1987
Geoprobe® Founders - Mel Kejr and Tom Christy
![Geoprobe® Founders - Mel Kejr and Tom Christy](/sites/default/files/history/founders.jpg)
First Prototype Manufactured
![First Prototype Manufactured](/sites/default/files/history/first%20machine%20yellow%20116070.jpg)
1988
Geoprobe® Name Chosen as Brand
![Geoprobe® Name Chosen as Brand](/sites/default/files/history/1989%20logo.jpg)
Exhibited at First Trade Show
![Exhibited at First Trade Show](/sites/default/files/history/early%20probe%20OAC.jpg)
1.0 in. Probe Rod
![1.0 in. Probe Rod](/sites/default/files/history/1.0proberod.jpg)
INDUSTRY FIRST
Geoprobe® SK58 Percussion Hammer
![Geoprobe® SK58 Percussion Hammer](/sites/default/files/history/SK58%20Hammer.jpg)
1989
1.0 in. probe rods and Geoprobe® 8A
![1.0 in. probe rods and Geoprobe® 8A](/sites/default/files/history/SKMBT_C35112030113002.jpg)
Geoprobe® 8A mounted in a Dodge pickup
![Geoprobe® 8A mounted in a Dodge pickup](/sites/default/files/history/SKMBT_C351120309130401.jpg)
1990
Standard (Probe-Drive) Soil Sampler
![Standard (Probe-Drive) Soil Sampler](/sites/default/files/history/1990%20Probe%20Drive%20Soil%20Sampler.jpg)
Mill-Slotted Well Point
![Mill-Slotted Well Point](/sites/default/files/history/SSALES2_C4518040512000.jpg)
INDUSTRY FIRST
1991
Geoprobe® GH40 Percussion Hammer
![Geoprobe® GH40 Percussion Hammer](/sites/default/files/history/GH40.jpg)
INDUSTRY FIRST
Geoprobe® Post Run Tubing
![Geoprobe® Post Run Tubing](/sites/default/files/history/1991_soil-gas-PRT-8-3-1.jpg)
Geoprobe® Large Bore Soil Sampler
![Geoprobe® Large Bore Soil Sampler](/sites/default/files/history/1991_LbLrgCOB.jpg)
1992
Geoprobe® 8M Mobile Laboratory
![Geoprobe® 8M Mobile Laboratory](/sites/default/files/history/1990%20van%20interior%20card%203.jpg)
Geoprobe® Manufacturing
![Geoprobe® Manufacturing](/sites/default/files/history/1992_vans%20in%20quonset%20SKMBT_C35112030112504.jpg)
1993
Macro-Core® Soil Sampling System
![Macro-Core® Soil Sampling System](/sites/default/files/history/1994_Fall.8.jpg)
INDUSTRY FIRST
Direct-Drive Electrical Sensor Probe
![Direct-Drive Electrical Sensor Probe](/sites/default/files/history/SSALES2_C4518040514020.jpg)
Geoprobe® Model 5400, 4200 and 4220
![Geoprobe® Model 5400, 4200 and 4220](/sites/default/files/history/1995_07_5400_4200_4220_Markley.jpg)
1994
First Soil Conductivity System Sold
![First Soil Conductivity System Sold](/sites/default/files/history/1994_02_Conductivity%20Probing.jpg)
1995
PC100 Cargo Box
![PC100 Cargo Box](/sites/default/files/history/1995_12_Open%20side%20truck.jpg)
Screen Point 15 Groundwater Sampler
![Screen Point 15 Groundwater Sampler](/sites/default/files/history/sp15.jpg)
INDUSTRY FIRST
1996
Membrane Interface Probe (MIP) Introduced
![Membrane Interface Probe (MIP) Introduced](/sites/default/files/history/1996_08_MIP%202.jpg)
INDUSTRY FIRST
Geoprobe® Rod Grip Puller
![Geoprobe® Rod Grip Puller](/sites/default/files/history/1996_08_Probe%20Rod%20Puller.jpg)
GS1000 Grout Machine
![GS1000 Grout Machine](/sites/default/files/history/1996_02_Grout%20System.2.jpg)
1997
Geoprobe® Dual Tube 21 (DT21) Soil System
![Geoprobe® Dual Tube 21 (DT21) Soil System](/sites/default/files/history/DT21%20Sequence%20With%20Point.jpg)
MC Liner Cutter
![MC Liner Cutter](/sites/default/files/history/1997_05_Liner%20cutter.jpg)
SC400 Soil Conductivity Probe
![SC400 Soil Conductivity Probe](/sites/default/files/history/sc400COB.jpg)
