Products
- Concrete
  - Flex NX
    - Flex NX
      Flex NX®, powered by Nexus™ is the industry’s most powerful and complete concrete scanning system. Use Flex NX™ on its own, or pair an NX wireless satellite antenna to be ready for any jobsite challenge.
  - Flex LT
    - Flex LT
      Flex LT, powered by Nexus, is GSSI’s newest handheld concrete scanning system. This system is a perfect solution for contractors who need to locate and mark targets with speed and precision, without sacrificing quality or budget.
  - NX25
    - NX25
      Scan hard to reach areas, walls and ceilings with the NX25 antenna. This antenna is lightweight, compact and perfect for you to scan, mark and go.
  - NX15
    - NX15
      The NX15 antenna is perfect for any situation where you need a combination of resolution and depth.
  - Flex Product Selector
- Utility
  - UtilityScan Pro
    - UtilityScan Pro
      The UtilityScan Pro is a versatile utility locating system based on the SIR 4000, and offers several options for customization.
  - UtilityScan
    - UtilityScan
      UtilityScan is an indispensable tool for utility locating professionals around the world to easily and accurately map utilities in real-time.
  - UtilityScan DF
    - UtilityScan DF
      The UtilityScan DF incorporates our innovative dual-frequency digital antenna (300/800 MHz) and a touchscreen interface to view shallow and deep targets simultaneously in a single scan.
- Transportation
  - RoadScan
    - RoadScan
      The RoadScan™ 30 system is based on the SIR 30 and provides users with an effective tool for quickly determining pavement layers at high speeds.
  - PaveScan RS
    - PaveScan RS
      Achieve optimal asphalt density with PaveScan RS.
  - PaveScan® MDM
    - PaveScan® MDM
      PaveScan Mix Design Module (MDM) is a powerful new tool for QA/QC labs.
  - PaveScan RDM® 2.0
    - PaveScan RDM® 2.0
      The PaveScan RDM uses the dielectric measurements of new pavement to determine pavement quality and uniformity.
  - BridgeScan
    - BridgeScan
      The BridgeScan™ is a complete, affordable GPR system that is an effective tool for quickly determining the condition of aging bridge decks.
- GS Series
  - 200 HS Antenna
    The 200 HS digital, wireless antenna is ideal for geophysical, geotechnical, and environmental applications that require high reliability under challenging survey conditions.
- SIR Systems
  - SIR 4000
    - SIR 4000
      The SIR® 4000 is GSSI’s first high-performance GPR data acquisition system designed to operate with analog and digital antennas.
  - SIR 30
    - SIR 30
      The SIR® 30 is the next-generation multi-channel GPR control unit. This system can collect up to eight channels of data simultaneously with uncompromised performance.
- Antennas
- Software
  - GSSI Fusion
    - GSSI Fusion
      GSSI Fusion is an easy-to-use reporting tool for professional results from the field.
  - RADAN
    - RADAN
      RADAN® is GSSI's state-of-the-art post-processing software. With its modular design, this program allows users to select the processing functions that best suit their professional needs.
  - Geolitix
    - Geolitix
      Geolitix was designed to simplify and automate nearly every step involved in GPR project workflows.
- Accessories
- Legacy Products
- View All

Not sure which product is right for you? Let us help you decide »

Solutions
- Concrete Inspection
  - Concrete Inspection
    Cutting and coring experts and construction professionals require a reliable, non-destructive solution to assess concrete and concrete structures.
- Utility locating
  - Utility locating
    Utility locators, construction professionals, environmental firms and land surveyors need to know about underground assets prior to digging and trenching efforts.
- Transportation
  - Transportation
    Highway professionals, contractors and engineers use GPR to measure asphalt thickness, compaction, and structural integrity with GPR with accurate real-time data.
- Environmental
  - Environmental
    The key to a comprehensive environmental assessment is the subsurface investigation.
- Geology & Geophysics
  - Geology & Geophysics
    Ground penetrating radar (GPR) offers an accurate, non-destructive solution to mapping the subsurface of the earth.
- Archaeology & Forensics
  - Archaeology & Forensics
    Archaeologists and remote sensing specialists around the world rely on GSSI ground penetrating radar as a key tool for non-invasive site investigation.
- Photo Gallery
- View All

Make a Payment by Credit Card

GSSI is pleased to accept payments online. We accept Visa, MasterCard, Discover and American Express. Please note: As of 9/1/2024, to cover the cost of credit card processing, a 2.4% fee will be added to all credit card transactions. To avoid this, please consider using an alternative form of payment (by check, wire transfer, ACH payment, or EFT payment). Please contact accountsreceivable@geophysical.com if you have any questions or if you need assistance with payment options.

Use the buttons below (choice of US Credit Card Payments/ Canadian Credit Card Payments). If you have any questions, please contact:

Make a Payment by Check (US Dollars Only)

Checks are payable to Geophysical Survey Systems, Inc. or GSSI. Please indicate your GSSI Sales Order or Quote number on your check to ensure it posts immediately.

Checks should be mailed to the following address:

Geophysical Survey Systems, Inc.
ATTN: Finance Department
40 Simon Street
Nashua, NH 03060-3075

Note: Payments by check must be made in US dollars and drawn on a US based financial institution.

Make a Payment by Wire / ACH Payment / EFT Payment

Payment can be made directly from your financial intuition. Please contact and our finance team will help guide you when making a direct bank payment.

GSSI Payment Terms

GSSI Payment Terms
GSSI provides Net Terms for corporate account customers in good standing. If you’re interested in applying for a corporate account, please contact GSSI for our Credit Application Form. Once your application is processed, we will contact you with approval status. Please note that GSSI cannot guarantee Net Terms to every customer. Should you require additional finance options, please consider North Star Leasing Company lease options.

Equipment Financing for GSSI Customers

GSSI understands the level of investment involved in purchasing equipment. That is why we’ve partnered with Trio Capital to offer financing options for our customers.

Trio Capital understands the value that adding GSSI equipment brings to your bottom line. Trio makes it easy to find the right equipment financing solutions to help companies grow and thrive. They offer quick several different financing options, but they can also customize an individual finance plan to meet your specific needs.

Call Mike at 865-403-9728 or click here to learn more and apply.