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 leaders
Service: ArchitectureService: DesignIndustry: ResidentialType: Architecture & Engineering+25 more

28 Gorilla Engineering

Chandler, AZ

Ruggedized product engineering for the field and the future.

WebsitePhone1 office8 projects
Service: Mechanical Engineering DesignService: Assembly-aware mechanical designIndustry: DefenseType: Defense Engineering+51 more

3 Phase Associates LLC

Chattanooga, TN

Electrical Engineering and Consulting Services

Website1 office2 credentialsFounded 2016
Service: Electrical EngineeringService: Power System CalculationsIndustry: UtilitiesType: Electrical Engineering+33 more

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentials
Service: Engineering and Project ManagementService: Mechanical EngineeringIndustry: NuclearType: Environmental Engineering+33 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026
Service: Systems EngineeringService: Architecture DevelopmentIndustry: AerospaceType: Defense Engineering+25 more

AENY Engineering P.C.

Northport, NY

Cost Effective Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Naval Architecture and Marine EngineeringService: Vessel Design and Construction SupportIndustry: AirportsType: Naval Architecture+29 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects
Service: ArchitectureService: Schematic and Conceptual Design DevelopmentIndustry: AerospaceType: Architecture & Engineering+42 more

AMG, Inc.

Dayton, OH

Industrial Facility Engineering

WebsitePhone1 office12 projects
Service: Process EngineeringService: PFD and P&ID DevelopmentIndustry: ChemicalsType: Automation & Controls+75 more

AMT Corporation

Madison, AL

Absolute accuracy. Proven reliability.

WebsitePhone1 office1 leaders
Service: Systems Engineering and CADService: Mechanical system and component designIndustry: DefenseType: Defense Engineering+22 more

ASG Solutions Corporation

San Diego, CA

ASG Solutions Corporation is a San Diego-based professional services provider supporting critical federal and military missions globally. It specializes in delivering tailored solutions across engineering, construction management, environmental services, information technology, and defense logistics.

WebsitePhone1 office10 projects
Service: Engineering ServicesService: Electrical EngineeringIndustry: DefenseType: Defense Engineering+25 more

Accentz, Inc.

Engineering, Training & Technology Solutions since 2002

WebsiteFounded 2002Updated Jun 2026
Service: Power Management & Data AcquisitionService: Building Performance BenchmarkingIndustry: CommercialType: Mechanical Engineering+18 more

Acute Solutions

Discover, Develop, Deliver

Website2 credentialsFounded 2014Updated Jun 2026
Service: Turnkey Product DevelopmentService: Product DefinitionIndustry: Medical DevicesType: Mechanical Engineering+25 more

Adley Services, LLC

Lafayette, LA

Onshore or offshore. Upstream, midstream, or downstream.

WebsitePhone1 office4 leaders
Service: Facilities Engineering and DesignService: Offshore and Onshore Facilities DesignIndustry: Oil & GasType: Process Safety Engineering+29 more

Advanced Logistics Support (ALS) Corporation

Albuquerque, NM

Delivering consistent high standard results

WebsitePhone2 offices4 projects
Service: Engineering and Technical ServicesService: Electronic Warfare & SATCOM Systems EngineeringIndustry: DefenseType: Defense Engineering+18 more

Alaimo Group

Mt. Holly, NJ

Over 50 years of engineering excellence

WebsitePhone2 offices4 projects
Service: Municipal ServicesService: Township Engineer RepresentationIndustry: GovernmentType: Architecture & Engineering+30 more

Alliance Automation & Control, Inc.

Rogersville, AL

No project too large, no requirement too detailed.

WebsitePhone1 office1 credentials
Service: Electrical EngineeringService: Electrical DesignIndustry: AutomotiveType: Automation & Controls+14 more

Allied Corrosion Industries, Inc.

Marietta, GA

Bringing 40+ Years of Experience to Solve Your Corrosion Challenges

WebsitePhone1 office1 leaders
Service: Cathodic Protection ServicesService: Cathodic Protection DesignIndustry: Oil & GasType: Electrical Engineering+25 more

Alpha Engineering, Inc.

Indianapolis, IN

Innovative Power Solutions

WebsitePhone1 office3 leaders
Service: Power Systems EngineeringService: Substation EngineeringIndustry: CommercialType: Electrical Engineering+24 more

Amped I LLC

Chicago, IL

We engineer & design systems for the reliability of the power grid.

Website1 office4 projects2 leaders
Service: Protection & ControlService: Relay ProtectionIndustry: Power Transmission & DistributionType: Power & Utility Engineering+36 more

Amtec Corporation

Huntsville, AL

Engineering and technical services for federal government agencies and defense programs

WebsitePhone1 officeFounded 1988
Service: Systems and Multi-Disciplinary EngineeringService: Aerospace EngineeringIndustry: AerospaceType: Aerospace Engineering+27 more

Andrews & Associates Engineering, Inc.

Lynnwood, WA

Professional engineering design services specializing in instrumentation hardware and software development.

WebsitePhone1 office4 projects
Service: Electronics Design and DevelopmentService: Analog and Precision Analog CircuitryIndustry: IndustrialType: Automation & Controls+30 more

Appendix R Solutions Inc

Hanover, VA

Providing unique multi-disciplinary engineering solutions

WebsitePhone1 office1 projects
Service: Fire Protection EngineeringService: Fire ModelingIndustry: NuclearType: Fire Protection Engineering+27 more

Applied Engineering Services, Inc.

Ridgway, CO

We Know How

WebsitePhone3 officesFounded 1992
Service: Mechanical EngineeringService: Mechanical System DesignIndustry: AerospaceType: Civil Engineering+48 more

ArcSine Engineering

Redding, CA

The Expert's Expert.

WebsitePhone2 offices4 projects
Service: Electrical EngineeringService: Lighting Design and ModelingIndustry: WastewaterType: Automation & Controls+35 more