120 Degreez
Los Angeles, CARedefining Technical Excellence
Website1 officeUpdated Jun 2026
Service: Mechanical EngineeringService: Electrical EngineeringIndustry: CommercialType: MEP+9 more
Public engineering firm directory
Find engineering consulting firms by capability and location.
Search engineering firm profiles built for buyers who need a shortlist, not a sales pitch.
Filters2
State
City
Services
Industries
Firm types
257 results
Showing 1-24 of 257
3Vi, Inc.
San Ramon, CAEngineering Excellence for a Sustainable Future
WebsitePhone3 offices1 leaders
Service: Systems Engineering & IntegrationService: SCADA and Control SystemsIndustry: TransitType: Electrical Engineering+20 more
A & S Engineers, Inc.
San Francisco, CAFull-service Mechanical, Electrical, Plumbing Engineering and Commissioning Firm
Website1 office6 leadersUpdated Jun 2026
Service: Mechanical EngineeringService: HVAC & Hydronic SystemsIndustry: Multifamily ResidentialType: MEP+20 more
A. G. Consulting Engineering, PC
New York, NYA. G. Consulting Engineering, PC is an established MEP and construction management consulting practice. It offers mechanical, electrical, plumbing, fire protection, fire engineering, LEED consulting, special inspection, and construction management services for infrastructure, institutional, and public works projects.
WebsitePhone5 offices8 projects
Service: MEP EngineeringService: Mechanical and HVAC Systems DesignIndustry: TransitType: MEP+19 more
A.T.E. Solutions, Inc.
El Segundo, CAWhen All Systems Must be Ready to Go
WebsitePhone2 offices1 projects
Service: Test Engineering ConsultingService: Automated Test Equipment SelectionIndustry: ElectronicsType: Electrical Engineering+25 more
A2e Technologies
San Diego, CAElectronic Design Built for Critical Programs
WebsitePhone1 office9 projects
Service: Electronics Design ServicesService: Hardware DesignIndustry: DefenseType: Electrical Engineering+26 more
A3 Engineering
Los Angeles, CAWelcome to a whole new level of MEP commitment to your projects.
WebsitePhone1 office14 projects
Service: Mechanical EngineeringService: Tailored HVAC system designIndustry: CommercialType: MEP+25 more
ACC & Engineering
Anaheim, CAPlans Design | Calculation Reports | Prime G.C.
Website1 office6 projects6 credentials
Service: Engineering Plans DesignService: Architectural Plans DesignIndustry: EducationType: Civil Engineering+32 more
ADV-SOC, Inc.
San Diego, CAMission-Driven.
WebsitePhone1 office9 projects
Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsIndustry: FederalType: Architecture & Engineering+41 more
AEPC Group, LLC
Santa Clarita, CAWe build confidence
WebsitePhone1 office1 projects
Service: ArchitectureService: Schematic and Conceptual Design DevelopmentIndustry: AerospaceType: Architecture & Engineering+42 more
AESUS Design Group, LLC
Tempe, AZIntegrated Architecture & Engineering
WebsitePhone3 offices12 projects
Service: ArchitectureService: Architectural Concept DesignIndustry: HealthcareType: Architecture & Engineering+50 more
AEi Systems, Inc.
Centennial, COAnalytical HEAVY Lifting
WebsitePhone2 offices9 publications
Service: Worst-Case Circuit Analysis (WCCA)Service: Pre-WCCA design review and assessmentIndustry: ElectronicsType: Electrical Engineering+40 more
AFuzion Inc.
Carlsbad, CAWhen Safety Is Critical.
WebsitePhone1 office1 projects
Service: Safety-Critical EngineeringService: Aviation Systems EngineeringIndustry: AviationType: Aerospace Engineering+33 more
AKH Structural Engineers, Inc.
San Jose, CAAKH Structural Engineers, Inc. is a structural engineering firm founded in San Jose in 1970, providing structural design, plan check, and analysis services for institutional, commercial, municipal, educational, hospital, and residential clients throughout the greater San Francisco Bay Area. AKH has completed more than 5,500 projects since its founding, including new construction, building evaluations, seismic rehabilitation, and historic preservation work for municipalities, school districts, hospitals, and private clients.
WebsitePhone1 office7 projects
Service: Structural DesignService: Educational facilitiesIndustry: EducationType: Structural Engineering+25 more
APE Structural Engineering
San Diego, CACalifornia's trusted partner for safe, efficient, and beautiful structures
WebsitePhone3 officesUpdated Jun 2026
Service: Structural EngineeringService: Structural ConsultationIndustry: ResidentialType: Structural Engineering+20 more
ASG Solutions Corporation
San Diego, CAASG 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
ATC Design Group
Escondido, CACalifornia's Only One Stop Shop
WebsitePhone1 officeFounded 1993
Service: Planning and PermittingService: EntitlementsIndustry: CommercialType: Architecture & Engineering+39 more
Advance Design Consultants Inc
San Jose, CAExperience. Passion. Excellence.
WebsitePhone1 office7 projects
Service: Architecture & PlanningService: Architectural DesignIndustry: CommercialType: Architecture & Engineering+40 more
Advanced Research and Technology Corporation
Oxnard, CAInnovations for a Better Tomorrow
WebsitePhone1 office3 projects
Service: Radar and Electronic Warfare SystemsService: Radar Cross Section Measurement and AnalysisIndustry: DefenseType: Defense Engineering+33 more
Alan Noelle Engineering, Inc.
Santa Barbara, CALighting up the California Central Coast since 2000
Website2 offices3 projects1 credentials
Service: Electrical Engineering PlansService: Lighting DesignIndustry: HealthcareType: Electrical Engineering+7 more
Alico Systems, Inc.
San Diego, CAAlico Systems is an innovative product development practice that designs solutions for consumer, industrial, government, and military markets. Its expertise spans mobile wireless computing platforms for image, voice, video, and data communications, alongside phased array beam steered antennas, RF transceivers, microprocessor and FPGA electronics, and wireless sensor networks for remote monitoring and control. Key systems include mobile satellite communications terminals, VoIP PBX systems, broadband wireless networks, and motion sensor platforms.
WebsitePhone1 office1 projects
Service: Systems EngineeringService: Communications and Network EngineeringIndustry: DefenseType: Electrical Engineering+28 more
Alpha Omega Engineers
Corona, CAAlpha Omega Engineers is a licensed structural engineering firm based in Corona, California, serving residential and commercial clients throughout Southern California. With over three decades of experience, Alpha Omega delivers structural inspections, lateral load calculations, and structural plans for homeowners, contractors, and developers in Corona, Riverside, Anaheim, Norwalk, and Buena Park.
WebsitePhone1 office1 leaders
Service: Structural InspectionsService: Foundation InspectionIndustry: ResidentialType: Structural Engineering+17 more
Alter Engineers
Oakland, CAFostering healthy, comfortable, and energy-conscious spaces for the Oakland and Bay Area community.
WebsitePhone1 office4 projects
Service: Mechanical, Plumbing, and Fire Protection EngineeringService: Mechanical and Plumbing Engineer of RecordIndustry: EducationType: Mechanical Engineering+25 more
Anacapa Engineering and Design, Inc.
Bakersfield, CATransform Your Vision with Our Professional Engineering Team.
WebsitePhone1 office2 projects
Service: Mechanical EngineeringService: System Design From Prototyping To ProductionIndustry: IndustrialType: Civil Engineering+38 more