more

Cypress Environment & Infrastructure

Ocean Springs, MS

Engineering a Sustainable Future

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Civil Engineering Design

Service: Civil Engineering DesignService: Water Resources EngineeringService: Coastal EngineeringIndustry: Environmental & RemediationIndustry: Water ResourcesType: Civil Engineering+43 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

EJES Inc

Dallas, TX

Providing Service with Excellence

WebsitePhone5 offices9 projects1 credentialsUpdated Jun 2026

Project: Marine Corps Air Station Iwakuni (MCASI)

Service: Civil EngineeringService: Roadway DesignService: Bridge DesignIndustry: GovernmentIndustry: FederalType: Architecture & Engineering+45 more

EnSafe Inc.

Memphis, TN

Creative Thinking. Custom Solutions.

WebsitePhone20 offices4 projects15 leaders4 credentialsFounded 1980

Project: Remediation of Perchlorate Contamination at NWIRP McGregor

Service: Environmental Site Assessment & InvestigationService: Phase I/II Environmental Site AssessmentsService: Soil and Groundwater InvestigationsIndustry: Environmental & RemediationIndustry: FederalType: Environmental Engineering+47 more

Engineering Plus, Inc.

Meridian, MS

Planning | Surveying | Testing | Landscape Design

WebsitePhone3 offices3 leaders1 credentialsFounded 1929Size Estimate: 1-25 employees

Service detail: Site Development

Service: Site DevelopmentService: Site GradingService: Site Design & LayoutIndustry: CommercialIndustry: RetailType: Civil Engineering+59 more

FC&E Engineering, LLC

Brandon, MS

Engineered Solutions to Environmental Challenges

WebsitePhone1 office17 leaders4 credentialsFounded 2004Updated Jun 2026

Service detail: Environmental Permitting and Compliance

Service: Environmental Permitting and ComplianceService: Turnkey Environmental PermittingService: Environmental Compliance AuditsIndustry: AgricultureIndustry: AerospaceType: Civil Engineering+43 more

Husman Environmental & Construction, LLC

Jackson, MS

Husman Environmental & Construction, LLC is a full-service civil and environmental engineering firm and general contractor based in Jackson, MS. Founded in 2016, HE&C serves private industry and federal clients with extensive experience in the management, design, and construction of large and complex projects requiring coordination among multiple designers, contractors, and governing agencies. All engineering and construction personnel have decades of experience, including direct Federal Government work domestically and overseas, and HE&C implements the Corps of Engineers Construction Quality Management Program on all construction projects.

WebsitePhone1 office8 projectsFounded 2016Updated Jun 2026

Project: G.V. (Sonny) Montgomery VAMC Replace Elevated Storage Tank and New Well

Service: Preconstruction PlanningService: General ContractingService: Design-BuildIndustry: FederalIndustry: DefenseType: Civil Engineering+8 more

I.C. Thomasson Associates, Inc.

Nashville, TN

Consulting Engineers

WebsitePhone4 offices10 projects9 leadersUpdated Jun 2026

Project: Nashville International Airport - BNA Vision

Service: MechanicalService: Provides DesignService: Engineering For HeatingIndustry: CommercialIndustry: HealthcareType: MEP+43 more

M & G Enterprises, Inc.

Richland, MS

Modern Engineering with Time-Tested Expertise

WebsitePhone1 office2 leadersFounded 1946Updated Jun 2026

Service detail: Potable Water, Wastewater, and Stormwater

Service: Potable Water, Wastewater, and StormwaterService: Water Supply, Storage, and DistributionService: Water TreatmentIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+49 more

Myriad Engineering Solutions, LLC

Jackson, MS

Myriad Engineering Solutions, LLC is a civil engineering practice located in Jackson and Terry, Mississippi. Established in 2017 by Principal Stephanie Sago Vivians, P.E., it delivers professional services in civil engineering, roadway design, traffic engineering, stormwater management, environmental services, and construction contract administration. The practice serves federal, state, and local government agencies, established architectural and engineering firms, contractors, and private clients, preparing detailed plans, specifications, and estimates to ensure safe, dependable, and cost-effective infrastructure solutions.

