Public engineering firm directory

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ACT ONE & Associates

Harrisburg, PA

ACT ONE & Associates is a consulting engineering and land surveying firm established in 2012 and based in Harrisburg, Pennsylvania. Licensed in Pennsylvania as Professional Engineers, Professional Land Surveyors, and a Sewage Enforcement Officer, the firm serves builders, contractors, developers, individual property owners, institutions, and municipalities with a broad range of civil, environmental, and structural engineering services.

WebsitePhone1 officeFounded 2012Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Boundary surveyService: FEMA flood elevation certificateIndustry: GovernmentIndustry: CommercialType: Civil Engineering+14 more

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

Benchmark Civil Engineering Services, Inc.

Allentown, PA

Benchmark Civil Engineering Services provides civil engineering, traffic and transportation, land development, land surveying, municipal review, and expert witness services in the Lehigh Valley and Eastern Pennsylvania region. Founded in 1994 and headquartered in Allentown, Pennsylvania, Benchmark serves commercial builders, municipalities, and landowners across Pennsylvania, New York, New Jersey, and the Philadelphia area. The firm employs state-of-the-art robotics and electronic surveying equipment alongside current CAD software to deliver engineering and surveying solutions.

WebsitePhone1 officeFounded 1994Updated Jun 2026

Service detail: Traffic & Transportation

Service: Traffic & TransportationService: Construction EngineeringService: Land DevelopmentIndustry: TransportationIndustry: Land DevelopmentType: Civil Engineering+7 more

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

First Capital Engineering, Inc.

York, PA

Engineering & Land Management Services

WebsitePhone1 office9 projects1 leaders3 credentialsFounded 1995

Project: Springettsbury Township Fire House

Service: Civil EngineeringService: Land DevelopmentService: Site & Master PlanningIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+58 more

Fisher Associates, P.E., L.S., L.A., D.P.C.

Rochester, NY

Fisher Creates Infrastructure That Inspires

Website9 offices5 projects5 leadersUpdated Jun 2026

Project: Hopkins Avenue Over Chadakoin Bridge Replacement

Service: Infrastructure + MobilityService: Energy + EnvironmentService: Wind EnergyIndustry: TransportationIndustry: BridgesType: Civil Engineering+28 more

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

G.D. Houtman & Son, Inc.

Media, PA

G.D. Houtman & Son, Inc. is a Media, Pennsylvania civil engineering and land surveying company serving southeastern Pennsylvania since 1945. The family-owned practice supports site engineering, land surveying, municipal engineering, subdivision plans, commercial land development, residential subdivisions, drainage studies, stormwater management design, sanitary sewer collection and conveyance systems, erosion and sediment control, PennDOT highway occupancy permit plans, retaining-wall design, water line extension plans, NPDES permits, land disturbance permits, bid packages, and construction stakeout.

WebsitePhone1 office2 projectsFounded 1945Updated Jun 2026

Project: French Creek Golf Course

Service: Civil Engineering and Site DevelopmentService: Residential subdivisionsService: Commercial land developmentIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+32 more

Gilmore & Associates, Inc.

New Britain, PA

Building on a Foundation of Excellence

WebsitePhone5 offices2 projects7 leadersFounded 1918Size Estimate: 200+ employees

Project: Friendship Park Design

Service: Community PlanningService: Master PlanningService: Zoning RegulationsIndustry: GovernmentIndustry: TransportationType: Civil Engineering+52 more

H. Gilroy Damon Associates, Inc.

Sharon Hill, PA

Providing Professional Services Since 1894

WebsitePhone1 office1 projects1 leaders4 credentialsFounded 1894

Project: Dover Air Force Base Engineering

Service: Civil EngineeringService: Land SurveyingIndustry: GovernmentIndustry: WastewaterType: Civil Engineering+4 more

HB Engineering, Inc.

Harrisburg, PA

Transportation • Surveying • Civil

WebsitePhone2 offices6 projects2 leadersFounded 2009Updated Jun 2026

Project: Lebanon Valley Rail Trail, Phase II

Service: Land SurveyingService: Topographic SurveysService: Right-of-Way PlansIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+37 more

K2 Engineering Inc.

Uniontown, PA

K2 Engineering Inc. is a full-service civil and building engineering firm serving Pennsylvania and West Virginia municipalities and private clients for over 20 years. With offices in Uniontown, PA and Morgantown, WV, K2 Engineering provides civil engineering, building design, inspection services, grant writing, land surveying, land development, utility design, drone aerial services, and pre-engineered metal building design and construction.

WebsitePhone2 offices1 credentialsSize Estimate: 25 employeesUpdated Jun 2026

Service detail: Municipal Services

Service: Municipal ServicesService: Civil Engineering for MunicipalitiesService: Building Design ServicesIndustry: GovernmentIndustry: Land DevelopmentType: Civil Engineering+20 more

MMAKAL Inc.

