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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

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Campos EPC, LLC

Denver, CO

The Leader In Energy Infrastructure

WebsitePhone20 offices1 projects11 leaders3 publicationsFounded 2005

Project: 350MW Data Center Power Generation & Substation Facility

Service: EngineeringService: Pipeline EngineeringService: Transmission And Midstream Pipeline DesignIndustry: Oil & GasIndustry: UtilitiesType: EPC+51 more

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Carroll Daniel Construction

Gainesville, GA

Planners, Builders, Partners

Website6 offices6 projects7 credentialsUpdated Jun 2026

Project: Forsyth County Arts and Learning Center

Service: Site SelectionService: Engineering & ArchitectureService: ProcurementIndustry: ManufacturingIndustry: ChemicalsType: Architecture & Engineering+19 more

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Current Edge Solutions

Savannah, GA

Unique Solutions, Practical Expertise from Concept through Execution

WebsitePhone4 offices5 projects4 credentialsFounded 2019Updated Jun 2026

Project: Ft. Eisenhower Microgrid Project

Service: Utility Electrical EngineeringService: DOT Coordination & Utility RelocationsService: Distribution Planning & Reliability StudiesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+28 more

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DEVITA

Atlanta, GA

Delivering Innovative Engineering Strategies to Ensure Project Success

WebsitePhone4 offices11 projects4 credentialsUpdated Jun 2026

Project: Cornell University North Campus Expansion

Service: MEPS EngineeringService: Mechanical & Plumbing EngineeringService: HVAC SystemsIndustry: CommercialIndustry: RetailType: MEP+22 more

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E.C. Fennell, Inc.

West Palm Beach, FL

Electrical and mechanical engineering solutions for energy, utility, and infrastructure projects

WebsitePhone3 offices10 leadersSize Estimate: 100-199 employeesUpdated Jun 2026

Service detail: Power Delivery Engineering

Service: Power Delivery EngineeringService: Transmission LinesService: Distribution SystemsIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+27 more

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Emerald Consulting Group

Atlanta, GA

Where vision meets precision.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Project and Program Management Services

Service: Project and Program Management ServicesService: Project ManagementService: Program ManagementIndustry: InfrastructureIndustry: CommercialType: Civil Engineering+16 more

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GEI Consultants, Inc.

New York City, NY

Relentless seekers of the best solutions.

Website4 offices13 projects6 leaders3 credentialsUpdated Jun 2026

Project: Royse City, Texas Drainage Master Plan

Service: Geotechnical EngineeringService: Geostructural DesignService: Building Envelope ServicesIndustry: Water ResourcesIndustry: Water SupplyType: Geotechnical Engineering+40 more

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InnoDez

Los Angeles, CA

Your One-Stop Shop for MEP and Structural Engineering

WebsitePhone8 offices5 projectsSize Estimate: 20-100 employeesUpdated Jun 2026

Project: MEP and Fire Protection for Triple Decker Multifamily Project

Service: Mechanical EngineeringService: Heating designService: Cooling designIndustry: CommercialIndustry: HealthcareType: Civil Engineering+72 more

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Merrick & Company

Greenwood Village, CO

Engineering, Architecture, Geospatial.

WebsitePhone28 offices8 projects2 leaders1 credentialsFounded 1954

Project: Frozen Food Production Facility Master Planning

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AerospaceIndustry: Power GenerationType: Architecture & Engineering+46 more

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New Spring Engineering, LLC

Atlanta, GA

Right People. Right Solutions.

WebsitePhone1 office1 projects2 leaders5 credentialsUpdated Jun 2026

Project: Fulton County Public Works On-Call Engineering Services

Service: Engineering ServicesService: Engineering Design & ConsultingService: Electrical Distribution System Condition AssessmentIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+18 more

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Partner Engineering and Science, Inc.

Pasadena, CA

Engineers Who Understand Your Business

WebsitePhone17 offices7 projects11 leadersSize Estimate: 1,500+ employeesUpdated Jun 2026

Project: Adaptive Reuse of North Riverfront Historic Industrial Portfolio

Service: Building Assessments & EngineeringService: Property Condition Assessment ReportsService: Commercial Building InspectionIndustry: CommercialIndustry: Multifamily ResidentialType: Environmental Engineering+53 more

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Primera Engineers, Ltd.