WebsitePhone2 offices1 leadersFounded 2017Updated Jun 2026

Service detail: Roadway and Highway Design

Service: Roadway and Highway DesignService: Roadway Widening and Diet DesignService: Right-of-Way PlansIndustry: GovernmentIndustry: FederalType: Civil Engineering+31 more

Neel-Schaffer, Inc.

Jackson, MS

Engineering Solutions You Can Build Upon

WebsitePhone2 offices5 projects14 leadersFounded 1983Updated Jun 2026

Project: Hall Avenue Improvements

Service: Transportation EngineeringService: Highway & Road DesignService: Traffic EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+35 more

Pritchard Engineering, Inc.

Starkville, MS

Pritchard Engineering, Inc. is a civil and geotechnical engineering firm founded in 1997 and headquartered in Starkville, Mississippi. Pritchard participates in civil, environmental, and geotechnical disciplines, offering in-house capabilities in environmental permitting, surveying and mapping, geotechnical investigations, design engineering, construction phase testing, resident inspection, and project administration. A companion entity, Pritchard Testing, Inc., operates a full-service materials testing and inspection laboratory in Tupelo, Mississippi. Project principals and engineers remain directly involved on every project from design through construction.

WebsitePhone3 offices3 leaders6 credentialsUpdated Jun 2026

Service detail: Geotechnical Engineering

Service: Geotechnical EngineeringService: Subsurface InvestigationService: Foundation Design RecommendationsIndustry: CommercialIndustry: IndustrialType: Civil Engineering+27 more

SOL Engineering Services, LLC

Jackson, MS

SOL Engineering Services, LLC (SOL) is a multi-disciplinary engineering and technical services firm established in 2001 and headquartered in Jackson, Mississippi, with operations in ten locations across seven states. SOL provides engineering design, construction and project management, quality assurance, facilities support, environmental services, and information technology services to public and private clients throughout the United States. Federal agency clients include the U.S. Army Corps of Engineers and FEMA, with notable project experience including the City of Carencro CAP 205 flood control project and the MRGO Ecosystem Restoration Project.

Website1 office2 projects2 credentialsFounded 2001Updated Jun 2026

Project: City of Carencro CAP 205 Flood Control

Service: Engineering DesignService: Construction & Project ManagementService: Environmental ServicesIndustry: GovernmentIndustry: FederalType: Civil Engineering+6 more

Seymour Engineering PLLC

Biloxi, MS

Civil Engineers & Professional Land Surveyors

WebsitePhone1 office5 projects5 leadersFounded 2005Size Estimate: 5-30 employees

Project: Town Commons Development

Service: Civil EngineeringService: Roadway and highway designService: Storm drainage improvementsIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+44 more

Southern Earth Sciences, Inc.

Baton Rouge, LA

Building Strong Foundations Across the Southeast

Website12 offices17 projectsUpdated Jun 2026

Project: Tyndall AFB Zone 8 Emergency Operations Center

Service: Geotechnical ServicesService: Field TestingService: Cone Penetration Testing (CPT)Industry: DefenseIndustry: FederalType: Geotechnical Engineering+130 more

T. Baker Smith, LLC

Houma, LA

Empowering people. Enriching communities.

WebsitePhone10 offices10 projectsFounded 1913Size Estimate: 200-400 employeesUpdated Jun 2026

Project: US 190: LA 437 to US 190 Bus (Phase 1)

Service: EngineeringService: PlanningService: Civil & Structural EngineeringIndustry: Oil & GasIndustry: IndustrialType: Civil Engineering+41 more

The Walker Associates

Hattiesburg, MS

The Walker Associates, Engineers-Planners-Designers, PLLC is a full-service civil engineering consulting firm founded in 1985 and headquartered in Hattiesburg, Mississippi. Serving the Pine Belt region for over three decades, it has completed more than 3,500 diverse projects for governmental, industrial, and private clients. The Walker Associates delivers expertise across site planning, roadway and bridge design, water and wastewater systems, storm drainage, geotechnical soils engineering, traffic engineering, land surveying, and environmental assessments.

Website1 office4 leadersUpdated Jun 2026

Service detail: Roads and Bridges

Service: Roads and BridgesService: Multi-lane Roadway DesignService: Traffic Signals and IntersectionsIndustry: GovernmentIndustry: TransportationType: Civil Engineering+59 more