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.
Filters1
State
City
Services
Industries
Firm types
8,208 results
Showing 1-24 of 8,208
1200 Architectural Engineers PLLC
Alexandria, VAIlluminating Structure and New Uses.
WebsitePhone1 officeUpdated Jun 2026
Service: Structural and Architectural EngineeringService: Historic Preservation EngineeringIndustry: ResidentialType: Structural Engineering+7 more
154 Tech LLC
Santa Barbara, CAAdvanced systems engineering, geospatial intelligence, and end-to-end program lifecycle support
WebsitePhone1 office2 credentials
Service: Technical Program ManagementService: End-to-End Program ManagementIndustry: DefenseType: Defense Engineering+30 more
18 Grados Corp
San Juan, PR18 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
1836 Engineering LLC
Fort Worth, TXFounded in Texas, by Texans.
WebsitePhone2 offices13 projects
Service: Construction Engineering & InspectionService: Contract AdministrationIndustry: Highways & RoadsType: Civil Engineering+32 more
186 Engineering, LLC
Atlanta, GAElectrical Forensic Engineering, Infrared Inspections, and Design
WebsitePhone1 office5 projects
Service: Electrical Forensic EngineeringService: Investigation Of Electrical SystemsIndustry: CommercialType: Electrical Engineering+30 more
1CSDesign
San Diego, CAEngineering Confidence From the Ground Up
WebsitePhone1 office1 leaders
Service: Structural DesignService: Residential and Commercial Building DesignIndustry: ResidentialType: Structural Engineering+15 more
1st Self Consulting, LLC
Loves Park, ILSustainable Transportation Engineering Planning & Design
WebsitePhone1 office1 projects
Service: Civil Engineering ConsultingService: Providing Professional Civil Engineering AdvisoryIndustry: TransportationType: Civil Engineering+27 more
2 Bravo Group LLC
We make sure buildings work
Website6 projectsUpdated Jun 2026
Service: Building CommissioningService: Design and submittal reviewIndustry: FederalType: MEP+20 more
20/10 Engineering Group, LLC
Sustainable Designs | Better Engineering Vision
Website9 projectsUpdated Jun 2026
Service: Mechanical, Electrical, and Plumbing EngineeringService: HVAC and Climate Control SystemsIndustry: EducationType: MEP+28 more
29E6, LLC
Beaufort, SCCollaborative structural engineering for architects and contractors.
WebsitePhone1 office2 projects
Service: Commercial EngineeringService: Residential Structural EngineeringIndustry: CommercialType: Structural Engineering+11 more
2IM Group, LLC
Chicago, IL2IM Group, LLC is a Chicago-based civil, environmental, and transportation engineering practice. Now part of MacKay, it continues to deliver technical solutions across highways, roads, streets, aviation, rail, transit, utilities, and stormwater management systems while offering expanded resources and broader geographic reach.
WebsitePhone1 office5 projects
Service: Highways, Roads, and StreetsService: Roadway geometryIndustry: TransportationType: Civil Engineering+31 more
2LMN, Inc.
Lancaster, OHYour Trusted Engineering Partner
WebsitePhone4 offices10 leaders
Service: Land DevelopmentService: Site Drainage and Grading PlansIndustry: InfrastructureType: Civil Engineering+50 more
2M Associates, LLC
Dallas, TXBest Engineering Solutions to Build Your Dreams
WebsitePhone1 office5 projects
Service: Water and Wastewater DesignService: Hydrologic/hydraulic AnalysisIndustry: Water SupplyType: Civil Engineering+59 more
3 Phase Associates LLC
Chattanooga, TNElectrical Engineering and Consulting Services
Website1 office2 credentialsFounded 2016
Service: Electrical EngineeringService: Power System CalculationsIndustry: UtilitiesType: Electrical Engineering+33 more
3 Rocks Engineering & Surveying
Cañon City, COColorado Civil, Structural, & Land Surveying Experts
WebsitePhone3 offices9 projects
Service: Civil EngineeringService: Residential and Commercial Site DevelopmentIndustry: CommercialType: Civil Engineering+30 more
3-Tier Alaska
Fairbanks, AKCivil & Environmental Engineering, Surveying
WebsitePhone3 officesUpdated Jun 2026
Service: Civil EngineeringService: Septic System Design and TestingIndustry: ResidentialType: Civil Engineering+21 more
303rd Engineering Group, LLC
St. Louis, MOSuccessful Partnerships, Successful Projects
WebsitePhone1 office5 projects
Service: Electrical EngineeringService: Fire Alarm SystemsIndustry: GovernmentType: MEP+20 more
316 Product Development, LLC
Passionate and Creative
Website6 projects6 leadersSize Estimate: 1-9 employees
Service: Mechanical EngineeringService: Advanced Computer Aided Design (CAD)Industry: Medical DevicesType: Mechanical Engineering+36 more
333 Engineering Services PLLC
Porter, TX333 Engineering Services PLLC provides specialized consulting mechanical engineering services to clients primarily in the Houston, Texas region. It delivers finite element analysis and structural assessment solutions to support complex industrial and manufacturing design requirements.
Website1 office1 leaders2 credentials
Service: Mechanical Engineering ConsultingService: Finite Element AnalysisIndustry: ManufacturingType: Mechanical Engineering+4 more
360 Energy Group
Chicago, ILYour Energy Use Simplified
WebsitePhone1 office3 projects
Service: Program Design and ImplementationService: Public Sector ProgramsIndustry: GovernmentType: Power & Utility Engineering+21 more
360 Engineering Group
Tulsa, OK360 Engineering Group is a structural engineering firm with offices in Tulsa and Oklahoma City, Oklahoma, Manhattan, Kansas, and Dallas, Texas, holding professional engineer licenses in 49 states and Washington D.C. Its licensed engineers deliver structural design and analysis, BIM coordination, structural evaluation and rehabilitation, shop drawing preparation, peer reviews, and expert witness services for a broad range of building types and market sectors.
WebsitePhone4 offices4 projects
Service: Structural Design and AnalysisService: Building Information ModelingIndustry: CommercialType: Structural Engineering+17 more
360 Engineering P.C.
Civil, Structural, and Construction Engineering Services
Website1 leadersFounded 2020Size Estimate: 1-9 employees
Service: Structural EngineeringService: Structural Evaluations of Existing BuildingsIndustry: CommercialType: Civil Engineering+25 more
360 Engineering, Inc.
Golden, COEngineering & Consulting for the Built Environment
WebsitePhone1 office12 projects
Service: Mechanical & Plumbing EngineeringService: HVAC DesignIndustry: EducationType: Mechanical Engineering+17 more