Ground penetrating radar (GPR)

Infratek, LLC is a SWaM certified and veteran-owned small business based in Mechanicsville, Virginia, providing affordable infrastructure and construction management services as well as aerial imaging and engineering solutions. Its staff of utility technicians, pilots, engineering and office professionals collectively provide nearly 100 years of utility, aviation, professional engineering and aerospace experience.

Aerial imagingcamera servicesconcrete scanningConstruction Managementengineeringinfrared video flyovernon-destructive vacuum excavatingpermittingsite safety monitoring including OSHA complianceUtility Designatingutility locating

Accumark provides subsurface utility services to municipal, institutional and private clients, with over 20 years of experience. Services include subsurface utility designation and mapping, subsurface utility locating via vacuum excavation test holes, ground penetrating radar (GPR), and pipe inspection. The company serves civil engineers, surveyors, local municipalities, state and federal agencies, private utility companies, contractors, and land developers.

AutoCAD and MicroStation mappingCCTV pipe inspectionSubsurface utility designation & mappingsubsurface utility locatingTotal station surveyVacuum excavation test holes

Advanced Geoscience, Inc. is an international geoscience field services and consulting firm based in Los Angeles, California and Reno, Nevada USA, established in 1997. The firm is staffed by geophysicists, geologists, and hydrogeologists who perform subsurface geophysical and geological investigations, groundwater, mineral, and oil and gas exploration, near-surface geophysical surveys for geotechnical studies and underground construction, and non-destructive evaluation of earth structures such as dams, levees, tunnels, harbor bulkheads, and concrete pile

borehole seismic velocity (downhole, crosshole, tomography)concrete-scanning radardigital signal processingElectrical Resistivity Imagingelectromagnetic induction and ground conductivity surveysgravity and micro-gravity surveysimpact echoimpulse response techniquesinduced polarization surveysmagnetometer surveysmulti-channel analysis of surface waves (MASW)non-destructive evaluationseismic reflection surveysseismic refractionsonic pulse echosurface waveswaveform analysis

Advanced Infrastructure Design, Inc. (AID) is a research-driven consulting engineering firm established in 1998, headquartered in Hamilton, New Jersey, with a second office in Philadelphia, Pennsylvania. Staffed by licensed Professional Engineers, scientists, researchers, and technicians, AID assists government agencies, engineering firms, and contractors in evaluating and designing new and existing infrastructure. It is a certified WBE/DBE/SBE firm led by President Mojgan Mohtashami, PhD, MBA.

3D lasercompressive strength testingcoringhalf-cell potential testingHWD-FWDimpact echoLCMS & LDTMlife cycle cost analysisLWDnon-destructive testingpetrographic examinationsurface resistivity testing

ALTA is a cultural resource management firm made up of archaeologists, historic preservationists, and architectural historians. With over two decades of experience, the team provides archaeological survey, excavation, testing, data recovery, historic preservation planning, construction monitoring, Native American outreach, and CEQA, NEPA, and Section 106 compliance services throughout California.

archaeological excavationArchitectural History Evaluationconstruction monitoringdata recoveryForensic ArchaeologygeoarchaeologyGIS data collectionhistoric preservation planningHuman Osteologytesting

Ambient Technologies, Inc. (ATI) is an employee-owned, minority-certified Florida corporation founded in 1993 that provides environmental, geotechnical and geophysical field services across the United States, Caribbean, and Central/South America. Headquartered in St. Petersburg, Florida, ATI is the holding company of subsidiaries ATI Companies LLC, ATI Geologica LLC, ATI GeoView Govt Serv, Inc., and ATI Panamericana S.A.

borehole loggingconcrete coringcone penetration testing (CPT)electromagnetic surveysenvironmental drillinggeophysical surveyinggeotechnical drillinggroundwater samplingin-situ testingmonitoring well installationrock coringseismic and resistivity methodssoil samplingsolar power systemsutility locating and mapping

