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

1836 Engineering LLC

Fort Worth, TX

Founded in Texas, by Texans.

WebsitePhone2 offices13 projects
Service: Construction Engineering & InspectionService: Contract AdministrationIndustry: Highways & RoadsType: Civil Engineering+32 more

2IM Group, LLC

Chicago, IL

2IM 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

2M Associates, LLC

Dallas, TX

Best Engineering Solutions to Build Your Dreams

WebsitePhone1 office5 projects
Service: Water and Wastewater DesignService: Hydrologic/hydraulic AnalysisIndustry: Water SupplyType: Civil Engineering+59 more

3Bears Technical Services

Hixson, TN

Experts in Nuclear Operations and Waste Management Solutions

WebsitePhone1 office2 credentials
Service: Engineering and Project ManagementService: Mechanical EngineeringIndustry: NuclearType: Environmental Engineering+33 more

3D Design & Engineering

Houston, TX

Innovation, Integrity & Quality - All of your A&E, Surveying and Utility Locating needs under one roof.

WebsitePhone1 office4 projects
Service: A&E ServicesService: Site Feasibility StudiesIndustry: Oil & GasType: Architecture & Engineering+32 more

3J Consulting, Inc.

Your Partner in Civil Engineering & Community Planning

Website8 projects6 leaders6 credentials
Service: Civil EngineeringService: Grading & DrainageIndustry: Land DevelopmentType: Civil Engineering+41 more

3T Design & Development LLC

Kansas City, MO

Air. Land. Water.

WebsitePhone1 office1 leaders
Service: Air Quality and Environmental ComplianceService: Air Quality Permitting SupportIndustry: TransportationType: Civil Engineering+27 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

5D Architecture & Engineering, PLLC

Lynbrook, NY

Full-Service Architecture & Engineering Design

WebsitePhone1 office9 projects
Service: Architectural DesignService: Programming and Master PlanningIndustry: ResidentialType: Architecture & Engineering+24 more

83 Ordinal Group

Pine Bluff, AR

Innovative Agritech & Engineering Solutions

WebsitePhone1 officeSize Estimate: 1-10 employees
Service: Agritech and Renewable Energy EngineeringService: Agrivoltaics and Clean Energy IntegrationIndustry: Renewable EnergyType: Owner's Engineer+24 more

A&A Consultants Inc

McKees Rocks, PA

Specializing in geotechnical, structural, and civil engineering excellence

WebsitePhone3 offices7 projects
Service: Bridge Design and InspectionsService: Bridge DesignIndustry: TransportationType: Civil Engineering+24 more

A-Tech Consulting, Inc.

Orange, CA

Creating A Safer Tomorrow, Today

WebsitePhone4 offices7 leaders
Service: Industrial HygieneService: Asbestos Survey and ConsultingIndustry: Environmental & RemediationType: Environmental Engineering+23 more

A-Tech/Northwest, Inc.

Get an unbiased answer! Our only business is Roof Consulting

Website10 credentialsFounded 1976Updated Jun 2026
Service: Roof ConsultingService: Visual Roof InspectionsIndustry: GovernmentType: Materials Testing+16 more

A. Morton Thomas and Associates, Inc.

Rockville, MD

Celebrating 70 Years of Engineering and Design

WebsitePhone1 office4 projects
Service: Site and Civil EngineeringService: Site DevelopmentIndustry: TransportationType: Civil Engineering+45 more

A. N. Watt Consulting Engineers, LLC

Orange Park, FL

Expertise You Can Trust

WebsitePhone1 office1 leaders
Service: Mechanical, Plumbing & Fire Protection EngineeringService: HVAC system designIndustry: DefenseType: Fire Protection Engineering+28 more

A.E. Hodsdon Consulting Engineers

Waterville, ME

Leaders in professional engineering for over 40 years

WebsitePhone1 office1 projects
Service: EngineeringService: Water Systems DesignIndustry: GovernmentType: Civil Engineering+33 more

A.L. Franks Engineering, Inc.

Texarkana, AR

Providing Professional Engineering Services

WebsitePhone2 offices6 leaders
Service: Water and Wastewater EngineeringService: Water distribution system design and modelingIndustry: GovernmentType: Civil Engineering+24 more

A.M. Engineering

Elko, NV

Civil Engineering, Surveying, and Project Management Services in Nevada

WebsitePhone2 offices1 projects
Service: Civil EngineeringService: Streets and Highway DesignIndustry: GovernmentType: Civil Engineering+47 more

A1 Consulting Group, Inc.

Raleigh-Durham, NC

Leaders in Design, Construction, and Environmental Services

WebsitePhone1 office8 projects
Service: Engineering and Design ServicesService: Geotechnical and Geological EngineeringIndustry: AirportsType: Civil Engineering+43 more

A2e Technologies

San Diego, CA

Electronic Design Built for Critical Programs

WebsitePhone1 office9 projects
Service: Electronics Design ServicesService: Hardware DesignIndustry: DefenseType: Electrical Engineering+26 more

ABD Tech Solutions, LLC

Achieving military interoperability

Website2 leaders1 credentialsUpdated Jun 2026
Service: Foreign Military Sales SupportService: Pre-Letter of Request SupportIndustry: DefenseType: Defense Engineering+26 more

ACM Engineering & Environmental Services, Inc.

South Bend, IN

ACM Engineering & Environmental Services, Inc. is a national environmental and engineering services firm founded in 1988. AIHA LAP EMLAP and NVLAP-accredited laboratories in South Bend, IN and Tampa, FL support asbestos and mold sample analysis with same-day turnaround options. Field offices in Fort Wayne, IN and Fort Lauderdale, FL extend regional coverage across Indiana and Florida. ACM serves homeowners and businesses with asbestos inspection and testing, mold and lead services, indoor air quality assessments, radon testing, Phase I environmental site assessments, expert witness services, and professional engineering and environmental consulting.

Website4 offices5 credentialsFounded 1988
Service: Asbestos ServicesService: Asbestos surveys and inspections by licensed inspectorsIndustry: ResidentialType: Environmental Engineering+44 more

ACP Group

Caguas, PR

The right design and construction partner in Puerto Rico

WebsitePhone1 office12 projects
Service: Project and Construction ManagementService: Construction Project ManagementIndustry: GovernmentType: Architecture & Engineering+19 more

ACSYeS Inc

Aberdeen Proving Ground, MD

Scientific and engineering consulting services for aerospace, defense, and commercial applications.

WebsitePhone2 officesUpdated Jun 2026
Service: Systems EngineeringService: Architecture DevelopmentIndustry: AerospaceType: Defense Engineering+25 more