- 1978 Start of activity
- 1979 Developed and built the first prototype of automatic dynamic penetrometer
- 1981 New combined penetrometer “Dynamic DP” and “Static CPT”
- 1982 TG 73-200 6x6, self-propelled penetrometer with telescopic anchoring
- 1990 Piezocone with cable for CPTu tests
- 1991 TG 63-100, self-propelled static-dynamic penetrometer
- 1996 New digital piezocone for CPTu tests
- 1999 TG 63-150/200, self-propelled static-dynamic penetrometer
- 2000 Digital seismic piezocone for SCPTu tests
- 2001 TG 73-200, self-propelled tracked penetrometer and P250 coring probe
- 2002 ESM 12-35, probe for environmental sampling
- 2003 ESM 12-180, probe for environmental sampling
- 2007 Probe for environmental sampling with laser system
- 2008 Tracked self-propelled penetrometers weighted from 10 to 25 Tons
- 2009 Research and development of the acquisition system with integrated screen
- 2010 CPTU system TGAS07B with touch screen, GPS and GPRS
- 2011 Mini penetrometer with mini calibration chamber for in situ evaluation of embankment compaction degree
- 2012 New piezocone with sleeve of lateral friction with equal areas
- 2014 S-CPTu system TGAS-08 with touch screen, GPS and GPRS
- 2018 Fortieth anniversary of the company
- 2019 My In-Situ Test, app to replace the field sheet
- 2022 New data-logger TGAS-12 with capacitive touch monitor, simplified graphics and automatic reading of information
- 2025 AI Assistant Leo