1998
Geoprobe® GH60 Percussion Hammer
![Geoprobe® GH60 Percussion Hammer](/sites/default/files/history/gh60%20hammer.jpg)
INDUSTRY FIRST
Drop Hammer Developed for 66 Series Machines
![Drop Hammer Developed for 66 Series Machines](/sites/default/files/history/2003_06_Photo1.jpg)
1999
Augerhead for 66 Series Machines
![Augerhead for 66 Series Machines](/sites/default/files/history/1999_05_66DT_Troy%20Bourbon_Auger.jpg)
Geoprobe® Prepacked Screen Monitoring Well
![Geoprobe® Prepacked Screen Monitoring Well](/sites/default/files/history/1999_08_1.0x2.5%20Prepack%20Screen%20MW_x.jpg)
Geoprobe® DT32
![Geoprobe® DT32](/sites/default/files/history/1999_08_DT32%20Sampler.jpg)
2000
Geoprobe® 5410
![Geoprobe® 5410](/sites/default/files/history/2000_07_5410.2.jpg)
2001
1,000th Geoprobe® Unit Completed
![1,000th Geoprobe® Unit Completed](/sites/default/files/history/2001_06_14_1000%20Unit.1.jpg)
Direct Push Days – NJ
![Direct Push Days – NJ](/sites/default/files/history/2001_09_20_DPD_Trenton%20NJ_group%20photo.jpg)
2002
Geoprobe® DT21 Liners with Integrated Core Catchers
![Geoprobe® DT21 Liners with Integrated Core Catchers](/sites/default/files/history/DT21%20liners%203%20stacked.jpg)
2003
Geoprobe® Mechanical Bladder Pump
![Geoprobe® Mechanical Bladder Pump](/sites/default/files/history/mech%20bldr%20pump%20ad_color_full%20page.jpg)
2004
Geoprobe® Hydraulic Liner Extruder
![Geoprobe® Hydraulic Liner Extruder](/sites/default/files/history/6620DT_DH66_MCext_10_040016.jpg)
Geoprobe® Macro-Core® MC5 Soil Sampling System
![Geoprobe® Macro-Core® MC5 Soil Sampling System](/sites/default/files/history/MC%20CR%20PULLING%20INNER%20STRING%203.jpg)
2005
Geoprobe® 7730DT
![Geoprobe® 7730DT](/sites/default/files/history/124_2474.jpg)
Lightweight 1.25 in. Center Rods
![Lightweight 1.25 in. Center Rods](/sites/default/files/history/lt%20wt%20ctr%20rod0009.jpg)
2006
Geoprobe® DT325 Soil Sampling System
![Geoprobe® DT325 Soil Sampling System](/sites/default/files/history/DT325%20field%200072.jpg)
Hydraulic Profiling Tool Introduced
![Hydraulic Profiling Tool Introduced](/sites/default/files/history/HPT%20Photos_outdoors_05_060037.jpg)
INDUSTRY FIRST
Geoprobe® 7720DT
![Geoprobe® 7720DT](/sites/default/files/history/7720DT_08_050031.jpg)
2007
Geoprobe® DT45 Soil Sampling System
![Geoprobe® DT45 Soil Sampling System](/sites/default/files/history/dt45.jpg)
2008
Geoprobe® Rear Blade and Drop Rack System
![Geoprobe® Rear Blade and Drop Rack System](/sites/default/files/history/8040DT%20glamor%207-08%200001.jpg)
INDUSTRY FIRST
2009
Geoprobe® 7822DT
![Geoprobe® 7822DT](/sites/default/files/history/7822DT%20wheat%20field%20_031.jpg)
Geoprobe® MIP Heated Trunkline
![Geoprobe® MIP Heated Trunkline](/sites/default/files/history/newsletter%20sprg%2009_Page_2.jpg)
2010
Geoprobe® 6622CPT
![Geoprobe® 6622CPT](/sites/default/files/history/6622CPT_058.jpg)
Geoprobe® 8140LS, GV4 Sonic Head
![Geoprobe® 8140LS, GV4 Sonic Head](/sites/default/files/history/8140LS%20097.jpg)
2nd Open House at Geoprobe®
![2nd Open House at Geoprobe®](/sites/default/files/history/Open%20House%204-10_033.jpg)
2011
Geoprobe® Sonic SDT45 & SDT60
![Geoprobe® Sonic SDT45 & SDT60](/sites/default/files/history/sonic%20tooling%20cores_3923.jpg)
Geoprobe® 7800
![Geoprobe® 7800](/sites/default/files/history/cover-7800-Truck-Mount-7-11-188.jpg)
Geoprobe® GH64 Percussion Hammer
![Geoprobe® GH64 Percussion Hammer](/sites/default/files/history/7822DT_039.jpg)
