Public engineering firm directory

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18 Grados Corp

San Juan, PR

18 Grados Design is a multidisciplinary design-build architecture and engineering practice based in Puerto Rico, specializing in contemporary design and comprehensive project development. Founded in 2013, the practice delivers a diverse range of services encompassing architecture, civil and structural engineering, permitting, and construction management. It supports projects across multiple sectors, ranging from custom single-family residences to complex retail expansions and mixed-use developments. By integrating design and construction under a single collaborative framework, 18 Grados Design streamlines the execution of both small-scale renovations and large-scale commercial developments.

Website1 office6 projects3 leadersFounded 2013Updated Jun 2026

Project: Mirador

Service: ArchitectureService: DesignService: Conceptual DesignIndustry: ResidentialIndustry: CommercialType: Architecture & Engineering+23 more

ABQ Engineering, Inc.

Albuquerque, NM

Cost-effective, one-stop engineering, surveying, and planning services

WebsitePhone1 office5 projects1 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Los Alamos County Golf Course Community Building

Service: Civil EngineeringService: Drainage and Hydrology AnalysisService: Grading and Drainage DesignIndustry: CommercialIndustry: RetailType: Civil Engineering+38 more

AEED, Inc.

Chattanooga, TN

Sustainable, Innovative Engineering Solutions

WebsitePhone1 office2 credentialsFounded 2001Updated Jun 2026

Service detail: Engineering, Consulting and Design

Service: Engineering, Consulting and DesignService: Mechanical EngineeringService: Clean Room Design and CommissioningIndustry: CommercialIndustry: HospitalityType: MEP+53 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects4 leadersUpdated Jun 2026

Project: Offset Success for Aviation Client

Service: ArchitectureService: Schematic and Conceptual Design DevelopmentService: Construction Documents and SpecificationsIndustry: AerospaceIndustry: AviationType: Architecture & Engineering+40 more

AES Northeast

Plattsburgh, NY

Architecture | Engineering | Surveying

WebsitePhone2 offices1 projects2 leadersFounded 1988Size Estimate: 11-50 employees

Project: Square Dashnaw Road Bridge Replacement

Service: ArchitectureService: Architectural Design & DocumentationService: Building Condition Surveys & Structural AnalysisIndustry: GovernmentIndustry: EducationType: Architecture & Engineering+27 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects1 leaders2 credentials2 publications

Project: Calcium Carbonate Production Plant

Service: Process EngineeringService: PFD and P&ID DevelopmentService: Material and Energy Balance SimulationIndustry: ChemicalsIndustry: Food & BeverageType: Automation & Controls+73 more

ANS

Scotch Plains, NJ

Engineering with integrity & purpose.

WebsitePhone1 office7 projects12 leadersSize Estimate: 100-300 employeesUpdated Jun 2026

Project: The Virginia Vanguard

Service: Civil, Site & Land DevelopmentService: Site Development & PermittingService: Regulatory Coordination & RepresentationIndustry: Renewable EnergyIndustry: SolarType: Civil Engineering+57 more

ATC Design Group

Escondido, CA

California's Only One Stop Shop

WebsitePhone1 officeFounded 1993Updated Jun 2026

Service detail: Planning and Permitting

Service: Planning and PermittingService: EntitlementsService: Permit ExpeditingIndustry: CommercialIndustry: RetailType: Architecture & Engineering+37 more

Advance Design Consultants Inc

San Jose, CA

Experience. Passion. Excellence.

WebsitePhone1 office7 projects2 leadersFounded 1984Updated Jun 2026

Project: BD Utility Chiller Plant (Project Granite)

Service: Architecture & PlanningService: Architectural DesignService: Architectural PlanningIndustry: CommercialIndustry: Data CentersType: Architecture & Engineering+38 more

Aillet, Fenner, Jolly & McClelland, Inc.

AFJMc is a consulting engineering firm with more than 55 years of experience delivering civil, structural, mechanical, electrical, and transportation engineering services. Its portfolio includes roadways, bridges, utility and site design, industrial process systems, higher education facilities, healthcare facilities, government buildings, sports and recreation facilities, and commercial projects.

Website3 projectsUpdated Jun 2026

Project: Jimmie Davis Bridge (LA 511) Replace/Rehab

Service: Civil EngineeringService: Site PlanningService: Stormwater ManagementIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

All-Phase Power, LLC

Medina, OH

Powering Your Future

WebsitePhone2 offices2 leadersUpdated Jun 2026

Service detail: Electrical Contracting

Service: Electrical ContractingService: Residential Electrical ServicesService: Commercial Electrical ServicesIndustry: CommercialIndustry: ResidentialType: Electrical Engineering+12 more

Altieri Sebor Wieber, LLC

Wilton, CT

Making Bold Visions Work

WebsitePhone2 offices5 projects1 leaders2 credentialsUpdated Jun 2026

Project: David Rockefeller Creative Arts Center

Service: MEPF EngineeringService: Mechanical EngineeringService: Building Automation and Energy ManagementIndustry: Arts & CultureIndustry: EducationType: MEP+56 more