Chicago, IL

People-forward engineering design and consulting services

WebsitePhone5 offices4 projects16 leaders17 credentialsFounded 1987

Project: U.S. Navy Great Lakes Bachelor Enlisted Quarters

Service: Buildings EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: EducationIndustry: HealthcareType: Aviation Engineering+40 more

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R.G. Vanderweil Engineers, LLP

Boston, MA

Engineering Excellence

Website9 offices5 projects5 leadersSize Estimate: 500 employeesUpdated Jun 2026

Project: Massachusetts Institute of Technology, Central Plant Upgrade

Service: MEP/FP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+25 more

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S.L. King & Associates, Inc.

Atlanta, GA

Innovative Minds. Sustainable Outcomes. Built on Service.

WebsitePhone1 office10 projects13 leaders7 credentialsFounded 1996

Project: Big Creek Water Treatment Plant

Service: MEP EngineeringService: Mechanical Systems DesignService: Electrical Systems DesignIndustry: AviationIndustry: AirportsType: Civil Engineering+30 more

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SETTY

Fairfax, VA

Deliver High Performing Complex Buildings

WebsitePhone10 offices8 projectsFounded 1984Size Estimate: 100-250 employeesUpdated Jun 2026

Project: DCPS: COVID Retrofits / Emergency Indoor Air Quality Retrofits

Service: MEP/FP EngineeringService: Mechanical EngineeringService: GeothermalIndustry: HealthcareIndustry: LaboratoriesType: Automation & Controls+47 more

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Smith Engineering and Associates, LLC

Cleveland, TN

Innovative & Efficient Engineering Solutions

WebsitePhone3 offices6 projects1 leaders10 credentialsSize Estimate: 1-25 employees

Project: Jackson International Airport Aviation Project Management

Service: Traffic EngineeringService: Traffic CountsService: Traffic Analysis and ModelingIndustry: TransportationIndustry: AviationType: Civil Engineering+71 more

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Spring Engineering, Inc.

Holiday, FL

We put the details together, so our projects stand apart.

WebsitePhone2 offices5 projects1 leaders4 credentialsFounded 1988

Project: Tampa Family Health Centers - Bearss Avenue

Service: ArchitectureService: Architectural DesignService: Landscape ArchitectureIndustry: HealthcareIndustry: AutomotiveType: Architecture & Engineering+19 more

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Strut Engineering & Investment, Inc.

Atlanta, GA

Top-Rated Experts in Innovative Structural Solutions

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Structural Design for New Ground-Up Construction

Service: Structural Design for New Ground-Up ConstructionService: Commercial and Office BuildingsService: Residential ConstructionIndustry: CommercialIndustry: ResidentialType: Structural Engineering+24 more

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VHB

Watertown, MA

Creating a more sustainable future.

Website7 offices1 projects4 leadersFounded 1979Size Estimate: 2,300 employeesUpdated Jun 2026

Project: MBTA Draw One Bridge Replacement

Service: Transportation Planning and EngineeringService: Land DevelopmentService: EnvironmentalIndustry: FederalIndustry: GovernmentType: Civil Engineering+17 more

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Willdan Group

Anaheim, CA

Willdan transitions communities to clean energy and a sustainable future

WebsitePhone2 offices3 projects1 leadersFounded 1964Size Estimate: 1,000-2,000 employees

Project: NFL Stadium Transportation Management and Operations Plan

Service: Energy and SustainabilityService: Energy efficiency program design and deliveryService: Utility program design and deliveryIndustry: UtilitiesIndustry: GovernmentType: Civil Engineering+55 more

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WorkingBuildings

Atlanta, GA

Commissioning, Facility Operations, & Sustainability

WebsitePhone2 offices3 projects7 leadersFounded 2000Updated Jun 2026

Project: WB Compounding Pharmacies Cleanroom Case Study

Service: Building CommissioningService: New Building Commissioning ServicesService: Retro-Commissioning ServicesIndustry: Data CentersIndustry: CommercialType: Environmental Engineering+25 more

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