American Geophysics Inc. (AGInc.) is a geophysical survey and investigation services firm providing Environmental & Engineering Geophysics services to the environmental consulting, construction, and engineering communities. The company is fully licensed, OSHA certified, and has over 20 years of industry experience, serving industrial, commercial, and residential clients in NJ, NY, PA, CT, and DE.

borehole loggingconcrete scanningelectromagnetic profilingimpact echo testingpile integrity testingtank sweepsthermal infrared imagingutility locatingvideo pipe inspection

Arias & Associates, Inc. is a Geotechnical Engineering and Construction Materials Testing firm in Texas, founded by Robert P. Arias, P.E. in 1996. The firm provides geotechnical engineering and construction materials testing services to public and private sector clients across Texas, with offices in San Antonio, Austin, and Arlington. It is designated as a Minority Business Enterprise (MBE) and Small Business Enterprise (SBE).

Certified Welding Inspections (CWI)Construction materials testingFalling Weight Deflectometer (FWD)foundation analysisgeotechnical engineeringGround improvement and soil modificationlaboratory testingNon-destructive testing of weldspavement evaluation

Atlantic Coast Locators is a full-service utility locating service provider and damage prevention company that uses electromagnetic induction and ground-penetrating radar (GPR) to locate buried assets including fiber communications, high voltage electricity, high-pressure gas mains, water, and sewer pipes. The company serves land surveyors, engineers, contractors, and the general public across North America.

electromagnetic induction locatingsubsurface utility locatingunderground utility mapping

Black Hydrovac provides hydrovac and vacuum excavation services across Virginia, Maryland, West Virginia, and Washington D.C., specializing in mission-critical construction and protecting against utility strikes. The company locates, exposes, and documents underground utilities using non-destructive methods. Founded in 2020, it is woman-owned and VDOT prequalified.

air excavationdaylightingdebris removalhydro excavationremote excavationstormwater managementutility locatingvacuum excavation

Blood Hound specializes in locating and marking hard-to-find private and public underground utilities and structures not covered by states' One Call (811) systems. The company provides advanced infrastructure solutions nationwide, using technologies such as ground penetrating radar and electromagnetic locating to protect infrastructure, keep crews safe, and prevent costly damages and project delays.

concrete scanningdrone utility mappingElectromagnetic (EM) locatinggeospatial mappingleak detectionplanning & designprivate utility locatingrobotic camera inspectionvacuum excavation

Burton NDT Rentals is a professional equipment rental and sales company specializing in industrial inspection solutions, operated as Burton NDT LLC since 2020 by founder Mark Burton. Based in La Porte, Texas, with additional hubs in Groves, TX and Marietta, GA, it serves oil & gas, pipelines, chemical, refining, manufacturing, aviation, pulp & paper, power generation, pharmaceutical, and mining clients across the U.S. with NDT, RVI, PMI, X-Ray, and environmental monitoring equipment.

calibrationeddy current testingequipment rentalequipment saleshardness testingindustrial X-ray radiographyinfrared imagingnon-destructive testing (NDT)phased-array ultrasonicsPositive Material Identification (PMI)remote visual inspection (RVI)repairultrasonic flaw detectionX-ray Fluorescence (XRF)

Cable Pipe & Leak Detection (CPL) has provided leak detection and underground utility locating services since 1976 to residential, business, and governmental clients. Based in Southern California with locations in El Cajon and Corona, CPL offers 24/7 responsiveness and uses state-of-the-art equipment and highly skilled professionals.

cable fault locatingcathodic protection testingconcrete scanninggas leak detectiongas surveyhelium leak detectionlateral locatingleak detectionsewer and storm drain inspectionutility locatingvideo inspection

Calburton is a service disabled veteran owned business (DVBE/SDVOSB) providing utility damage prevention and construction services to asset owners and operators across California. The company emphasizes precision, innovation, and safety, and holds the Gold Shovel Standard Certification. Its team has over 30 years of combined experience and is headquartered in Fresno, CA.

concrete scanningelectromagnetic locatingOSHA/safety trainingpermitting and encroachment servicestraffic control flaggingutility locating

Capital Region GPR is a ground penetrating radar (GPR) company based in Albany, NY, providing private utility locating for residential, commercial and government clients. It is a NYS Certified WBE, City of Albany WBE and Monroe County NY WBE, and an IBEW Local 236 Signatory Member. Services include GPR and electromagnetic private utility locating, proving or disproving buried fuel/oil tanks and USTs, septic system leach field/lateral line locating, real estate surveys, archaeology and cemetery surveys.

