If you're an archaeologist or researcher looking to see beneath the surface without disturbing a site, these five GPR specialists offer the tools, training, and expertise you need.
The Quiet Revolution in Archaeological Mapping
Ground penetrating radar has transformed how we explore the past. Instead of digging first and asking questions later, you can now scan a site and create detailed subsurface maps in hours. This non-destructive approach is a game-changer for preserving sensitive locations, from ancient burial grounds to historic battlefields. The technology sends high-frequency pulses into the ground and records the reflections, revealing buried walls, artifacts, and even living surfaces. With the right equipment and interpretation, you can pinpoint excavation targets with remarkable accuracy. The field is growing fast, and these five players are leading the charge.
How We Evaluated These GPR Specialists
We looked at each business through the lens of an archaeologist or researcher. Service scope mattered—do they offer full surveys, training, or just equipment? We also considered their educational value, like workshops and open-access resources. Pricing clarity was a factor, though many don't list prices online, so we noted where you'd need to ask. Local fit was key, too, since some are US-based while others serve globally. Finally, we weighed their reputation and the depth of their expertise in archaeological applications.
Here's a quick snapshot of the five GPR experts we're covering, so you can see at a glance what each one brings to the table.
| Provider | Best For |
|---|---|
| GSSI | High-quality GPR equipment and comprehensive training |
| GPR for Archaeology – Ground Penetrating Radar for Archaeology | Advanced GPR training and accreditation for archaeologists |
| Sensors & Software | Advanced GPR systems and global support for research |
| Bigman Geophysical | Full-service GPR surveys and equipment rental |
| Omega Mapping Services | Cemetery and archaeological site mapping with a personal touch |
The Five GPR Experts You Should Know
#1 GSSI
A screenshot of the GSSI website.
GSSI is a heavyweight in the GPR world, known for manufacturing cutting-edge equipment like the UtilityScan and StructureScan systems. Their website is a treasure trove of resources, including webinars, case studies, and detailed product guides. If you're looking to buy or rent GPR gear, GSSI offers a full range of options, from antennas to software like RADAN. They also run a training academy with courses on everything from basic GPR operation to advanced data interpretation. For archaeologists, their solutions are tailored to non-destructive site investigation, and they've been a trusted name for decades. You'll find plenty of free educational content to get you started.
#2 GPR for Archaeology – Ground Penetrating Radar for Archaeology
A screenshot of the GPR for Archaeology website.
This site, run by Lawrence Conyers, is a dedicated hub for GPR in archaeology and geological mapping. It's not a typical service provider—instead, it's an educational platform offering advanced workshops, a user accreditation program, and open-access publications. You can download software like GPR Process and GPR Viewer, and even connect with accredited practitioners worldwide. The site is a goldmine for anyone wanting to deepen their understanding of GPR interpretation, with video workshops and participant reviews. If you're serious about mastering GPR for archaeological work, this is your go-to resource. It's a community-driven effort that bridges theory and practice.
#3 Sensors & Software
A screenshot of the Sensors & Software website.
Sensors & Software, based in Canada, is a global leader in GPR technology, offering systems like the pulseEKKO and NOGGIN. Their website is packed with application-specific resources, including a dedicated archaeology section with case studies and recommended practices. They provide both hardware and software solutions, like EKKO_Project, which is essential for data processing and visualization. You can also access their SensoftU online learning platform for courses and webinars. For archaeologists, they offer low-frequency antennas that penetrate deep into the ground, ideal for buried structures. Their global reach and robust support make them a solid choice for research teams.
#4 Bigman Geophysical
A screenshot of the Bigman Geophysical website.
Bigman Geophysical offers a full suite of GPR services, including archaeological prospection, utility locating, and concrete scanning. Their team has extensive field experience, and they emphasize non-destructive investigation to preserve sensitive sites. They provide data processing and analysis, plus training workshops for those who want to learn the ropes. Their website highlights diverse export options, so you can integrate their findings into CAD, GIS, or BIM projects. If you need a hands-on partner for a specific site survey, Bigman is a reliable choice. They also rent equipment, which is handy for short-term projects.
#5 Omega Mapping Services
A screenshot of the Omega Mapping Services website.
Omega Mapping Services specializes in non-invasive geophysical surveys, with a strong focus on cemetery mapping and archaeological sites. They've mapped over 200 cemeteries across the US, giving them unique expertise in burial detection. Their GPR surveys create detailed subsurface images, helping researchers pinpoint areas of interest before excavation. They also offer utility locating and as-built mapping, making them a versatile partner. If you're working on a historical site, their decade of experience is a plus. They're based in Georgia, but serve clients nationwide.
How to Pick the Right GPR Partner for Your Project
Start by defining your project's scope. Are you looking for a one-time survey, or do you need ongoing training and equipment? If you're a researcher wanting to build your own GPR skills, GPR for Archaeology is your best bet. For full-service surveys, Bigman or Omega Mapping can handle the fieldwork. If you're in the market for new gear, GSSI and Sensors & Software offer top-tier hardware and training. Consider your budget—some services are more transparent about pricing than others, so don't hesitate to ask for quotes. Also, think about the site's sensitivity; non-destructive methods are crucial for preserving history. Finally, check their experience with similar sites, whether it's a battlefield or a burial ground.
Streamlining Your GPR Workflow
Modern GPR software can automate much of the data processing, turning raw scans into 3D models with minimal manual effort. Tools like GPR Process and EKKO_Project allow you to create amplitude maps and slice views automatically. You can set up batch processing to handle multiple grids, saving hours of work. For interpretation, machine learning algorithms are starting to assist in feature detection, though human expertise is still key. By integrating these tools into your workflow, you can focus on analysis rather than data wrangling. It's a smart way to speed up your archaeological investigations.
The Bottom Line on GPR for Archaeology
Choosing the right GPR expert comes down to your specific needs. If you're a professional archaeologist looking to enhance your skills, GPR for Archaeology offers unmatched educational resources. For those needing a full-service survey, Bigman and Omega Mapping provide reliable, non-destructive solutions. Equipment buyers will find GSSI and Sensors & Software at the forefront of technology. Each of these five brings something unique to the table, so take your time to explore their offerings. The future of archaeology is beneath the surface, and with these experts, you'll be well-equipped to uncover it.