Ground Penetrating Radar

D. O'Brien Land Surveying has provided land surveying services throughout Massachusetts since 1996, bringing over three decades of field experience. The fully licensed and insured company serves residential, commercial, and municipal properties, producing accurate, legally defensible documentation. Most projects are completed within 2-6 weeks, with free estimates provided within 24 hours.

boundary determinationconstruction layoutelevation certificationGPS and digital mappingland surveyingproperty line stakingsubdivision planningtopographic surveying

Dominion NDT Services, Inc. is an independently owned Non-Destructive Testing company originating out of Richmond, VA, founded in 2006 and a registered SWaM and SAM business. Its team has over 75 years of practical and technical industry experience in the Nuclear, Non-Nuclear, Military, and Private Sectors, providing NDT techniques in a safe, timely, and cost effective manner.

AWS certified welding inspectionbend testinghardness testingliquid penetrant testingMagnetic Particle TestingPositive Material IdentificationRadiographic/X-Ray TestingUltrasonic TestingVacuum Box Testingvisual testing

Earth Dynamics LLC is a full service geophysical consulting firm that has provided professional services to government and industry since 1984. Prior to 1996 the firm operated under the name of its founder, Dr. Michael Feves; from 1996 to 2015 it operated as Earth Dynamics, and in 2015 Dr. Michael Feves and Mr. Daniel Lauer formed a partnership under the name Earth Dynamics LLC. Projects have ranged from urban seismic refraction surveys to underwater geophysical surveys in Lake Superior.

2D electrical resistivity profilingdown-hole methodelectromagnetic induction surveysgravity surveysmagnetometer surveysmarine geophysical explorationMASW methodReMi methodSeismic refraction surveysshear wave velocity testingvibration analysisVLF surveysWenner 4-pin resistivity testing

EarthOptics is a soil data measurement and mapping company. Its technologies create accurate, high-resolution data maps covering compaction, carbon, moisture, nutrients and more. It combines advanced field sensors and lab analysis to measure physical, chemical, and biological soil properties, delivering comprehensive insights with fewer samples and lower cost than conventional testing. It serves farmers, ranchers, agronomists, carbon project developers, and corporate sustainability programs.

carbon quantificationfield sensorslab analysismachine learning data platformpredictive analyticssensor integrationsoil measurement and mapping

Earth Science Systems LLC (ESS) provides advanced systems for inspection and maintenance of infrastructure, including concrete structures, asphalt paving, road construction, subsurface utility location and visualization, and HDD navigation. Since 2006 ESS has been dedicated to solving challenging problems in infrastructure construction, inspection, and maintenance, and also provides specialized engineering services.

3D imaging and analysisasphalt density and quality controlEngineering Servicesseismic surveysstructural analysissubsurface navigationSubsurface utility engineering

Echem Consultants is a woman-owned consulting firm in material science and durability with over 15 years in business. It helps architects, engineers, and structure owners manage infrastructure through its Life 52™ approach, providing long-term durability planning, predictive service life models, and repair decision support for critical infrastructure and historic landmarks.

acoustic, ultrasonic, and thermal methodscathodic protection designchemical testingcorrosion monitoringcrack monitoringdeflection monitoringdigital image correlationforensic investigationhalf-cell potential testingnon-destructive evaluation

ECLS Global, Inc. is a Service Disabled Veteran Owned Small Business (SDVOSB) established in 2015 that provides engineering consulting and land surveying services. The firm operates offices in North Carolina and South Carolina and serves clients locally, nationally, and internationally. Its staff includes professional land surveyors, professional engineers, database developers, GIS specialists, SUE analysts, project managers, CAD techs, and survey field crews.

CADcivil engineeringdrone/UAS aerial surveyingGIShydrographic surveyingland surveyingSubsurface utility engineeringutility locating

Ecotech Hydro Excavation, LLC is a hydro, air excavation, utility locating, and environmental services company serving the Mid-Atlantic region, including Pennsylvania, Maryland, Delaware, New Jersey, Virginia, and West Virginia. The company provides vacuum excavation, environmental services, industrial services, utility locating, and 24/7 emergency response, and emphasizes safety and environmental stewardship.

