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
2,607 results
Showing 1-24 of 2,607
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
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
29E6, LLC
Beaufort, SCCollaborative structural engineering for architects and contractors.
WebsitePhone1 office2 projects
Service: Commercial EngineeringService: Residential Structural EngineeringIndustry: CommercialType: Structural Engineering+11 more
2P Consultants, LLC
Round Rock, TXWe're Preparing Plans for Central Texas' Growth
WebsitePhone1 office1 leaders
Service: Site AssessmentService: Quick Site Assessment (1-page)Industry: CommercialType: Civil Engineering+20 more
2RW Consultants, Inc.
Charlottesville, VAEnergy by Design
WebsitePhone3 offices10 projects
Service: MEP/FP Engineering DesignService: Mechanical EngineeringIndustry: EducationType: MEP+39 more
3 Consulting Engineers, LLC
Denver, CO3 Consulting Engineers is an MEP consulting engineering firm based in Denver, Colorado, focused on commercial projects ranging from multifamily to healthcare. Celebrating over 10 years in business, the firm delivers HVAC, plumbing, and lighting designs on time and on budget. Licensed in Colorado and 34 other states, 3 Consulting Engineers serves restaurants, offices, grocery stores, hotels, retail, multifamily buildings, and surgery centers.
WebsitePhone1 office3 leaders
Service: HVAC and Plumbing SystemsService: Building automation systems (BAS) and controlsIndustry: CommercialType: MEP+19 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
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, Inc.
Golden, COEngineering & Consulting for the Built Environment
WebsitePhone1 office12 projects
Service: Mechanical & Plumbing EngineeringService: HVAC DesignIndustry: EducationType: Mechanical Engineering+17 more
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
3mg P S C
Designing Spaces. Engineering Solutions. Delivering Excellence
Website14 projects18 leadersUpdated Jun 2026
Service: ArchitectureService: Master PlansIndustry: CommercialType: Architecture & Engineering+50 more
4D Tech Solutions, LLC
Fairmont, WVMission-Driven Design and Development
WebsitePhone1 office5 projects
Service: Technology DevelopmentService: MEMS-Mirror LiDAR SystemsIndustry: DefenseType: Aerospace Engineering+21 more
4site Advisors Inc
We get it: Your vision. Your values. Results.
Website9 projectsUpdated Jun 2026
Service: Owner's RepresentationService: Communication ManagementIndustry: CommercialType: Owner's Engineer+28 more
5D Architecture & Engineering, PLLC
Lynbrook, NYFull-Service Architecture & Engineering Design
WebsitePhone1 office9 projects
Service: Architectural DesignService: Programming and Master PlanningIndustry: ResidentialType: Architecture & Engineering+24 more
A & M Engineering and Environmental Services, Inc.
Tulsa, OKProviding Quality Services for Over 30 Years
WebsitePhone4 offices5 projects
Service: Construction & Remediation ServicesService: Landfill ConstructionIndustry: Environmental & RemediationType: Environmental Engineering+74 more
A Beazley Architecture LLC
Broussard, LAA Kingdom-Minded Architecture, Interior & Product Design Firm
WebsitePhone1 office6 projects
Service: Architectural DesignService: Church & Worship ArchitectureIndustry: ReligiousType: Architecture & Engineering+47 more
A Civil Group, LLC
Columbia, MOCivil Engineering, Land Planning and Surveying Services for Developers in Columbia, Boone County, and Mid-Missouri
WebsitePhone1 office7 projects
Service: Civil EngineeringService: Land Development for Residential, Commercial and Industrial UsesIndustry: Land DevelopmentType: Civil Engineering+43 more
A Squared Plus Engineering Support Group, LLC
Finksburg, MDA Squared Plus Engineering Support Group, LLC (A2+ESG) is an engineering practice that specializes in mechanical, electrical, plumbing, and information transportation system design. It delivers planning, engineering support, system analysis, and inspections for commercial, residential, industrial, and institutional facilities, including specialized experience in public safety and correctional environments.
WebsitePhone1 office11 projects
Service: MEP DesignService: Sustainable DesignIndustry: ResidentialType: MEP+27 more
A&A Consultants Inc
McKees Rocks, PASpecializing in geotechnical, structural, and civil engineering excellence
WebsitePhone3 offices7 projects
Service: Bridge Design and InspectionsService: Bridge DesignIndustry: TransportationType: Civil Engineering+24 more
A&E Engineering and Surveying
Pocatello, IDSee it. Solve it. Stand by it.
WebsitePhone1 office2 leaders
Service: Civil EngineeringService: Land Development and Site DesignIndustry: Land DevelopmentType: Civil Engineering+30 more
A&F Engineering
Indianapolis, INDistinguished Transportation & Site Engineering
WebsitePhone1 office1 leaders
Service: Traffic EngineeringService: Traffic Impact StudiesIndustry: TransportationType: Transportation Engineering+17 more
A&R Engineering
Marietta, GAA&R Engineering is a civil engineering firm specializing in traffic and transportation engineering, headquartered in Marietta, Georgia. A&R has served clients across Georgia, South Carolina, and Alabama for over 20 years, guiding projects from due diligence through construction completion. The team works with developers, architects, attorneys, and public agencies on retail, residential, industrial, mixed-use, educational, and medical developments, delivering traffic impact studies, intersection and signal design, permitting support, construction oversight, and expert witness services.
WebsitePhone1 officeUpdated Jun 2026
Service: Traffic StudiesService: Traffic Impact StudiesIndustry: TransportationType: Civil Engineering+24 more
A-Line Corrosion Services LLC
Indianola, IACathodic Protection / Corrosion Specialist
WebsitePhone1 office7 projects
Service: Cathodic Protection EngineeringService: Cathodic Protection SurveysIndustry: Oil & GasType: Materials Engineering+12 more