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

A&J Consulting Engineering Services, P.C.

Clifton, NJ

A&J Consulting Engineering Services, P.C. is a full-service MEP consulting engineering practice headquartered in Clifton, New Jersey. Founded in 1988 by Jay Agarwal, P.E., A&J delivers mechanical, electrical, and plumbing systems design, pharmaceutical validation and commissioning, construction administration, sustainable design, and high-technology systems consulting. Clients span the pharmaceutical, biotechnology, commercial, educational, governmental, industrial, and religious sectors across the New York-New Jersey region.

WebsitePhone1 office5 projects1 leadersFounded 1988Updated Jun 2026

Project: Validation of an Aseptic Vial Filling Line

Service: MEP Systems DesignService: HVACService: Electrical SystemsIndustry: PharmaceuticalIndustry: Life SciencesType: MEP+40 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

AlfaTech

Harmonizing Relationships, Sustainability and Innovation

Website10 projects13 leadersUpdated Jun 2026

Project: The Lucas Museum of Narrative Art

Service: MEP EngineeringService: Mechanical Engineering DesignService: Electrical Engineering DesignIndustry: CommercialIndustry: RetailType: MEP+65 more

Amodu Engineering Solutions, LLC

St. Louis, MO

Building Relationships through Affordable Engineering Excellence

WebsitePhone1 office1 leaders17 credentialsFounded 2007Updated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Load Calculation ServicesService: Energy Modeling and AnalysisIndustry: HealthcareIndustry: EducationType: MEP+27 more

Associated Technology, Incorporated

Fairfield, NJ

Engineering Design & Consulting

WebsitePhone1 office2 credentialsUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Heating, Ventilation, and Air ConditioningService: Hydronic SystemsIndustry: CommercialIndustry: RetailType: MEP+55 more

CoolSys Energy Design

Princeton, NJ

Engineering Solutions That Power Your Bottom Line.

WebsitePhone3 offices8 projects7 leaders9 credentialsSize Estimate: 100-250 employees

Project: Atrium Palace Condominiums

Service: Mechanical and HVAC EngineeringService: Heating, Ventilation, and Air Conditioning SystemsService: Chiller and Boiler Central PlantsIndustry: CommercialIndustry: RetailType: Automation & Controls+48 more

Corish Engineering

Linden, VA

Mechanical Engineering Services

WebsitePhone1 office1 leadersFounded 2001Size Estimate: 1-4 employeesUpdated Jun 2026

Service detail: Industrial Piping Systems

Service: Industrial Piping SystemsService: Aviation Fueling InfrastructureService: Fuel Terminal and Pipeline SystemsIndustry: Oil & GasIndustry: AviationType: Mechanical Engineering+17 more

Creative Environment Corp.

Cranston, RI

Creative Environment Corp. (CEC) is a Providence-area MEP engineering firm offering mechanical, electrical, plumbing, and fire protection design for a broad range of building types. With principals carrying over 28 and 30 years of consulting experience respectively, CEC delivers services from conceptual design through construction administration and commissioning across commercial, education, healthcare, hospitality, government, and other market sectors. Roughly 80% of CEC's work comes from repeat clients.

WebsitePhone2 offices2 leadersUpdated Jun 2026

Service detail: Master Planning

Service: Master PlanningService: Conceptual DesignService: Engineering and DesignIndustry: CommercialIndustry: EducationType: MEP+23 more

Daou Engineers, Inc.

A Mechanical and Electrical Engineering Company

Website1 leadersFounded 1997Updated Jun 2026

Service detail: Mechanical, Electrical, and Plumbing Engineering

Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC and Mechanical DesignService: Electrical Systems EngineeringIndustry: CommercialIndustry: EducationType: Mechanical Engineering+22 more

Davila Engineering, LLC

Orlando, FL

Design. Manage. Deliver.

WebsitePhone2 offices15 projects1 leadersUpdated Jun 2026

Project: AHU and Exhaust System Replacement

Service: MEPFP EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: Life SciencesType: MEP+20 more

Delta G Consulting Engineers, Inc.

Fort Lauderdale, FL

Full-service consulting engineering practice specializing in MEP, fire protection, and LEED-certified designs.

WebsitePhone2 offices2 leaders2 credentialsFounded 1992Size Estimate: 10-49 employees

Service detail: Heating, Ventilation, and Air Conditioning (HVAC)

Service: Heating, Ventilation, and Air Conditioning (HVAC)Service: Chilled Water and Condenser Water SystemsService: Constant Volume Air HandlingIndustry: HealthcareIndustry: AirportsType: MEP+99 more

Design Management Group

Pittston, PA

Building Systems Smarter

WebsitePhone3 officesUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: Building HVAC & Thermal DesignService: Central Plant SystemsIndustry: CommercialIndustry: Data CentersType: MEP+37 more

Doshi Engineering PLLC

We Believe In Passion For Engineering Excellence

Website1 projects1 leaders3 credentialsUpdated Jun 2026

Project: Sorin Medical

Service: MEP EngineeringService: Mechanical (HVAC) EngineeringService: Electrical EngineeringIndustry: AviationIndustry: EducationType: Fire Protection Engineering+21 more

EDGE Engineers

Baltimore, MD

Enterprising | Diverse | Green | Exceptional

WebsitePhone2 offices5 projects3 leadersUpdated Jun 2026

Project: Hackensack Meridian Jersey Shore University Medical Center

Service: Mechanical, Electrical, and Plumbing EngineeringService: Mechanical EngineeringService: Electrical EngineeringIndustry: HealthcareIndustry: EducationType: MEP+19 more

Engineering Planning and Management, Inc.

