Public engineering firm directory

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28 Gorilla Engineering

Chandler, AZ

Ruggedized product engineering for the field and the future.

WebsitePhone1 office8 projects2 leaders1 credentialsFounded 2017

Project: JASC Pressure Regulating Controller

Service: Mechanical Engineering DesignService: Assembly-aware mechanical designService: CNC and machined part designIndustry: DefenseIndustry: AerospaceType: Defense Engineering+49 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders4 credentialsFounded 1989Updated Jun 2026

Service detail: Chemical and Process Design

Service: Chemical and Process DesignService: Documentation and AnalysisService: Specialized CalculationsIndustry: Oil & GasIndustry: PetrochemicalType: Chemical Engineering+64 more

ARUSI, LLC

Phoenix, AZ

Powering Your Vision With 35 Years of Experience

WebsitePhone1 office2 projects1 leadersFounded 1987Updated Jun 2026

Project: Sky Harbor International Airport Utility Services

Service: Utility Engineering, Coordination & ConsultingService: System StudiesService: Utility CoordinationIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Electrical Engineering+21 more

ATSI, Inc.

Amherst, NY

Changing the World Since 1977

WebsitePhone1 officeFounded 1977Size Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Front-End Engineering & Design (FEED)

Service: Front-End Engineering & Design (FEED)Service: FEL-1: Conceptual Engineering & FeasibilityService: FEL-2: Planning & Specification DevelopmentIndustry: Renewable EnergyIndustry: ChemicalsType: Process Engineering+39 more

Ampirical

Partnering with you to deliver innovative, reliable energy solutions that enhance lives and strengthen the grid.

Website3 projects1 credentialsSize Estimate: 250-500 employeesUpdated Jun 2026

Project: 230kV Transmission Line EPC

Service: Substation EngineeringService: Full physical, civil, structural, and P&C designService: Grounding, shielding, and lightning protectionIndustry: Electric UtilitiesIndustry: Power GenerationType: Automation & Controls+58 more

Appendix R Solutions Inc

Hanover, VA

Providing unique multi-disciplinary engineering solutions

WebsitePhone1 office1 projectsFounded 2000Updated Jun 2026

Project: Post-Fukushima Safe Shutdown and Restart Support

Service: Fire Protection EngineeringService: Fire ModelingService: Classical Fire ProtectionIndustry: NuclearIndustry: Power GenerationType: Fire Protection Engineering+25 more

Applied Engineering Services, Inc.

Ridgway, CO

We Know How

WebsitePhone3 officesFounded 1992Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Mechanical System DesignService: HVAC Systems DesignIndustry: AerospaceIndustry: NuclearType: Civil Engineering+46 more

Bartoszek Engineering

Aurora, IL

Mechanical Design for the Research Community World-wide

WebsitePhone1 office4 projects1 leadersSize Estimate: 1-9 employeesUpdated Jun 2026

Project: Muon g-2 Magnet Move Support

Service: Mechanical DesignService: Conceptual DesignService: CAD Drafting & Solid ModelingIndustry: NuclearIndustry: Research FacilitiesType: Mechanical Engineering+12 more

Bay Engineering, Inc.

Sturgeon Bay, WI

Integrity in Every Design, Solutions for Every Challenge: Your Trusted Marine Engineering Partner.

WebsitePhone1 office1 projects8 leadersFounded 1996Updated Jun 2026

Project: First Great Lakes Bulk Freighter in Nearly Four Decades

Service: Naval ArchitectureService: Stability Analysis & SurveysService: Weight Engineering & Tank PlansIndustry: MarineIndustry: CommercialType: Marine Engineering+26 more

Beacon Engineers

Bothell, WA

Multi-discipline industrial engineering and owner's representation services

WebsitePhone1 officeFounded 1999Updated Jun 2026

Service detail: Engineering Design Services

Service: Engineering Design ServicesService: Civil and Structural DesignService: Mechanical and Piping SystemsIndustry: IndustrialIndustry: ManufacturingType: Civil Engineering+21 more

Bell Engineering and Commissioning, LLC

Specialized MEP Technical Support, Commissioning, and Energy Consulting

Website10 projects2 leaders2 credentialsUpdated Jun 2026

Project: Google Washington DC Office Commissioning

Service: MEP Technical SupportService: Central Plant AssessmentsService: Air Distribution and Pumping SystemsIndustry: CommercialIndustry: FederalType: MEP+20 more

Biagi Chance Cummins London Titzer Inc

Professional Engineering Services

Website7 projects2 credentialsFounded 1965Updated Jun 2026

Project: North Tower Expansion - Hardin Memorial Hospital

Service: Building Systems EngineeringService: HVAC & Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: Civil Engineering+23 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

Byson Solutions Group Corp

Corpus Christi, TX

Multi-Discipline Engineering Solutions Built on Experience

WebsitePhone1 office2 leadersFounded 2019Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Pump and Mechanical SystemsService: Marine ApplicationIndustry: CommercialIndustry: GovernmentType: Automation & Controls+36 more

CI-MECH Engineering LLC

Jacksonville, FL

Civil, Mechanical, Electrical, and Plumbing Engineering Services

WebsitePhone1 officeUpdated Jun 2026

Service detail: MEP Engineering

Service: MEP EngineeringService: Mechanical DesignService: Heating and Cooling Load CalculationsIndustry: ResidentialIndustry: CommercialType: MEP+39 more

CREAN Inc.

