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

3mg P S C

Designing Spaces. Engineering Solutions. Delivering Excellence

Website14 projects18 leadersUpdated Jun 2026

Project: American University - Student Center

Service: ArchitectureService: Master PlansService: Feasibility StudiesIndustry: CommercialIndustry: EducationType: Architecture & Engineering+48 more

4M Research, Inc.

Huntsville, AL

4M Research, Inc., headquartered in Huntsville, AL since 2010, specializes in engineering, enterprise solutions, and operations and logistics services across the DoD and NASA sectors. 4M provides quality engineering support to a wide variety of customers as both a prime contractor and a subcontractor. Its team of technical professionals is dedicated to supporting the business and mission goals of clients, with a portfolio of high-end technical skills and substantial past performance.

Website1 office1 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Systems Engineering and AnalysisService: Software Engineering and SupportIndustry: AerospaceIndustry: AviationType: Aviation Engineering+12 more

7NT Enterprises, LLC

Miamisburg, OH

Proper Execution with Precision

WebsitePhone1 office9 projects1 leaders4 credentialsFounded 2008

Project: Gordie Howe International Bridge

Service: Drilling ServicesService: Rock Coring and Soil SamplingService: Hydraulic Conductivity TestingIndustry: WastewaterIndustry: Water SupplyType: Geotechnical Engineering+19 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects1 leadersFounded 1974Updated Jun 2026

Project: Passamaquoddy Water Treatment Plant

Service: EngineeringService: Water Systems DesignService: Wastewater Systems DesignIndustry: GovernmentIndustry: UtilitiesType: Civil Engineering+31 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects2 leadersFounded 2012Updated Jun 2026

Project: Naval Air Station North Island Soil Investigation

Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsService: Underground Storage Tank Assessment and ClosureIndustry: FederalIndustry: DefenseType: Architecture & Engineering+39 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

AESUS Design Group, LLC

Tempe, AZ

Integrated Architecture & Engineering

WebsitePhone3 offices12 projects2 leaders1 credentialsFounded 2014

Project: 5th Floor Med-Surg Inpatient Wing Gut & Remodel

Service: ArchitectureService: Architectural Concept DesignService: Design Development DocumentationIndustry: HealthcareIndustry: FederalType: Architecture & Engineering+48 more

Abacoll Solutions LLC

Dallas, TX

Your go-to Engineering and Project Management Partner

WebsitePhone1 office3 leadersUpdated Jun 2026

Service detail: Engineering

Service: EngineeringService: Systems EngineeringService: Mechanical EngineeringIndustry: ManufacturingIndustry: TransportationType: Owner's Engineer+9 more

Acela Architects + Engineers, PC

Allentown, PA

Innovation. Integrated

WebsitePhone1 office4 projects3 leaders1 credentialsFounded 2014

Project: Strategic Facility Planning

Service: ArchitectureService: Conceptual and schematic designService: Design developmentIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+28 more

Akina Inc

Highland, MD

Smart solutions for smarter business.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Project Management

Service: Project ManagementService: EngineeringService: Systems EngineeringIndustry: Intelligence & National SecurityIndustry: DefenseType: Software Engineering+8 more

Albert Kahn Associates, Inc.

Detroit, MI

Improving Life Through Design

Website1 office11 projects4 leadersUpdated Jun 2026

Project: VinFast Auto USA

Service: ArchitectureService: Condition Assessment ReportService: Existing Facilities EvaluationIndustry: IndustrialIndustry: ManufacturingType: Architecture & Engineering+42 more

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

Alphaport, Inc.

Strongsville, OH

Advanced engineering, mission assurance, and technology solutions

WebsitePhone1 office2 projects1 credentialsFounded 1999Updated Jun 2026

Project: Spacecraft Reaction Control Ignition System

Service: Aerospace EngineeringService: Rocket and Spacecraft Ignition SystemsService: Defense EngineeringIndustry: DefenseIndustry: AerospaceType: Aerospace Engineering+12 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

Anil Verma Associates, Inc.

Los Angeles, CA

Anil Verma Associates, Inc. is a Los Angeles-based architectural-engineering practice offering a complete range of services from project concept development and budgeting through engineering, construction management, and facility turnover. Founded in 1985, it specializes in mass transit infrastructureΓÇöincluding high-speed rail, commuter rail, light rail, and monorail systemsΓÇöas well as civic, educational, government, and private development projects. Its portfolio includes major transit stations for LA Metro, Silicon Valley BART extensions, Honolulu Rail Transit, Sound Transit, and Amtrak facilities.

WebsitePhone1 office7 projects1 leaders2 credentials2 publications

Project: LA Metro Regional Connector - Little Tokyo/Arts District Station

Service: Architecture, Planning, and LandscapeService: Transit FacilitiesService: Civic FacilitiesIndustry: TransitIndustry: RailType: Architecture & Engineering+20 more

Applied Chemical Technology, Inc.

