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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15 results

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All County and Associates, Inc.

Gilbertsville, PA

All County and Associates, Inc. (ACA) is a full-service civil engineering, land surveying, and environmental permitting firm established in 1992 and located in Gilbertsville, Pennsylvania. ACA serves clients across fifteen counties in eastern Pennsylvania, covering Berks, Bucks, Carbon, Chester, Delaware, Lackawanna, Lancaster, Lehigh, Luzerne, Montgomery, Monroe, Northampton, Pike, Schuylkill, and southern Wayne counties. The practice serves architects, builders, contractors, developers, homeowners, home inspectors, and real estate agents with a focus on helping clients navigate permitting and regulatory processes.

WebsitePhone1 officeFounded 1992Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Subdivision & Land Development DesignService: Stormwater ManagementIndustry: ResidentialIndustry: CommercialType: Civil Engineering+18 more
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Cedarville Engineering Group, LLC

Pottstown, PA

Plan. Design. Build. Greatness.

WebsitePhone1 office8 projectsFounded 2010Size Estimate: 25-100 employeesUpdated Jun 2026

Project: Industrial Stormwater Compliance

Service: Civil EngineeringService: Capital Improvements Planning and DesignService: Stormwater Management DesignIndustry: FederalIndustry: GovernmentType: Civil Engineering+71 more
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David Laird Associates, Inc.

Erie, PA

David Laird Associates, Inc. is a civil engineering and land surveying practice established in 1960 in Erie, Pennsylvania, serving Northwestern Pennsylvania and Western New York. Founded by David Laird and now led by his son John Laird, P.L.S., the team provides boundary surveys, ALTA surveys, stormwater management, erosion and sediment control, and land development planning to government agencies, private developers, and individual property owners. David Laird Associates maintains an extensive historical archive of engineering records dating back to the 1870s, acquired from predecessor firms including ACME Engineers, McManus Engineering, Lake Engineering, and The Supplee Engineering Company.

WebsitePhone1 office3 leadersFounded 1960Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: ADA DesignService: Commercial DevelopmentIndustry: Land DevelopmentIndustry: CommercialType: Civil Engineering+29 more
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Fox & Associates

Hagerstown, MD

Engineering Surveying and Land Planning

WebsitePhone3 offices5 projects2 leadersFounded 1966Updated Jun 2026

Project: Sycamore Ridge Subdivision

Service: Civil EngineeringService: Residential Subdivision DesignService: Site Civil EngineeringIndustry: ResidentialIndustry: Land DevelopmentType: Civil Engineering+16 more
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Frederick, Seibert & Associates, Inc.

Hagerstown, MD

Excellence in Customer Service

WebsitePhone4 offices3 leadersFounded 1941Updated Jun 2026
Service: Land SurveyingService: Civil EngineeringService: Land PlanningIndustry: CommercialIndustry: ResidentialType: Civil Engineering+7 more
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Gibson-Thomas Engineering Co., Inc.

Latrobe, PA

Providing Quality Engineering Services For Over 100 Years

WebsitePhone8 offices4 projectsFounded 1916Size Estimate: 100-249 employeesUpdated Jun 2026

Project: SR 0160-022 Wellersburg Safety Improvements

Service: Transportation ServicesService: Roadway and Bridge DesignService: Hydrology and HydraulicsIndustry: GovernmentIndustry: TransportationType: Civil Engineering+51 more
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Hanover Land Services, Inc.

Hanover, PA

Client-Centered Engineering and Land Surveying Solutions

WebsitePhone2 offices7 projects3 leaders4 credentialsFounded 2000

Project: Carroll County Public Transportation Facility

Service: Civil EngineeringService: Site Design and Land Development PlansService: Stormwater Management DesignIndustry: GovernmentIndustry: ResidentialType: Civil Engineering+40 more
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Landworks Civil Design, LLC

Camp Hill, PA

Land Development Is What We Do

WebsitePhone2 officesFounded 2022Updated Jun 2026

Service detail: Land Planning

Service: Land PlanningService: Civil EngineeringService: Site LayoutIndustry: CommercialIndustry: IndustrialType: Civil Engineering+16 more
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Mill Brook Engineering, LLC

Dover, DE

Innovative & Responsible Design

WebsitePhone5 offices3 credentialsUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site DesignService: Environmental / Water ResourcesIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+19 more
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Nave Newell

Wayne, PA

Excellence. Engineered.

WebsitePhone2 offices4 projectsSize Estimate: 10-50 employeesUpdated Jun 2026

Project: King of Prussia Mall

Service: Civil EngineeringService: Due DiligenceService: Subdivision DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+70 more
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PennTerra Engineering

State College, PA

Land development experts with a mission to build people, projects, and places

WebsitePhone2 offices1 leadersFounded 1976Updated Jun 2026
Service: Land PlanningService: Land SurveyingService: Site EngineeringIndustry: Multifamily ResidentialIndustry: ResidentialType: Civil Engineering+12 more
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Robert E. Blue Consulting Engineers, P.C.

Blue Bell, PA

From Concept to Completion

WebsitePhone1 officeFounded 1986Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land SurveyingService: Boundary Surveys & RetracementIndustry: ResidentialIndustry: CommercialType: Civil Engineering+17 more
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Tait Engineering Inc.

Pittsburgh, PA

Tait Engineering Inc. is a Pittsburgh, Pennsylvania civil engineering and land surveying practice founded in 1930 and now in its third generation of family ownership. Serving residential and commercial clients across Allegheny, Butler, Washington, and Westmoreland Counties and surrounding areas, the team provides civil engineering design, land planning, and land surveying services for land development projects.

WebsitePhone1 office1 credentialsFounded 1930Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Grading PlansService: Storm PlansIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+20 more
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The Lexis Group, LLC

Harrisburg, PA

The Lexis Group, LLC is a Harrisburg, Pennsylvania civil engineering and professional services practice offering subsurface utility engineering (SUE), civil engineering, site design, land planning, survey and mapping, landscape architecture, and construction inspection and management. Its management team carries over 65 years of combined A/E industry experience serving transportation agencies, state and local governments, commercial and industrial developers, healthcare campuses, and land development clients.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Subsurface Utility Engineering (SUE)

Service: Subsurface Utility Engineering (SUE)Service: Records ResearchService: Utility DesignatingIndustry: TransportationIndustry: GovernmentType: Civil Engineering+36 more
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Williams Site Civil, LLC

Harrisburg, PA

A Better Approach to Civil Engineering

WebsitePhone1 office8 projects2 leadersFounded 2017Updated Jun 2026

Project: US Renal Care

Service: Site Evaluation & SelectionService: Due diligenceService: Zoning analysisIndustry: CommercialIndustry: ResidentialType: Civil Engineering+21 more
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