Public engineering firm directory

Find engineering consulting firms by capability and location.

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2LMN, Inc.

Lancaster, OH

Your Trusted Engineering Partner

WebsitePhone4 offices10 leaders4 credentialsFounded 1979Updated Jun 2026

Service detail: Land Development

Service: Land DevelopmentService: Site Drainage and Grading PlansService: Stormwater Pollution Prevention PlansIndustry: InfrastructureIndustry: GovernmentType: Civil Engineering+48 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 projects2 leadersUpdated Jun 2026

Project: Vineyards Plat 6

Service: Civil EngineeringService: Land Development for Residential, Commercial and Industrial UsesService: Road and Pavement DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+41 more

AAB Engineering

Sand Springs, OK

AAB Engineering is a civil engineering and land surveying firm based in Sand Springs, Oklahoma, serving residential and commercial site development clients. Founded in 2011 by Alan Betchan, P.E., CFM, it focuses on helping clients develop their vision into a financially viable project. Alan brings more than 17 years of experience working with municipalities and developers on projects ranging from multimillion-dollar street rehabilitation to small business site designs and programmatic clients spanning four states.

WebsitePhone1 office1 leadersFounded 2011Updated Jun 2026

Service detail: Residential Site Design

Service: Residential Site DesignService: Commercial Site DesignService: Land SurveyingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+7 more

AES Consulting Engineers

Glen Allen, VA

Consulting Engineers

WebsitePhone4 offices1 projects9 leadersFounded 1980Size Estimate: 50-100 employees

Project: Colonial Heritage

Service: Civil EngineeringService: Site Plan DesignService: Subdivision DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+37 more

AGPROfessionals

Greeley, CO

Professional problem-solvers achieving clients' goals and advocating their success

WebsitePhone2 offices4 projects12 leaders3 credentialsFounded 2000

Project: Boer Dairy Expansion

Service: Agricultural EngineeringService: Site SelectionService: Dairy Facility DesignIndustry: AgricultureIndustry: IndustrialType: Civil Engineering+55 more

AR Engineering

Kalamazoo, MI

Civil engineering and surveying

WebsitePhone1 officeUpdated Jun 2026

Service detail: Site Development Engineering

Service: Site Development EngineeringService: Commercial Site DesignService: Residential Site DesignIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+28 more

ASA Engineering & Consulting, Inc.

Chattanooga, TN

From concept to close-out.

WebsitePhone1 office9 projects2 leadersFounded 2013Updated Jun 2026

Project: 1400 Chestnut Street Apartments

Service: Civil Engineering & Site DesignService: Site Layout, Grading & DrainageService: Roadway and Intersection DesignIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+45 more

Abbie Jones Consulting

Lexington, KY

Planning Solutions for Complex Sites

WebsitePhone3 offices3 leadersFounded 2011Size Estimate: 11 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: Topographic SurveysIndustry: CommercialIndustry: IndustrialType: Civil Engineering+16 more

Abonmarche Consultants, Inc.

Many Disciplines One Team

Website2 projects10 credentials2 publicationsFounded 1979Size Estimate: 200-250 employeesUpdated Jun 2026

Project: Haven Hollow Park Improvements

Service: Civil EngineeringService: Stormwater ManagementService: Utility EngineeringIndustry: GovernmentIndustry: InfrastructureType: Architecture & Engineering+57 more

Above Grade Engineering

Above Grade Engineering provides civil engineering, electrical engineering, lighting design, and land surveying for commercial, residential, land development, educational, and government projects. Its services span site grading and drainage design, utility infrastructure, SWPPP documentation, public agency coordination, and a full range of surveying services including ALTA surveys, subdivision mapping, and construction staking. An in-house electrical engineering and lighting design division serves clients across the same project portfolio.

WebsiteUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Grading DesignService: Street Improvement PlansIndustry: CommercialIndustry: ResidentialType: Civil Engineering+43 more

Accurate Angles Surveying and Consulting

Grand Forks, ND

Accurate Angles Surveying and Consulting is a land surveying firm based in Grand Forks, North Dakota, with 25 years of experience. A Licensed Professional Land Surveyor in Minnesota, North Dakota, and South Dakota, it specializes in Northwest Minnesota and Northeastern North Dakota, providing ALTA surveys, elevation certificates, construction surveying, boundary surveys, drainage and ditch surveys, and property surveys for subdivision lots, farmsteads, and section breakdowns.

WebsitePhone1 office1 credentialsUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: ALTA SurveysService: Elevation CertificatesIndustry: Land DevelopmentIndustry: AgricultureType: Land Surveying+10 more

Adobe Associates, Inc.

Santa Rosa, CA

Recognized as one of the top Civil Engineering and Land Surveying firms in the North Bay, Adobe Associates, Inc. provides Civil Engineering, Land Surveying, Land Planning, and Wastewater and Septic Design services for the development of private and public projects. Since 1982, Adobe Associates has helped thousands of clients maximize the value of their projects by finding potential opportunities others often miss, creating practical, accurate design solutions, and guiding projects through the regulatory process. Adobe Associates is a family business built on honesty, integrity, and dependability, with project experience spanning residential development, commercial, affordable housing, hospitality, agricultural, and public infrastructure work across Northern California.

WebsitePhone1 office7 projects4 credentialsFounded 1982Updated Jun 2026

Project: Drake's Cove Subdivision

Service: Civil EngineeringService: Feasibility StudiesService: Site Grading and Drainage DesignIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+37 more

Advanced Design Engineering and Surveying

Rapid City, SD

Laying the Foundation for Tomorrow

WebsitePhone1 office3 projects10 leadersFounded 1998Size Estimate: 10-20 employees

Project: VA Community-Based Outpatient Clinic

Service: Civil EngineeringService: Urban street improvement plansService: Utility infrastructure planningIndustry: GovernmentIndustry: CommercialType: Civil Engineering+32 more

Afridi Associates

Afridi Associates provides professional consulting engineering services specializing in transportation infrastructure, public buildings, and geotechnical engineering. It delivers solutions for highways, bridges, rail systems, airport terminals, and waterfront structures across the northeastern United States.

Website10 projectsUpdated Jun 2026

Project: JFK Terminal One Reconstruction

Service: Building and Airport TerminalsService: Provides Engineering DesignService: Peer ReviewIndustry: GovernmentIndustry: FederalType: Civil Engineering+54 more

Allen Consulting Engineers

Mesa, AZ

Allen Consulting Engineers is a civil engineering and land surveying firm founded in 1984, headquartered in Mesa, Arizona with an additional office in Prescott, Arizona. It provides comprehensive civil engineering and land surveying services to residential, commercial, and industrial clients from concept through construction. The practice employs registered civil engineers, land surveyors, and AutoCAD operators and uses state-of-the-art surveying electronics and CAD software.

WebsitePhone2 offices5 leadersFounded 1984Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential SubdivisionsService: Single Residential Custom HomesIndustry: ResidentialIndustry: CommercialType: Civil Engineering+22 more

Allied Engineering Services Inc

Bozeman, MT

Diverse Projects. Solutions That Last.

WebsitePhone1 office14 projects1 credentialsFounded 1996Updated Jun 2026

Project: Bozeman Public Safety Center

Service: Civil EngineeringService: SubdivisionsService: Water and Wastewater Systems DesignIndustry: CommercialIndustry: ResidentialType: Civil Engineering+59 more

Alpha Associates, Inc.