ArcGIS mappingAutoCAD and GPS mappingElectromagnetic (EM) locatingGoogle Earth mappingprivate utility locating

CDH Utility Solutions LLC (CDHUS) is a professional engineering services, survey and utility mapping company based in Atlanta, GA. It provides subsurface utility engineering (SUE) to ASCE 38-22 standards, land surveying, LiDAR, utility coordination, GPR, utility designating, photogrammetry, and daylighting/test holes/utility locating. Its leadership team has over 95 years of combined engineering, survey and utility experience, and its SUE technicians are NULCA certified.

daylightingland surveyingLiDAR mappingphotogrammetrysubsurface utility engineering (SUE)Test Holesutility coordinationUtility Designatingutility locating

Collier Geophysics, LLC is a service-disabled, veteran-owned small business founded in 2018 that offers surface, borehole, airborne, and marine geophysical solutions throughout the U.S. and around the globe. Headquartered in Stephenville, TX, it provides geophysical services for groundwater, engineering and geotechnical, environmental, energy, tunneling, archaeological and forensic, mine site engineering, mineral exploration, concrete inspection, geological studies, marine, and litigation support applications.

Airborne GeophysicsBoreholeDrone Enabled AirborneelectricalElectrical Resistivity ImagingElectromagnetic (EM)GravityMagneticMagnetometryMarineRadar Tomographyseismic engineeringSeismic ImagingSeismic – PetroleumTowed electromagnetic geophysics

Critical Ops is a strategic business integration firm that provides remote sensing services using autonomous platforms such as UAS/UAVs, blockchain-based occupational health data management, and fraud and cyber threat intelligence services. It also offers consulting in business strategy and processes and government and public services.

3D modelingblockchainbusiness strategy consultingenvironmental monitoringfraud and cyber threat intelligencegovernment consultinginfrastructure inspectionsLiDARSurveying and Mappingthermal imagingUAS/UAV operations

DHDC Engineering Consulting Services, Inc. (DHDC) is a DBE, MBE, EDGE, SBE, LEDE engineering consulting firm headquartered in Columbus, Ohio, with offices in Middletown and Cleveland (TP), Ohio. It specializes in Geotechnical Engineering, Construction Materials Testing, Special Inspections, Subsurface Utilities Engineering and Environmental Engineering services, serving the Midwest and beyond.

asphalt mix designconcrete mix designsConstruction materials testingdrillinggeotechnical engineeringGeotechnical laboratory testinghydro vacuum/air knife excavationsoil boringsspecial inspectionssubsurface utility engineeringweld inspections

Edwards-Pitman Environmental, Inc., a Braun Intertec company, is a comprehensive resource for environmental consulting, science, and planning services throughout the Southeast. Its team of environmental planners, scientists, regulatory specialists, and ecological and cultural resource professionals provides natural and cultural resource identification and evaluations, environmental impact assessments, permitting, site assessments, due diligence evaluations, and environmental construction oversight.

Aquatic surveysArchaeological survey, testing, and data recoveryArchaeology laboratory servicesBioarchaeologyEnvironmental permittingEnvironmental site remediationMetal detectionNEPA complianceUnderwater archaeologyWetland permitting

F3 & Associates is one of the largest land surveying firms on the West Coast, founded in 2004. The firm offers licensed professional land surveying, underground utility locating, concrete scanning, and 3D laser scanning. It serves local and state public agencies, architects, large-scale residential and commercial contractors, and global engineering firms, dispatching crews throughout California and Nevada.

3D Laser Scanningconcrete scanninghigh definition data captureland surveyingutility locating