Florence, AL

Applied Chemical Technology (ACT) is a one-stop engineering, research and development, and fabrication firm founded in 1981 and headquartered in Florence, Alabama. ACT specializes in chemical process scale-up, providing integrated engineering, laboratory and pilot plant R&D, and custom equipment fabrication for clients in the chemical, fertilizer, agriculture, and mining industries. Its 84,500-square-foot Florence campus includes office, laboratory, fabrication, and pilot plant facilities, and its ASME VIII Div 1 pressure vessel shop supports design and build of custom reactors and process systems.

WebsitePhone1 office1 credentialsFounded 1981Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Process EngineeringService: Mechanical EngineeringIndustry: ChemicalsIndustry: AgricultureType: Chemical Engineering+21 more

Applied Technical Services

Founded in 1967, Applied Technical Services (ATS) is a nationwide testing, inspection, and certification (TIC) provider with expertise in structural engineering, forensic engineering, calibration, and materials testing. ATS serves more than 15 industries including aerospace, automotive, defense, healthcare, and manufacturing, evaluating raw materials, individual components, and complex systems through metallurgy and materials testing, chemical analysis, nondestructive testing, mechanical testing, and calibration services. ATS joined SGS, the world's leading TIC company, while continuing to operate under its own brand and service standards.

WebsiteFounded 1967Updated Jun 2026

Service detail: Calibration

Service: CalibrationService: Avionics CalibrationService: Computed TomographyIndustry: AerospaceIndustry: AutomotiveType: Structural Engineering+44 more

Argo Navis Technologies

Together We Succeed

WebsiteUpdated Jun 2026

Service detail: Professional Services

Service: Professional ServicesService: Cybersecurity & ComplianceService: Operations & LogisticsIndustry: AerospaceIndustry: TelecommunicationsType: Software Engineering+29 more

Atane Consulting

New York, NY

Excel. Together.

WebsitePhone10 offices7 projects17 leaders17 credentialsUpdated Jun 2026

Project: Bloomingdale Road Reconstruction

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: TransportationIndustry: Highways & RoadsType: Architecture & Engineering+33 more

Atriax Group

Hickory, NC

Atriax Group is an architecture and engineering firm headquartered in Hickory, North Carolina, providing architectural and interior design, engineering, project management, construction administration, and design-build services to military and government installations, healthcare facilities, and public and private sector clients nationwide. Founded in 2001 by two retired US Air Force civil engineering officers, the group operates as Atriax, PLLC for A/E services and Atriax Building Solutions, LLC for general contracting and design-build delivery.

WebsitePhone1 office5 leaders1 credentialsFounded 2001Size Estimate: 30+ employees

Service detail: Architecture & Interior Design

Service: Architecture & Interior DesignService: Operating RoomsService: Police StationsIndustry: FederalIndustry: DefenseType: Architecture & Engineering+20 more

Atwell

Southfield, MI

We create solutions for the built environment.

Website18 offices12 projects6 leaders8 credentialsSize Estimate: 1,000+ employeesUpdated Jun 2026

Project: Walmart Metro Atlanta Drone Delivery Operations Support

Service: Program & Development ServicesService: Program ManagementService: Owner's Representative ServicesIndustry: Land DevelopmentIndustry: Oil & GasType: Civil Engineering+38 more

Averette Engineering Co., P.A.

Raeford, NC

Averette Engineering Co., P.A. is a full-service engineering, land surveying, and planning firm based in Raeford, North Carolina. Founded in June 1970 by Charles D. Averette, the practice has served Cumberland County, Harnett County, Hoke County, and Robeson County for more than 50 years. Project experience includes subdivisions, roadway design, water main extensions, sanitary sewer extensions, school sites, and apartment sites. Michael D. Averette, a licensed engineer in North Carolina and Georgia and a registered land surveyor, has led the firm as president since 2000.

WebsitePhone1 officeFounded 1970Updated Jun 2026

Service detail: Engineering

Service: EngineeringService: Land SurveyingService: PlanningIndustry: ResidentialIndustry: CommercialType: Civil Engineering+7 more

B&W Energy Services

Deer Park, TX

B&W Energy Services is an ISO 9001:2015 certified firm headquartered in Deer Park, TX, specializing in pre-commissioning and commissioning services for complex energy facilities worldwide. It delivers industrial cleaning, flushing, and inspection services including its proprietary AquaLazing process, steam blowing, chemical cleaning, and high-velocity oil flushing across the oil and gas, petrochemical, power generation, LNG, renewable energy, and data center sectors.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Pre-Commissioning and Commissioning Services

Service: Pre-Commissioning and Commissioning ServicesService: AquaLazingService: Steam BlowingIndustry: Power GenerationIndustry: Oil & GasType: Process Engineering+15 more