Morgantown, WV

Architectural and Engineering Excellence for Over 55 Years

WebsitePhone2 offices3 projects4 leadersFounded 1969Updated Jun 2026

Project: North Elementary School Connector

Service: ArchitectureService: Sustainable Building DesignService: Commercial and Government FacilitiesIndustry: EducationIndustry: CommercialType: Architecture & Engineering+21 more

Alpha Land Surveying & Mapping

Omaha, NE

Alpha Land Surveying & Mapping (ALSM) was founded in January 1996 by Fred M. Franklin, PLS, in Oakland, Nebraska, and has grown into a regional land surveying practice serving Nebraska and Florida. ALSM provides boundary, ALTA/ACSM, topographic, elevation certificate, and FEMA/LOMA/GIS surveys, along with construction staking and aerial drone services. A technology-forward practice, ALSM offers aerial drone photogrammetry and LiDAR scanning for power-line corridors, railway corridors, cell towers, and general corridor mapping, producing 3D point clouds, 2D and 3D orthomosaic maps, and BIM-ready spatial data. The firm operates from offices in Omaha, Oakland, South Sioux City, Norfolk, and Blair, Nebraska, and Tampa, Florida.

WebsitePhone6 offices1 leadersFounded 1996Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: ALTA/ACSM SurveysService: Boundary SurveysIndustry: Land DevelopmentIndustry: Multifamily ResidentialType: Land Surveying+17 more

Alpine Engineering, Inc.

Novi, MI

Attention to Detail and Commitment to Quality in Civil Engineering and Land Surveying

WebsitePhone2 officesFounded 2002Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: ALTA SurveysIndustry: ResidentialIndustry: Multifamily ResidentialType: Civil Engineering+31 more

Alpine Enterprises Inc.

Ketchum, ID

Alpine Enterprises Inc. is a land surveying, GIS, natural hazards consulting, and civil engineering firm based in Ketchum, Idaho, serving Blaine County and surrounding south-central Idaho counties. The practice provides professional surveying for residential and commercial clients, offers GIS services for government agencies and public utilities, and conducts natural hazards consulting for snow avalanche, flood, and wildfire risk.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: Topographic MappingIndustry: ResidentialIndustry: GovernmentType: Land Surveying+16 more

Ambiotec Civil Engineering Group, Inc.

Brownsville, TX

Civil engineering & environmental group

WebsitePhone2 offices7 projects6 leadersFounded 1986Size Estimate: 11-50 employees

Project: Robindale WWTP Rehabilitation and Expansion

Service: Land DevelopmentService: Feasibility studies & site assessmentsService: Master planning and concept plansIndustry: Land DevelopmentIndustry: GovernmentType: Civil Engineering+46 more

American Engineering, Inc.

Exeter, RI

Land Surveying & Engineering With a Focus on Quality

WebsitePhone1 office2 credentialsFounded 1989Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary SurveysService: Topographic MappingIndustry: ResidentialIndustry: CommercialType: Civil Engineering+16 more

American Land Surveying

San Francisco, CA

American Land Surveying is a family-owned, full-service land surveying firm serving the San Francisco Bay Area, including San Francisco, Marin, Alameda, Contra Costa, Sonoma, and San Mateo counties. Licensed professional land surveyors and skilled technicians provide topographic surveys, boundary surveys, ALTA/ACSM surveys, construction staking, subdivision mapping, and elevation certificates for residential, commercial, and municipal clients.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Residential and Commercial Surveying

Service: Residential and Commercial SurveyingService: Topographic SurveysService: Construction StakingIndustry: ResidentialIndustry: CommercialType: Land Surveying+16 more

Anderson Psomas

Saratoga Springs, UT

Anderson Psomas is a multi-discipline engineering firm based in Saratoga Springs, Utah, providing civil, structural, environmental, mining, industrial, and energy infrastructure engineering alongside land surveying services. With over 35 years of experience and more than 5,000 completed projects, it navigates complex regulatory requirements and permitting to move clients from concept to construction. Anderson Psomas is licensed in Utah, Idaho, Colorado, Wyoming, New Mexico, Nevada, and Texas.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Residential Subdivisions and Custom HomesService: Septic System DesignIndustry: ResidentialIndustry: MiningType: Civil Engineering+21 more