24/7 emergency responseair excavationCCTV inspectionconcrete scanningcore drillinghydro excavationpipe jetting and cleaningremote excavatingslot trenchingtank cleaningtest pitstrenchingutility locatingvacuum excavationwaste transportation and disposal

Holmes Geospatial, formerly Ed Holmes & Associates Land Surveyors, PA, specializes in capturing, analyzing, and interpreting spatial data to map and measure the Earth's surface. Founded in 2005 in Western North Carolina, the firm changed its name to Holmes Geospatial in 2025. It provides professional land surveying and geospatial services from offices in Asheville, Cashiers, Charlotte, Hickory, NC, and Fort Mill and Greenville, SC, serving North Carolina, South Carolina, Tennessee, and beyond.

3D laser scanningbathymetric surveyingconstruction surveyingfiber optic push camera pipe inspectiongeomaticsGIS mappingland surveyingSLAMUAS/drone lidar and photogrammetryutility locatingwetland delineation

Frontier Geospatial, LLC is a Geographic Information Systems company established in 2013 and located in Evansville, Indiana. It provides GIS, database, and UAV services to public and private sector customers, with staff experience ranging from single maps to enterprise-wide GIS solutions.

3D Modelingaerial photographydatabase creation and analysisGIS data creation and editinglaser scanningsoftware engineeringtopographic analysisUAV flightsvolumetric calculations

Fulgham's Inc. is an Urban Forestry Consulting firm that employs arborists, urban foresters and registered foresters. Established in 1988 in Tupelo, MS, the company has expanded throughout the southeastern US and in 2021 worked on urban forestry projects in ten states. Its mission is to 'Save our urban forest one tree at a time.'

air excavation of soilGIS mappinghyperspectral imagingLiDARplant health caresoil injectionspray and fog treatmentstree inventoriestree risk assessmenttrunk injectionUAV remote sensing

GSSI (Geophysical Survey Systems, Inc.) provides ground penetrating radar (GPR) and electromagnetic induction equipment covering a wide range of GPR survey applications, including concrete inspection, utility locating, transportation, environmental, geology and geophysics, archaeology and forensics, and search and rescue. The company also offers training through the GSSI Academy.

concrete scanningelectromagnetic inductionnon-destructive testingpavement analysistrainingutility locating

GeoSearches Inc is a full-service geophysical company established in 2000, with 45 years of field experience behind it. It runs non-intrusive, non-destructive geophysical surveys nationwide and worldwide, having acquired data on four continents. Staffed offices are in Cleveland, Ohio and Knoxville, Tennessee. The company selects methods based on the question, target depth and ground conditions, and combines methods when a single dataset would be ambiguous.

3D laser scanningBorehole Loggingconcrete imagingelectrical resistivity tomographyElectromagneticsinfrared thermographyLiDARmagneticsMASWmicrogravityReMiscan to BIMseismic reflectionseismic refractionseismic site classificationsoil thermal resistivity testingSUETDEMutility locating

GeoTek Alaska, Inc. is a subsurface investigation company founded in Anchorage in 2002, serving the geotechnical, environmental, and construction communities across Alaska. It provides environmental drilling, geotechnical services, direct sensing, geophysical surveys, and injection services, and is considered a leader in direct-push technology throughout Alaska.

direct push technologydown hole hammerelectromagnetic surveysinjection servicesmonitoring well installationrock coringrotary drilling (air or mud)seismic cone penetrometer testingseismic surveyssoil samplingStandard Penetration Testing

GeoTek Hawaii, Inc. is a group of innovative geoscientists, engineers, and skilled technicians who perform subsurface analysis using more efficient, less expensive, accurate, and minimal disturbance data acquisition methods.

auger drillingelectromagnetic surveyinggeotechnical/SPTgroundwater samplinginjection and bioremediationin situ detectionmagneticsmonitoring wellsseismic refractionsoil gas and soil vapor samplingsoil samplingsubsurface analysisutility locate/clearance

Hardy Enterprises is an Alaskan Native and Service Disabled Veteran-owned small business providing general contracting services statewide from North Pole, Alaska, serving since 2002. It is a State of Alaska Licensed General Contractor with Electrical Endorsement (AK License: 29132) and maintains an impeccable safety record. The company is owned by Russ Hardy, a 3rd Generation Alaskan Native Veteran.

airport lighting and securityconstruction surveyingearthworkelectrical contractingenvironmental clean-uperosion and sediment controlgeneral contractinghighway dataremote mobilization by barge, plane, helicopter, or trucksign installationsite workSWPPP developmenttraffic controlunderground sewer/water line installationvegetative control plans

HLCM Group, Inc. is a Puerto Rico-based company founded in 2006 specializing in Geospatial and Agricultural Technology solutions. It integrates hardware, corrections, and software to turn field data into reliable office decisions for professionals in surveying, engineering, agriculture, and infrastructure. An Authorized Trimble Dealer since 1992, it operates its own Trimble VRS Network of 8 CORS stations across Puerto Rico and serves Puerto Rico and 25+ Caribbean territories.

