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.

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18 Grados Corp

San Juan, PR

18 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

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

2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders
Service: Land DevelopmentService: Site Drainage and Grading PlansIndustry: InfrastructureType: Civil Engineering+50 more

3 Rocks Engineering & Surveying

Cañon City, CO

Colorado Civil, Structural, & Land Surveying Experts

WebsitePhone3 offices9 projects
Service: Civil EngineeringService: Residential and Commercial Site DevelopmentIndustry: CommercialType: Civil Engineering+30 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

4D Site Solutions Inc.

Fayetteville, NC

On time, every time.

WebsitePhone1 officeFounded 2002
Service: Civil EngineeringService: Erosion Control DesignIndustry: GovernmentType: Civil Engineering+14 more

50 States Engineering Corp.

Hackensack, NJ

Benefit from an innovative and diverse range of surveying and engineering experience.

WebsitePhone1 office7 projects
Service: Land SurveyingService: Construction layout and stakeoutIndustry: TransitType: Civil Engineering+30 more

5020 Engineering Resource Group, Incorporated

Civil, Water Resources, and Environmental Engineering Services

Website4 leaders1 credentialsFounded 2022
Service: Water and Wastewater EngineeringService: Water and Wastewater Conveyance SystemsIndustry: Water ResourcesType: Civil Engineering+21 more

66 ENG GROUP

Sapulpa, OK

Empowering people and their projects to thrive.

WebsitePhone2 offices5 leaders
Service: Civil Engineering DesignService: Practical Civil Engineering Solutions Covering Grading And DrainageIndustry: Land DevelopmentType: Civil Engineering+33 more

7 Oaks Engineering

Silverton, OR

Harmonizing the built environment with the natural.

WebsitePhone2 offices4 leaders
Service: Land DevelopmentService: Due Diligence and Feasibility StudiesIndustry: CommercialType: Civil Engineering+26 more

A & M Engineering and Environmental Services, Inc.

Tulsa, OK

Providing Quality Services for Over 30 Years

WebsitePhone4 offices5 projects
Service: Construction & Remediation ServicesService: Landfill ConstructionIndustry: Environmental & RemediationType: Environmental Engineering+74 more

A Civil Group, LLC

Columbia, MO

Civil 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&R Engineering

Marietta, GA

A&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.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

A2Z Engineering, PLLC

Kalispell, MT

Civil and Structural Engineers Montana

WebsitePhone1 office2 projects
Service: PowerService: Substation DesignIndustry: Electric UtilitiesType: Civil Engineering+21 more

AB Consultants, Inc.

Lanham, MD

Multidisciplinary engineering and support services in the Baltimore-Washington area

WebsitePhone2 offices1 projects
Service: Land PlanningService: Zoning StudiesIndustry: GovernmentType: Civil Engineering+84 more

ABAM Engineers Inc.

Houston, TX

Driving Innovation and Digitization in Engineering

WebsitePhone2 officesUpdated Jun 2026
Service: Civil and Infrastructure EngineeringService: Site Analysis and DesignIndustry: CommercialType: Civil Engineering+40 more

ABD Engineers & Surveyors, LLP

Schenectady, NY

ABD Engineers & Surveyors, LLP is a civil engineering and land surveying firm founded in 1987 and headquartered in Schenectady, New York. Serving clients throughout Upstate New York and the Capital Region, it has built its reputation on residential, commercial, and municipal projects including subdivisions, site developments, senior housing, hotels, schools, correctional facilities, and commercial parks. ABD's partners bring deep expertise in the New York State permitting process, working with NYSDEC, NYSDOT, USACE, FEMA, and local municipal boards.

WebsitePhone1 office2 leaders
Service: Civil EngineeringService: Site Design & DevelopmentIndustry: ResidentialType: Civil Engineering+19 more

ABQ Engineering, Inc.

Albuquerque, NM

Cost-effective, one-stop engineering, surveying, and planning services

WebsitePhone1 office5 projects
Service: Civil EngineeringService: Drainage and Hydrology AnalysisIndustry: CommercialType: Civil Engineering+40 more

ACG LLC Consulting Engineers

Fairfax, VA

ACG LLC Consulting Engineers is a civil engineering firm based in Fairfax, Virginia, with over 80 years of combined staff experience in civil engineering and land development. The team specializes in civil engineering, land planning, surveying, and structural services for residential and commercial projects in the Washington Metropolitan Area, with direct involvement in every stage of a project from design through completion.

WebsitePhone1 office3 leaders
Service: Civil EngineeringService: SurveyingIndustry: CommercialType: Civil Engineering+6 more

ADV-SOC, Inc.

San Diego, CA

Mission-Driven.

WebsitePhone1 office9 projects
Service: Environmental ServicesService: Phase I and Phase II Environmental Site AssessmentsIndustry: FederalType: Architecture & Engineering+41 more

AED Energy Services

Wyomissing, PA

Designing America's Energy Lifelines

WebsitePhone4 offices9 leaders
Service: Chemical and Process DesignService: Documentation and AnalysisIndustry: Oil & GasType: Chemical Engineering+66 more

AEPC Group, LLC

Santa Clarita, CA

We build confidence

WebsitePhone1 office1 projects
Service: ArchitectureService: Schematic and Conceptual Design DevelopmentIndustry: AerospaceType: Architecture & Engineering+42 more

AES Consulting Engineers

Glen Allen, VA

Consulting Engineers

WebsitePhone4 offices1 projects
Service: Civil EngineeringService: Site Plan DesignIndustry: ResidentialType: Civil Engineering+39 more