Marathon is pleased to announce that the firm is now providing professional land surveying services to our existing and future clients. “We have provided these services in the past utilizing our business partners and outside consultants. However, to enhance service to our clients, and further develop and expand our service capabilities, we felt achievement of in-house land surveying services was necessary” Rick Ricciardi, P.P., A.I.C.P., President of Marathon said. “As we celebrate our 25th Anniversary, Marathon is now a truly a full-service engineering, environmental and land surveying services company that can provide a vast array of solutions for our clients.”

Marathon’s land survey group is equipped with state of the art GPS instruments and robotic total stations with electronic data collectors and controllers. Marathon has an office support staff that utilizes current AutoCad Civil 3D software to prepare and provide our clients with valuable high-quality land surveying results.

The Land Surveying team will be led by Dennis DiBlasio who has over 40 years of years of professional land surveying experience involving management experience and expertise within the industry. Dennis is a Licensed Land Surveyor in New Jersey, Pennsylvania, Delaware and Maryland. Dennis oversees the land survey operations including proposal preparation, contract coordination, oversight of field and office procedures, delivery schedules, and quality control. He manages the project budgets, scheduling, setup and research, calculations, field work and CADD drafting. Dennis has performed and been responsible for various types of land surveying projects including state highway surveys, railroad surveys, residential developments, large tract outbound surveys, ALTA Surveys, wetland surveys, aerial photo control, topographic surveys, route surveys and bathymetric surveys. He has performed and managed construction layout for highways, utilities, infrastructure, dams, railroads, residential subdivisions and commercial sites.

Dennis has extensive experience with GPS Surveys, Geodetic Surveys, Aerial Photo Control, Utility Designating/Locating, and 3D High Definition Surveying (HDS) Laser Scanning. Dennis’ extensive experience of construction layout has advanced to providing quality control of engineering projects for his clients. He has performed numerous as-builts of new utility installations, earthwork volume calculations, right of way surveys for streets, railroads and utility companies.  He has performed surveys for boundary disputes and has assisted his clients in court proceedings. He has acted as an expert witness for his clients in boundary disputes and has worked with a prominent expert dealing with land title issues.


The Marathon Land Survey Team provides land surveying services in New Jersey, Pennsylvania and Delaware. Marathon can perform various types of land surveying depending on the scope and requirements of the project. Some services currently being provided consists of land surveying for property conveyance, surveying for planning and land development design, site development and construction layout, wetlands survey, utility extensions, roadway surveys and elevation certificates. Projects include both private and public clients for several residential and commercial developers, schools and institutions, and county and municipal agencies.

The staff of the Marathon Land Survey Team is experienced in all phases and types of land surveying projects including:

  • ALTA/NSPS Land Title Surveys
  • Farmland Preservation Surveys
  • GPS Surveys
  • Geodetic Control Surveys
  • 3DHD Laser Scanning
  • Drainage Surveys
  • Right-of-way Mapping
  • Outbound & Property Surveys
  • Roadway & Route Surveys
  • Topography & Cross Section
  • Soundings & Bathometry Surveys
  • Wetland Surveys
  • Utility Location Surveys
  • Monitoring Well Locations
  • Green Acres Surveys
  • Right of Way Surveys
  • Stream Surveys
  • As-Built Surveys
  • GIS Data Acquisition
  • Construction Layout
  • Aerial Mapping

Marathon’s clients comprise a wide assortment of private clients and government agencies throughout New Jersey, Pennsylvania and Delaware. Some of our clients are as follows:

  • Ocean City Housing Authority, Ocean City, NJ
  • City of Ventnor, NJ
  • Mullica Township, NJ
  • Resorts Casino Hotel, Atlantic City, NJ
  • Tropicana Casino, Atlantic City, NJ
  • Republic Bank, Somers Point, NJ
  • Republic Bank, Marlton, NJ
  • Silvi Concrete, Logan Township, NJ
  • Silvi Concrete, Fairless Hills, PA
  • DCO Energy LLC, Atlantic City, NJ
  • Banneton Bakery, Inc, Logan Township, NJ
  • Boraie Development, LLC, Atlantic City, NJ
  • River Lane Property Management, LLC, West Deptford, NJ
  • Rowan University, Glassboro, NJ
  • Infinity LTL Engineered Compounds, Logan Township, NJ
  • Silver Run Electric, LLC, Lower Alloways Creek Township, NJ
  • Needleman Management Company, Voorhees, NJ
  • Crossroads Associates of Winslow, LLC, Winslow, NJ
  • Stockton University, Galloway, NJ
  • Soil Investigations
  • Land Partners of NJ, LLC, Upper Deerfield Township, NJ
  • Black Horse ALR Urban Renewal, LLC, Egg Harbor Township, NJ
  • White Horse ALR Urban Renewal, LLC, Hammonton, NJ
  • Whitesell Construction Co., Inc., Burlington Township, NJ
  • Atlantic County Institute of Technology, Mays Landing, NJ
  • SOSH Architects, Atlantic City, NJ

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