1987
Geoprobe® Founders - Mel Kejr and Tom Christy

First Prototype Manufactured

1988
Geoprobe® Name Chosen as Brand

Exhibited at First Trade Show

1.0 in. Probe Rod

INDUSTRY FIRST
Geoprobe® SK58 Percussion Hammer

1989
1.0 in. probe rods and Geoprobe® 8A

Geoprobe® 8A mounted in a Dodge pickup

1990
Standard (Probe-Drive) Soil Sampler

Mill-Slotted Well Point

INDUSTRY FIRST
1991
Geoprobe® GH40 Percussion Hammer

INDUSTRY FIRST
Geoprobe® Post Run Tubing

Geoprobe® Large Bore Soil Sampler

1992
Geoprobe® 8M Mobile Laboratory

Geoprobe® Manufacturing

1993
Macro-Core® Soil Sampling System

INDUSTRY FIRST
Direct-Drive Electrical Sensor Probe

Geoprobe® Model 5400, 4200 and 4220

1994
First Soil Conductivity System Sold

1995
PC100 Cargo Box

Screen Point 15 Groundwater Sampler

INDUSTRY FIRST
1996
Membrane Interface Probe (MIP) Introduced

INDUSTRY FIRST
Geoprobe® Rod Grip Puller

GS1000 Grout Machine

1997
Geoprobe® Dual Tube 21 (DT21) Soil System

MC Liner Cutter

SC400 Soil Conductivity Probe

1998
Geoprobe® GH60 Percussion Hammer

INDUSTRY FIRST
Drop Hammer Developed for 66 Series Machines

1999
Augerhead for 66 Series Machines

Geoprobe® Prepacked Screen Monitoring Well

Geoprobe® DT32

2000
Geoprobe® 5410

2001
1,000th Geoprobe® Unit Completed

Direct Push Days – NJ

2002
Geoprobe® DT21 Liners with Integrated Core Catchers

2003
Geoprobe® Mechanical Bladder Pump

2004
Geoprobe® Hydraulic Liner Extruder

Geoprobe® Macro-Core® MC5 Soil Sampling System

2005
Geoprobe® 7730DT

Lightweight 1.25 in. Center Rods

2006
Geoprobe® DT325 Soil Sampling System

Hydraulic Profiling Tool Introduced

INDUSTRY FIRST
Geoprobe® 7720DT

2007
Geoprobe® DT45 Soil Sampling System

2008
Geoprobe® Rear Blade and Drop Rack System

INDUSTRY FIRST
2009
Geoprobe® 7822DT

Geoprobe® MIP Heated Trunkline

2010
Geoprobe® 6622CPT

Geoprobe® 8140LS, GV4 Sonic Head

2nd Open House at Geoprobe®

2011
Geoprobe® Sonic SDT45 & SDT60

Geoprobe® 7800

Geoprobe® GH64 Percussion Hammer

2012
MiHpt

INDUSTRY FIRST
3rd Open House at Geoprobe®

2013
Bottom-Up Grout Adapter for Membrane Interface Probe (MIP)

2014
4th Open House at Geoprobe®

Geoprobe® 3230DT Combo Rig

Geoprobe® 8150LS, GV5 Sonic Head

2015
Geoprobe® Sonic Weighted Wireline

INDUSTRY FIRST
2016
Geoprobe® Optical Image Profiler (OIP)

Geoprobe® Spring Assisted Swivel Lift Cap

Geoprobe® Sonic Indexing Rack

2017
DRILLMAX® Purchased

Geoprobe® 20CPT Press

Geoprobe® Interlocking Split Spoon Sampler

2018
Geoprobe® 3100GT & 150GT Geotech Rigs

Geoprobe® 7822DT V3

5th Open House at Geoprobe®

2019
DRILLMAX® by Geoprobe® DM450

2020
Geoprobe® 3126GT

2021
Geoprobe® 6011DT

East Coast Service Center Opened

Geoprobe® Seismic CPT

Geoprobe® 3145GT

2022
DRILLMAX® by Geoprobe® DM650

DM250 on Ford Chassis

GW Screen Point Latching Samplers

2023
DRILLMAX® by Geoprobe® DM650 Air

Geoprobe® SRC30DT Sonic Rod Carrier

Direct Image® CPT Astra & CPT Astra15