Apex Engineering Corporation

Centreville, MS

Consulting Engineers

WebsitePhone1 office3 projects2 leaders4 credentialsFounded 1997

Project: Highway 61 and Liberty Road Lighting Project

Service: Electrical EngineeringService: Electrical Power DistributionService: Lighting SystemsIndustry: CommercialIndustry: RetailType: Electrical Engineering+26 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects3 credentialsFounded 1978Size Estimate: 25-50 employees

Project: Town of Windsor SCADA System

Service: Electrical EngineeringService: Lighting Design and ModelingService: Power System StudiesIndustry: WastewaterIndustry: Water SupplyType: Automation & Controls+33 more

Arseal Technologies, Inc.

Let's Engineer the Future

Website7 leadersUpdated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Architectural DesignService: Site Planning and DesignIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+24 more

Aspire Engineering

Fairfax, VA

Aspire Engineering is a consulting engineering practice located in the Washington, DC metropolitan area that provides mechanical, electrical, plumbing, and fire protection engineering services. Project types include commercial, educational, healthcare, institutional, retail, recreation, residential, government, religious, and retrofits. In addition to design services, it provides construction administration services, sustainable and LEED design, energy and life cycle cost analysis, lighting analysis, existing building system evaluations, master planning, commissioning, BIM design, and peer review. It also offers educational and instructional seminars to clients to increase awareness and knowledge of the engineering design process, available systems, and design choices for projects to improve overall building efficiencies.

WebsitePhone1 office6 projects2 leadersFounded 2012Updated Jun 2026

Project: Episcopal High School Dormitory Buildings

Service: Mechanical EngineeringService: Heating, Ventilation, and Air Conditioning (HVAC) SystemsService: Energy Management Control SystemsIndustry: CommercialIndustry: RetailType: Mechanical Engineering+39 more

Astra Engineering LLC

Twin Falls, ID

Industrial Design, Automation, and Engineering Solutions

WebsitePhone1 office2 projects4 credentialsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: Heritage Academy Campus Expansion

Service: Construction EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: ManufacturingIndustry: MiningType: Civil Engineering+32 more

Astral Engineers P.C.

Rancho Cucamonga, CA

Professional Engineering Services - Mechanical, Electrical, Plumbing, Technology, Fire Protection

WebsitePhone2 offices11 projects3 leaders1 credentials1 publications

Project: Mohs & GI Procedure Room Renovation

Service: Mechanical EngineeringService: Air Handling Unit DesignService: Central Utility PlantsIndustry: HealthcareIndustry: FederalType: MEP+51 more

BHC Consultants

Seattle, WA

Innovative engineering, planning, and code compliance solutions for Pacific Northwest communities

WebsitePhone3 offices12 projectsFounded 2006Updated Jun 2026

Project: Edmonds 2023 Climate Action Plan

Service: EngineeringService: Wastewater EngineeringService: Drinking Water EngineeringIndustry: GovernmentIndustry: InfrastructureType: Civil Engineering+21 more

Bala Consulting Engineers, Inc.

Wayne, PA

Engineering a better future focused on the human experience.

WebsitePhone5 offices10 projects12 leaders2 credentialsFounded 1982

Project: Cencora

Service: Mechanical EngineeringService: HVAC and Mechanical SystemsService: Plumbing and Fire ProtectionIndustry: CommercialIndustry: TransportationType: MEP+29 more

Bemis Associates, LLC

Farmington, CT

Practical and sustainable engineering design for MEP and fire protection systems

WebsitePhone1 office6 projects2 leaders1 credentialsFounded 1929

Project: Ella Grasso Technical High School

Service: Project Management and ConsultingService: Conceptual DesignService: Working Drawings and SpecificationsIndustry: EducationIndustry: HealthcareType: MEP+58 more

Bildworx Design

Fort Lauderdale, FL

Engineering Consultants Serving the Architectural Engineering Industry

WebsitePhone2 offices4 leadersUpdated Jun 2026

Service detail: MEP Consulting

Service: MEP ConsultingService: Mechanical EngineeringService: HVAC Design and Equipment SelectionIndustry: CommercialIndustry: ResidentialType: MEP+45 more

Black Sheep Engineering

Bozeman, MT

Game Changers. Future Chasers.

Website1 office3 leadersFounded 2015Size Estimate: 15 employeesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Geothermal SystemsService: Energy ManagementIndustry: ResidentialIndustry: CommercialType: MEP+14 more

Bridgers & Paxton Consulting Engineers, Inc.

Albuquerque, NM

We make buildings come to life

WebsitePhone3 offices3 projects10 credentialsFounded 1951Updated Jun 2026

Project: Kirtland Air Force Base Microgrid Resiliency Project

Service: Mechanical EngineeringService: Heating, Ventilating, and Air Conditioning (HVAC)Service: Central Plant DesignIndustry: GovernmentIndustry: HealthcareType: MEP+45 more