Austin, TX

Redefining performance for the next era of aerospace and manufacturing.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Systems Engineering, Integration & Test (SEIT)

Service: Systems Engineering, Integration & Test (SEIT)Service: System Concept of Operations (ConOps) DevelopmentService: System Architecture, Subsystem Decomposition, & InterfacesIndustry: AerospaceIndustry: SpaceType: Aerospace Engineering+62 more

CYTRIC LLC

Columbia, MD

Operation Technology Engineering and Management

WebsitePhone1 officeUpdated Jun 2026

Service detail: Commissioning, Controls & Energy

Service: Commissioning, Controls & EnergyService: Building CommissioningService: Building Automation SystemsIndustry: Electric UtilitiesIndustry: GovernmentType: MEP+26 more

Carpenter Associates

Old Town, ME

Carpenter Associates is a full-facility engineering practice based in Old Town, Maine, with more than 50 years of experience. It delivers mechanical, electrical, structural, and civil engineering alongside permitting and construction services for architects, municipalities, school departments, and private-sector clients across Maine and New England. Direct client engagement and careful attention to initial costs and long-term maintenance are central to every project.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil / Site Design

Service: Civil / Site DesignService: Site Selection AssessmentService: Phase I Environmental Site AssessmentIndustry: GovernmentIndustry: EducationType: Civil Engineering+66 more

Coastal Grid Inc

San Luis Obispo, CA

Engineering The Grid Of Tomorrow

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Design and Project Engineering

Service: Design and Project EngineeringService: Electrical Substation Design, Drafting, and Project ManagementService: Project Design and Print PackagesIndustry: Electric UtilitiesIndustry: Power Transmission & DistributionType: Automation & Controls+27 more

Copper Roots

Fort Worth, TX

Engineering Excellence, Rooted in People

Website1 office10 leadersSize Estimate: 10-49 employeesUpdated Jun 2026

Service detail: Power System Design

Service: Power System DesignService: Greenfield, Rebuild, and Interconnection DesignService: Foundation DesignIndustry: UtilitiesIndustry: Power Transmission & DistributionType: Power & Utility Engineering+12 more

Creative Engineers Inc

New Freedom, PA

Alkali metals and chemical process engineering experts

WebsitePhone1 office5 projects19 leaders1 credentialsFounded 1996

Project: SEA Wire PTFE-Coated Wire Etching System

Service: Chemical & Process EngineeringService: Conceptual and Detailed Process DesignService: Process Flow Diagrams (PFDs) & Mass and Energy Balance (M&EB)Industry: NuclearIndustry: Oil & GasType: Chemical Engineering+33 more

Crenshaw Consulting Engineers, Inc.

Raleigh, NC

Committed to Customer Satisfaction through Quality Engineering

WebsitePhone2 offices1 projects1 leadersFounded 1995Size Estimate: 44 employees

Project: The Eastern (North Hills Tower IV)

Service: Mechanical, Electrical & Plumbing EngineeringService: Mechanical DesignService: Heating, cooling, and ventilation systemsIndustry: CommercialIndustry: RetailType: MEP+66 more

D4C Product Development Inc.

San Diego, CA

D4C Product Development is a San Diego-based engineering and product development practice that guides hardware products from concept to market. It integrates mechanical, electrical, and software engineering with industrial design, prototyping, and manufacturing support, serving consumer electronics, IoT devices, environmental technology, and public safety markets.

WebsitePhone1 office13 projectsUpdated Jun 2026

Project: Big Dipper Point of Sale

Service: Design & Research StrategyService: Product Requirements DefinitionService: Concept Development & Product ArchitectureIndustry: ElectronicsIndustry: Consumer ProductsType: Mechanical Engineering+36 more

DEG US LLC

Dallas, TX

Engineering Made Simple

WebsitePhone2 offices3 credentialsUpdated Jun 2026

Service detail: Instrumentation Engineering

Service: Instrumentation EngineeringService: Field Instrument SelectionService: Front End DesignIndustry: Oil & GasIndustry: PetrochemicalType: Electrical Engineering+9 more