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We welcome trade-ins and offer competitive rates for your used gear - email or call for more information!

Trimble Robotic SystemTrimble Robotic System

We have excellent financing available on all new and used equipment OAC. Please contact us for details.

We stand behind what we sell

Carlson CR2 w/ Mini2, Surveyor2, and Supervisor TabletCarlson CR2 w/ Mini2, Surveyor2, and Supervisor Tablet

(unless it's a robot - then we stand at the pole!)

 US Survey Supply is an Authorized Dealer of:

Carlson Software


Dutch Hill


SubSurface Instruments


Carlson SurvCE

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In addition to new products we always have a variety of used instruments available. The images above don't necessarily reflect current inventory; call us to find out what's here now.

Carlson NR3

The Carlson NR3 is a compact GNSS Smart Antenna designed for Network Rover applications. The NR3 and a prism make a light weight survey pole assembly to utilize SurvCE/PC 6.0 with Hybrid+ forsimultaneous GNSS and Robotic Total Station surveys.

Carlson BRx6Carlson BRx6 GNSS ReceiverCarlson BRx6 GNSS Receiver

The BRx6 improves upon everything we love about the BRx5 and adds features. More compact, sturdier, more channels, additional constellations, faster updates, user-friendly status screen, and smart voice broadcast system, the BRx6 compares favorably to any other receiver, especially when you consider the cost!

GeoMax Zenith25 ProZenith25 Pro GNSS receiverZenith25 Pro GNSS receiver

With its internal radio and 3.75 G Penta band GSM, the full support of GPS, GLONASS, Galileo, BeiDou and SBAS systems the Zenith25 Pro Series is truly future proof. Combining all those technologies with the Q-Lock™                                         technology, Zenith25 is suitable for any application.

GeoMax  Zenith25

The Zenith25 introduces a GNSS system to surveyors that provides true price-to-performance value and takes surveying productivity to the next level!

The Zenith25 system offers ultimate reliability and robustness even in extreme environments and “works when you do”.

The Q-Lock™ technology tracks all satellites with the highest available signal strength and performs regular independent checks to ensure you can work even in challenging environments such as urban canyons or under heavy foliage. This is all combined in a system robust enough to withstand a 2m topple and complete submersion under water.

GeoMax Zenith20 GNSS Receiver

Comprised of two main components, a GNSS antenna and a handheld computer, the Zenith20 is a complete and fully integrated satellite positioning system. The integrated wireless technology provides a completely cable free and light-weight solution ready for an entire day’s work.