Framingham, MA

Experts in Risk Analysis & Risk-Informed Management

WebsitePhone2 offices4 leadersFounded 1980Updated Jun 2026

Service detail: Risk-Informed Engineering

Service: Risk-Informed EngineeringService: Probabilistic Risk AssessmentService: Thermal Hydraulic AnalysisIndustry: NuclearIndustry: Power GenerationType: Fire Protection Engineering+24 more

FPLS Engineering, LLC

Richmond, VA

When Failure Isn't an Option, Trust Engineers Who Have Seen It All.

WebsitePhone1 office2 leadersUpdated Jun 2026

Service detail: Fire Protection System Design

Service: Fire Protection System DesignService: Fire Detection and Alarm DesignService: Mass Notification System DesignIndustry: FederalIndustry: DefenseType: Fire Protection Engineering+19 more

George Butler Associates

Lenexa, KS

Transforming Our Clients’ Visions into Reality.

Website1 office12 leadersFounded 1969Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: Building CodesService: Asset Management And ReliabilityIndustry: CommercialIndustry: FederalType: Architecture & Engineering+22 more

JLMS Consulting Engineers, P.S.C.

San Juan, PR

JLMS Consulting Engineers, P.S.C. is a mechanical engineering design and consulting practice based in San Juan, Puerto Rico, with more than twenty years of experience in HVAC, plumbing and piping, fire protection, controls and instrumentation, and energy audits. JLMS has designed systems for commercial, institutional, industrial, pharmaceutical, and residential projects across Puerto Rico, the continental United States, and the broader Caribbean region. A member of the USGBC Caribbean Chapter since 2005, it has contributed to numerous LEED-certified projects spanning retail, restaurant, school, healthcare, and pharmaceutical facilities, including a LEED Platinum-certified industrial project that received the Puerto Rico Engineers Council Outstanding Project Award.

Website1 office2 projects3 credentialsUpdated Jun 2026

Project: Sartorius Stedim Filters

Service: Mechanical EngineeringService: Heating, Ventilation, and Air ConditioningService: Plumbing, Piping, and Fire ProtectionIndustry: CommercialIndustry: RetailType: Mechanical Engineering+14 more

Johnson & Urban, LLC

Founded by partners Doug Johnson and John Urban, Johnson & Urban, LLC offers mechanical and electrical engineering consulting services to architects, owners, developers, design-build contractors, educational boards, and governmental agencies throughout the United States. The practice maintains a strong record of success in designing mechanical, electrical, plumbing, and fire protection systems for complex and high-tech environments. Its portfolio includes new construction, expansions, and renovations for hospitals, laboratories, data centers, universities, museums, multi-family residential projects, and historic landmark buildings.

Website1 leaders8 credentialsUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC DesignService: Building Energy ModelingIndustry: EducationIndustry: PharmaceuticalType: MEP+34 more

Maida Engineering, Inc.

Philadelphia, PA

Service oriented, project driven success.

WebsitePhone2 offices1 projects1 leaders3 credentialsFounded 1978

Project: 19,000 HP Synchronous Motor Replacement

Service: Power System AnalysesService: Reliability & Load Flow StudiesService: Short Circuit Calculations & TCC Coordination StudiesIndustry: IndustrialIndustry: CommercialType: Electrical Engineering+47 more

Oxner Engineering, Inc.

Shreveport, LA

Oxner Engineering is a professional engineering and building commissioning practice founded on the principles of integrity, respect, and reliability. It helps owners, managers, engineers, and contractors produce high-performing facilities by providing commissioning, testing, adjusting, and balancing services across HVAC, plumbing, electrical, fire protection, and building envelope systems. Formed in 1986, the practice serves a wide range of facility types including healthcare, pharmaceutical, manufacturing, defense, and commercial buildings primarily across Louisiana and the Gulf South.

Website1 office37 projects2 leaders2 credentialsFounded 1986Updated Jun 2026

Project: BL-3 Laboratory Suites, Biomedical Research Institute

Service: Building CommissioningService: Commissioning of Building HVAC SystemsService: Commissioning of Building Plumbing SystemsIndustry: HealthcareIndustry: PharmaceuticalType: MEP+34 more

PMH Associates, Inc.

Moorestown, NJ

PMH Associates, Inc. offers mechanical and electrical engineering and design services to architects, other engineers, contractors, insurance underwriters, and facility owners. The PMH mission is to provide engineering services with the highest level of quality and expertise available in a timely and ethical manner.

WebsitePhone2 offices4 leaders5 credentialsUpdated Jun 2026

Service detail: Mechanical Engineering

Service: Mechanical EngineeringService: HVAC Design & SpecificationService: Industrial RefrigerationIndustry: RetailIndustry: HealthcareType: MEP+42 more

Pond

Pioneering Innovation Since 1965

Website8 projects3 leaders2 credentialsFounded 1965Size Estimate: 850+ employeesUpdated Jun 2026

Project: Gary/Chicago Airport Air Cargo Development Services

Service: EngineeringService: Civil EngineeringService: Structural EngineeringIndustry: AviationIndustry: DefenseType: Architecture & Engineering+101 more