Public engineering firm directory

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Apex Engineering, PLLC

Calvert City, KY

Apex Engineering, PLLC is a full-service multi-discipline engineering firm headquartered in Calvert City, Kentucky, incorporated in 1974. Through its family of companies - Apex Controls Specialists and Apex Modular Extrusion Systems - it provides engineering, automation, and design-build services for industrial clients. Clients include major producers of specialty chemicals, polymers, refrigerants, nonferrous metals, coal, aggregates, electric power, rubber, elastomer products, pulp, and paper.

WebsitePhone2 officesFounded 1974Updated Jun 2026

Service detail: Specialty Engineering

Service: Process EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ChemicalsIndustry: MetalsType: Civil Engineering+35 more

Associated Engineers, Inc.

Madisonville, KY

Integrity - Experience - Growth, Since 1958

WebsitePhone3 offices5 credentialsFounded 1958Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Selection and DevelopmentService: Single and Multi-Family Residential DevelopmentIndustry: InfrastructureIndustry: MiningType: Civil Engineering+33 more

Bryant Associates, Inc.

Boston, MA

Your infrastructure challenges. Solved.

WebsitePhone5 offices5 leadersFounded 1976Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: GovernmentIndustry: DefenseType: Civil Engineering+19 more

GAI Consultants, Inc.

Indianapolis, IN

Transforming Ideas Into Reality®

WebsitePhone5 offices24 leaders4 publicationsFounded 1958Updated Jun 2026

Service detail: Environmental Services

Service: Environmental ServicesService: Environmental Impact Analysis and NEPA DocumentationService: Permitting and Regulatory ComplianceIndustry: Power GenerationIndustry: Renewable EnergyType: Civil Engineering+44 more

Gardner Engineering & Consulting PLLC

Owensboro, KY

Structural, civil, geotechnical and forensic engineering in Owensboro

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Structural Engineering

Service: Structural EngineeringService: Reinforced Concrete DesignService: Structural Steel DesignIndustry: IndustrialIndustry: CommercialType: Structural Engineering+16 more

HMB Professional Engineers, LLC

Frankfort, KY

HMB Delivers Quality Solutions

WebsitePhone1 office1 projects12 leaders1 credentialsSize Estimate: 100+ employees

Project: Millersburg Road Tank Project

Service: Highways & RoadsService: Highway DesignService: Highway SafetyIndustry: Highways & RoadsIndustry: TransportationType: Civil Engineering+32 more

Howerton Engineering and Surveying, PLLC

Greenup, KY

Consulting Engineers, Architects and Land Surveyors

WebsitePhone2 offices5 projects6 leaders3 credentialsSize Estimate: 6-10 employees

Project: Greenup Phase 8 Water System Improvements

Service: Civil EngineeringService: Water & Wastewater SystemsService: Stormwater & DrainageIndustry: InfrastructureIndustry: Water SupplyType: Civil Engineering+33 more

Innovative Engineering Inc. (IEI)

Woodstock, GA

Delivering Innovative Solutions For Complex Facilities Nationwide

WebsitePhone3 offices7 projects1 leaders19 credentials3 publications

Project: 50 Hurt Plaza - Historic Landmark Shoring

Service: Structural EngineeringService: New Buildings, Hangars, and Marine StructuresService: Additions, Renovations, and RestorationIndustry: IndustrialIndustry: ManufacturingType: Structural Engineering+60 more

JQOL, Inc.

Indianapolis, IN

Improving Quality of Life

WebsitePhone3 offices11 projects3 leaders1 credentialsFounded 2019

Project: White River North Trailhead Expansion

Service: Civil EngineeringService: Site EngineeringService: GradingIndustry: Highways & RoadsIndustry: BridgesType: Civil Engineering+27 more

KPFF Consulting Engineers

Portland, OR

KPFF exists to engineer opportunities that have a positive impact on people, places, and the planet.

Website33 offices5 projectsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Portland International Airport (PDX), Terminal Core Redevelopment

Service: Structural EngineeringService: Bridge EngineeringService: Protective DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+39 more

Kheops Architecture Engineering Survey D P C

Atlanta, GA

Evaluate - Solve - Deliver

Website10 offices7 leaders2 credentialsFounded 1917Updated Jun 2026

Service detail: Construction Services

Service: ArchitectureService: Civil and Site EngineeringService: Construction ServicesIndustry: Arts & CultureIndustry: AviationType: Architecture & Engineering+31 more

LJB Inc.

Lima, OH

Improving the quality of life for the clients, communities and individuals we serve.

Website10 offices5 projects1 leaders4 credentialsFounded 1966Updated Jun 2026

Project: Woodland Avenue Pump Station Rehab

Service: Structural EngineeringService: Tilt-Up Concrete DesignService: Composite Bridge DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+45 more

Power of Design Group, LLC

Louisville, KY

Consulting engineering for telecom, site development, fiber and EV infrastructure

WebsitePhone2 offices10 leaders3 credentials1 publicationsFounded 2012

Service detail: Telecom Engineering

Service: Telecom EngineeringService: A&E ServicesService: Structural ServicesIndustry: TelecommunicationsIndustry: Land DevelopmentType: Telecom / RF Engineering+32 more

Qk4, Inc.

Louisville, KY

Groundbreaking by Design

Website9 offices11 leadersFounded 1974Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway DesignService: Traffic ServicesIndustry: CommercialIndustry: GovernmentType: Civil Engineering+46 more

S.E. Engineering

Bowling Green, KY

Creative Vision, Bold Design, Superior Results

WebsitePhone1 officeUpdated Jun 2026

Service detail: Engineering Services

Service: Engineering ServicesService: Structural EngineeringService: Mechanical EngineeringType: Structural Engineering+9 more

Soldier Creek Engineering & Technical Services, LLC

Kirksey, KY

From start to finish, we help get the job done!

WebsitePhone2 offices3 leaders3 credentialsFounded 2015Size Estimate: 6-25 employees

Service detail: Civil Engineering

Service: Civil EngineeringService: Provides InfrastructureService: Site Development Support Designed To Meet Rigorous Federal RequirementsIndustry: GovernmentIndustry: FederalType: Civil Engineering+18 more

Thoroughbred Engineering

Lexington, KY

Design Engineer Construct

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Site Planning and Civil Engineering

Service: Site Planning and Civil EngineeringService: Property due diligenceService: Feasibility studiesIndustry: CommercialIndustry: Food & BeverageType: Civil Engineering+52 more