2012
MiHpt
![MiHpt](/sites/default/files/history/MiHPT%20IMG_0014.jpg)
INDUSTRY FIRST
3rd Open House at Geoprobe®
![3rd Open House at Geoprobe®](/sites/default/files/history/oh12.jpg)
2013
Bottom-Up Grout Adapter for Membrane Interface Probe (MIP)
![Bottom-Up Grout Adapter for Membrane Interface Probe (MIP)](/sites/default/files/history/probe%20rod%202%20in%20DI%20grouting%20DSC00991.jpg)
2014
4th Open House at Geoprobe®
![4th Open House at Geoprobe®](/sites/default/files/history/oh14.jpg)
Geoprobe® 3230DT Combo Rig
![Geoprobe® 3230DT Combo Rig](/sites/default/files/history/3230DT_geotechnical.jpg)
Geoprobe® 8150LS, GV5 Sonic Head
![Geoprobe® 8150LS, GV5 Sonic Head](/sites/default/files/history/8150LS%20at%20birm%20099_04-22-2014.jpg)
2015
Geoprobe® Sonic Weighted Wireline
![Geoprobe® Sonic Weighted Wireline](/sites/default/files/history/WWL_DSC0959.jpg)
INDUSTRY FIRST
2016
Geoprobe® Optical Image Profiler (OIP)
![Geoprobe® Optical Image Profiler (OIP)](/sites/default/files/history/OIP%20IMG_0677.jpg)
Geoprobe® Spring Assisted Swivel Lift Cap
![Geoprobe® Spring Assisted Swivel Lift Cap](/sites/default/files/history/SpringAssistedSwivelPullCap_SidebySide.jpg)
Geoprobe® Sonic Indexing Rack
![Geoprobe® Sonic Indexing Rack](/sites/default/files/history/sonic%20indexing%20rack_DSC4258.jpg)
2017
DRILLMAX® Purchased
![DRILLMAX® Purchased](/sites/default/files/history/DRILLMAX_Logo_2017_text.jpg)
Geoprobe® 20CPT Press
![Geoprobe® 20CPT Press](/sites/default/files/history/_DSC1712.jpg)
Geoprobe® Interlocking Split Spoon Sampler
![Geoprobe® Interlocking Split Spoon Sampler](/sites/default/files/history/IMG_8571.jpg)
2018
Geoprobe® 3100GT & 150GT Geotech Rigs
![Geoprobe® 3100GT & 150GT Geotech Rigs](/sites/default/files/history/3100gt.jpg)
Geoprobe® 7822DT V3
![Geoprobe® 7822DT V3](/sites/default/files/history/7822dtv3.jpg)
5th Open House at Geoprobe®
![5th Open House at Geoprobe®](/sites/default/files/history/oh18.jpg)
2019
DRILLMAX® by Geoprobe® DM450
![DRILLMAX® by Geoprobe® DM450](/sites/default/files/history/dm450.jpg)
2020
Geoprobe® 3126GT
![Geoprobe® 3126GT](/sites/default/files/history/3126GT.jpg)
2021
Geoprobe® 6011DT
![Geoprobe® 6011DT](/sites/default/files/history/6011DT.jpg)
East Coast Service Center Opened
![East Coast Service Center Opened](/sites/default/files/history/East%20Coast%20Service%20Center%20Opened.jpg)
Geoprobe® Seismic CPT
![Geoprobe® Seismic CPT](/sites/default/files/history/Seismic%20CPT.jpg)
Geoprobe® 3145GT
![Geoprobe® 3145GT](/sites/default/files/history/3145GT.jpg)
2022
DRILLMAX® by Geoprobe® DM650
![DRILLMAX® by Geoprobe® DM650](/sites/default/files/history/Drillmax%20by%20Geoprobe%20DM650.jpg)
DM250 on Ford Chassis
![DM250 on Ford Chassis](/sites/default/files/history/DM250%20on%20Ford%20Chassis.jpg)
GW Screen Point Latching Samplers
![GW Screen Point Latching Samplers](/sites/default/files/history/GW%20Screen%20Point%20Latching%20Samplers.jpg)
2023
DRILLMAX® by Geoprobe® DM650 Air
![DRILLMAX® by Geoprobe® DM650 Air](/sites/default/files/history/Drillmax%20by%20Geoprobe%20DM650%20Air.jpg)
Geoprobe® SRC30DT Sonic Rod Carrier
![Geoprobe® SRC30DT Sonic Rod Carrier](/sites/default/files/history/Geoprobe%20SRC30DT%20Sonic%20Rod%20Carrier.jpg)
Direct Image® CPT Astra & CPT Astra15
![Direct Image® CPT Astra & CPT Astra15](/sites/default/files/history/Direct%20Image%20CPT%20Astra%20and%20CPT%20Astra15.jpg)