Mechanicsburg, PA

Mechanicsburg, Pennsylvania full-service civil engineering and land development firm serving the greater Harrisburg area with over 30 years of experience. MMAKAL Inc. provides land surveying, civil engineering, land development and planning, traffic engineering, subdivision design, environmental engineering, pool and retaining wall design, and new home construction services to homeowners, developers, and commercial clients.

WebsitePhone1 officeSize Estimate: 1-9 employeesUpdated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Civil EngineeringService: Traffic engineeringIndustry: ResidentialIndustry: CommercialType: Civil Engineering+12 more

Mackin Engineering

Pittsburgh, PA

Civil engineering, transportation, land development, and facilities consulting

WebsitePhone4 offices6 projectsFounded 1960Updated Jun 2026

Project: Leechburg Bridge Inspection

Service: Transportation EngineeringService: Structural InspectionService: Structural Engineering DesignIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+22 more

McLaren Engineering Group

New York City, NY

applied ingenuity

Website2 offices9 projects11 leadersFounded 1977Size Estimate: 201-500 employeesUpdated Jun 2026

Project: 164 Kent Waterfront Towers

Service: Structural EngineeringService: New Construction Engineering + DesignService: Additions, Alterations, Renovations + RepairsIndustry: TransportationIndustry: MarineType: Civil Engineering+69 more

McMillen Engineering, Inc.

Uniontown, PA

Civil Engineering & Land Surveying in Uniontown, PA

WebsitePhone1 office1 credentialsFounded 1977Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site Design and DevelopmentService: Stormwater ManagementIndustry: GovernmentIndustry: ResidentialType: Civil Engineering+41 more

Meck-Tech, Inc.

Selinsgrove, PA

Central PA's Trusted Engineering Experts

WebsitePhone1 office1 projectsFounded 1971Updated Jun 2026

Project: Sunbury Wetlands Ecological Education Park (S.W.E.E.P.)

Service: Land DevelopmentService: Stormwater ManagementService: Drainage DesignIndustry: ResidentialIndustry: CommercialType: Civil Engineering+17 more

Padula Engineering

West Chester, PA

The details matter.

WebsitePhone1 office1 leadersUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Site development and layoutService: Stormwater management design and permittingIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+19 more

Reilly Associates

Pittston, PA

Engineering | Environmental | Surveying

WebsitePhone2 offices6 leadersFounded 1930Updated Jun 2026

Service detail: Transportation Engineering

Service: Transportation EngineeringService: Roadway and highway designService: Bridge design, inspection, and rehabilitationIndustry: TransportationIndustry: Highways & RoadsType: Civil Engineering+48 more

Rodriguez Consulting, LLC

Philadelphia, PA

Innovative Designs & Creative Applications of Technology

Website1 officeFounded 2008Updated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Land DevelopmentService: RedevelopmentIndustry: InfrastructureIndustry: Land DevelopmentType: Civil Engineering+14 more

Sanford Surveying & Engineering, P.C.

Erie, PA

Sanford Surveying & Engineering, P.C. is a professional corporation founded in 2007 and based in Erie, Pennsylvania. Its team specializes in land development for residential, commercial, and institutional projects, with consulting services in land surveying, land planning, and civil engineering primarily in Erie County. State-of-the-art equipment and computer-aided design support drawings ranging from simple lot survey plats to complex land development projects.

WebsitePhone1 office1 leadersFounded 2007Updated Jun 2026

Service detail: Land Surveying

Service: Land SurveyingService: Mortgage SurveysService: Foundation SurveysIndustry: ResidentialIndustry: CommercialType: Civil Engineering+31 more

Schock Group LLC

Conshohocken, PA

Providing Land Development Expertise from Concept to Construction.

WebsitePhone1 officeUpdated Jun 2026

Service detail: Civil Engineering & Site Design

Service: Civil Engineering & Site DesignService: Site Development PlanningService: Stormwater Management SystemsIndustry: Land DevelopmentIndustry: ResidentialType: Civil Engineering+27 more

Stiffler McGraw

Hollidaysburg, PA

The Approach You Want. The Experience You Need.

WebsitePhone5 offices2 leadersFounded 1989Size Estimate: 70+ employeesUpdated Jun 2026

Service detail: Civil Engineering

Service: Civil EngineeringService: Water and Wastewater EngineeringService: Transportation EngineeringIndustry: Water SupplyIndustry: WastewaterType: Civil Engineering+31 more

The Thrasher Group, Inc.

Beckley, WV

Creating Stronger Communities

Website7 offices11 leadersFounded 1983Updated Jun 2026

Service detail: Architecture

Service: ArchitectureService: EngineeringService: Civil and Site EngineeringIndustry: CommercialIndustry: EducationType: Architecture & Engineering+27 more