3D laser scanningcertified repair and maintenancedrone mapping/photogrammetryfield-to-office workflow integrationGNSS surveyinghydrographic/bathymetric surveysLiDAR mappingprecision agricultureRTK/PPK/static GPStraining (EN/ES)VRS network operation

Insight is a utility locating and inspection company serving the Washington DC metro area (District, Maryland, and Virginia). Started in 2004, it provides subsurface utility locating, recording, and marking services, along with pipe and structure cleaning and video pipe inspections, using an exclusive real-time reporting system with photographic documentation.

CCTV pipe inspectionconcrete scanninghigh pressure water jettinghydro excavationlaser measuringlateral launchpipe cleaningtest holestrenchless point repairutility designatingutility locatingvacuum excavation

Integrity Testlabs, LLC is a privately held non-destructive testing and inspection company founded in 2002 by Mr. Stacey Spike. It provides NDT services including visual, radiographic, ultrasonic, penetrant, and magnetic particle inspection, plus advanced NDT and mechanical integrity program services, serving industries such as petrochemical, power generation, industrial fabrication, shipyards, and construction.

Alternating Current Field Measurement (ACFM)Computed Radiography (CR)Digital Radiography (DR)Film Digitization and Archivalhardness testingMagnetic Particle Inspection (MT)Mechanical Integrity ProgramsPenetrant Inspection (PT/LPI)Phased Array Ultrasonic (PAUT)Radiographic Inspection (RT)thermographyUltrasonic Inspection (UT)Visual Testing (VT)

IQS Inspection provides non-destructive testing (NDT) and inspection services with over 35-40 years of industry experience. The company offers consulting, ASNT Level III services, and inspection programs tailored to client requirements, serving industries including petrochemical, pulp and paper, food processing, bridges and buildings, pressure vessels, process piping, and water treatment.

Automated Ultrasonic TestingconsultingDrone InspectionMagnetic Particle TestingPenetrant TestingPhased Array Ultrasonic TestingPositive Material IdentificationRadiographic Testingspecial inspectionsUltrasonic TestingVisual Inspectionwelding inspection

Javier E. Bidot & Associates (JEBA) is a full-service land and hydrographic surveying company with over 25 years of experience. Licensed in Florida, Puerto Rico, New York, and the US Virgin Islands, it serves federal government, engineering, real estate, dredging, utilities, and pharma clients with a bilingual staff and corporate offices in Caguas, Puerto Rico and Boca Raton, Florida.

3D scanningbathymetryBIM modelingGNSS surveyshydrographic surveyingland surveyingLiDAR surveysmobile LiDARoptical surveyssubsurface utility detectionUAV surveys

Jones Associates, Inc. (JAI) is based in Auburn, Maine and provides environmental land use consulting, land surveying, forestry, and drone services. The firm works with commercial and individual landowners as well as federal, state, and municipal government sectors on project planning, permitting, and compliance, with over 30 years of experience and over 20 years of environmental restoration work.

3D modeling and point cloudsdesign-buildearthmoving with low ground pressure equipmentenvironmental restorationerosion controlforest managementGPS and GIS mappingindustrial inspectionsland surveyingloggingpermitting and project managementstockpile volume calculationUAS drone surveying and mappingwetlands delineation

JoynerKeeny, PLLC was founded in 1985 by Nils W. Joyner and Timothy L. Keeny as a small business company of Professional Land Surveyors. The firm provides land planning, surveying, civil engineering, subsurface utility exploration, environmental and stormwater management services to developers, contractors, utility companies, roadway and railway companies, municipalities and Federal and State agencies throughout the southeast. It has a staff of 34 employees and is licensed as Professional Land Surveyors in North Carolina, Virginia, Georgia, Florida, Kent

Aerial imaging and photogrammetrycivil engineeringconstruction stakingenvironmental permittingGIS mappingland planningland surveyingStormwater facility designSubsurface utility locatingVacuum excavation/potholing