Public engineering firm directory

Find engineering consulting firms by capability and location.

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Associated Consulting Engineering, Inc.

Sioux Falls, SD

Associated Consulting Engineering, Inc. (ACEI) is a consulting engineering firm based in Sioux Falls, South Dakota, providing mechanical and electrical systems design since 1987. ACEI offers integrated MEP engineering services for the design of plumbing, fire protection, HVAC, building automation, lighting, power, sound, and communication systems for public and private clients across a broad spectrum of residential, commercial, industrial, and institutional project types. The team is professionally registered in South Dakota, North Dakota, Iowa, Wisconsin, Nebraska, and Minnesota, with additional state licensing available upon request.

WebsitePhone1 officeFounded 1987Updated Jun 2026

Service detail: Mechanical Design

Service: Mechanical DesignService: HVACService: PlumbingIndustry: ResidentialIndustry: Multifamily ResidentialType: MEP+33 more

Buffalo Engineering, P.C.

Buffalo, NY

Designing Today. Building Tomorrow.

WebsitePhone1 office7 projects7 leaders9 credentialsFounded 1990

Project: Richardson Olmsted Complex

Service: Mechanical EngineeringService: HVACService: PlumbingIndustry: HealthcareIndustry: EducationType: MEP+25 more

D.L. Adams Associates

Denver, CO

Sound is Our Business

WebsitePhone3 offices7 projects5 leaders3 credentialsFounded 1979

Project: Waukee Performing Arts Center

Service: Acoustical ConsultingService: Architectural AcousticsService: Performing Arts AcousticsIndustry: Arts & CultureIndustry: CommercialType: Acoustic Consulting+37 more

Engineers Plus, P.C.

Richmond, VA

Engineers Plus, P.C. is a Richmond, Virginia MEP consulting engineering firm founded in 1998. Specializing in mechanical, electrical, and plumbing design, it serves commercial, institutional, healthcare, manufacturing, laboratory, and pharmaceutical clients. Engineers Plus has deep expertise in critical environments, cleanrooms, laboratory systems, and phased renovation projects.

WebsitePhone1 office4 leadersFounded 1998Updated Jun 2026

Service detail: Mechanical Design

Service: Mechanical DesignService: Variable volume air and water distribution systemsService: Laboratory fume hood systemsIndustry: CommercialIndustry: HealthcareType: MEP+32 more

Evans Engineering and Consulting

Post Falls, ID

Progressive and detail-oriented electrical engineering design

WebsitePhone1 office10 projects6 credentialsUpdated Jun 2026

Project: Priest Rapids Turbine and Generator Building

Service: Electrical Engineering DesignService: Power System DesignService: Emergency Power System DesignIndustry: CommercialIndustry: RetailType: Electrical Engineering+30 more

Express Technologies, Inc.

Fredericksburg, VA

Connecting the World Through End-to-End System Integration & Utility Infrastructure

WebsitePhone3 offices13 leaders1 credentialsFounded 2002Updated Jun 2026

Service detail: Utility Consulting

Service: Utility ConsultingService: Telecom And Dry Utility Consulting ServicesService: PermittingIndustry: CommercialIndustry: DefenseType: Telecom / RF Engineering+18 more

Gipe Associates, Inc.

Easton, MD

In the Business of Designing High Performance Building Systems

WebsitePhone2 offices11 projects7 leaders8 credentialsFounded 1977

Project: Easton Elementary School

Service: Mechanical EngineeringService: HVAC System DesignService: Geothermal SystemsIndustry: EducationIndustry: Public SafetyType: MEP+57 more

Hallberg Engineering, Inc.

White Bear Lake, MN

Design excellence that delivers enduring value.

Website2 offices4 leaders6 credentialsFounded 1979Size Estimate: 40+ employeesUpdated Jun 2026

Service detail: Mechanical Engineering and Design

Service: Mechanical Engineering and DesignService: HVAC SystemsService: Boiler and Chilled Water PlantsIndustry: CommercialIndustry: EducationType: Electrical Engineering+28 more

IWA Technical Services Inc.

Dallas, TX

It's more than Push-To-Talk

WebsitePhone1 office1 leaders3 credentialsSize Estimate: 2-5 employeesUpdated Jun 2026

Service detail: RF Engineering & Communications System Design

Service: RF Engineering & Communications System DesignService: NEPA StudiesService: RF Interference Analysis and MitigationIndustry: TelecommunicationsIndustry: Public SafetyType: Telecom / RF Engineering+30 more

J&A Engineering

Atlanta, GA

Innovative audio visual, IT and security design creates value for owners and brings buildings to life for users.

Website1 office8 projects6 leaders9 credentialsSize Estimate: 10-49 employeesUpdated Jun 2026

Project: Mercedes-Benz Stadium

Service: Network & Communications DesignService: Structured Cabling & Fiber Optic SystemsService: Infrastructure Planning & CoordinationIndustry: HealthcareIndustry: Justice & CorrectionsType: Electrical Engineering+27 more

Justice Engineering Corp.

Los Angeles, CA

Communications - Security - Fire Alarm

Website1 office12 projectsFounded 2000Updated Jun 2026

Project: Sacramento County Security Systems Upgrade

Service: Security Systems EngineeringService: PLC-based locking and gate controlsService: Touchscreen security control systemsIndustry: Justice & CorrectionsIndustry: Public SafetyType: Architecture & Engineering+31 more

Kovacs, Whitney & Associates, Inc.

Baltimore, MD

40 Years of Engineering Excellence

WebsitePhone1 office3 projects5 leaders14 credentialsFounded 1984

Project: University of Maryland Medical Center Neonatal Intensive Care Unit

Service: Mechanical EngineeringService: HVAC Systems DesignService: Plumbing and Process PipingIndustry: HealthcareIndustry: Data CentersType: MEP+31 more

Matern Professional Engineering, Inc.

Maitland, FL

Engineering Building Systems That Work For You

Website4 offices4 leaders7 credentialsFounded 1984Updated Jun 2026

Service detail: Mechanical Design

Service: Mechanical DesignService: Heating, Ventilation & Air Conditioning SystemsService: Central Energy PlantsIndustry: AviationIndustry: CommercialType: MEP+20 more

OLM Engineers, LLC

Alpharetta, GA

An Electrical Engineering Company

WebsitePhone1 office4 credentialsSize Estimate: 1-10 employeesUpdated Jun 2026

Service detail: Power Distribution & System Analysis

Service: Power Distribution & System AnalysisService: Interior Power DistributionService: Medium Voltage DesignIndustry: CommercialIndustry: RetailType: Electrical Engineering+29 more

Princeton Engineering Services, PC

Plainsboro, NJ

Professional Mechanical, Electrical, Plumbing, and Fire Protection Engineering

WebsitePhone1 office8 projects1 leaders7 credentialsFounded 2000

Project: Simon Gratz High School

Service: Mechanical & HVAC EngineeringService: HVAC Systems DesignService: Central Chiller & Heating PlantsIndustry: EducationIndustry: HealthcareType: MEP+55 more

Quality Consulting Engineers, PLLC

Indian Land, SC

Electrical, fire alarm, telecommunications, security, and audiovisual engineering

Website1 office7 credentialsFounded 2013Updated Jun 2026

Service detail: Studies & Assessments

Service: Studies & AssessmentsService: Facility Conditions AssessmentsService: Feasibility StudiesIndustry: CommercialIndustry: AviationType: Electrical Engineering+41 more

R&N Systems Design LLC

Memphis, TN

Security systems design for detention, justice, and correctional facilities

WebsitePhone1 office4 leadersUpdated Jun 2026

Service detail: Detention Security Systems Design

Service: Detention Security Systems DesignService: PLC Based Locking Control SystemsService: Touch Screen Graphic Control SystemsIndustry: Justice & CorrectionsIndustry: Public SafetyType: Electrical Engineering+25 more

RAM-TECH Engineers

Control Every Facet

Website3 projects2 leadersUpdated Jun 2026

Project: Frick Park Environmental Center

Service: Mechanical Engineering ServicesService: HVAC & Ventilation SystemsService: Geothermal & Heat Pump SystemsIndustry: HealthcareIndustry: EducationType: MEP+28 more

RWB Consulting Engineers

Dallas, TX

Design Consultants for High-Performing Buildings

WebsitePhone2 offices5 projects6 credentials3 publicationsFounded 1986

Project: Eagle Mountain High School No. 4 - Sky Bridge

Service: Mechanical EngineeringService: HVAC System DesignService: Central Utility Plant DesignIndustry: CommercialIndustry: Data CentersType: MEP+43 more

Scheeser Buckley Mayfield LLC

Uniontown, OH

Simply better.

WebsitePhone2 offices2 projects3 credentials9 publicationsFounded 1959

Project: Aeronautics & Engineering Building Addition

Service: Mechanical EngineeringService: HVAC (Air Conditioning, Heating, Ventilation)Service: Medical Gas Piping and SystemsIndustry: HealthcareIndustry: EducationType: Civil Engineering+83 more