1968
Wes Cupples (Garett’s father) started General Hot Oil & Chemical Cleaning Ltd.
1982
Garett started working for Wes at General Hot Oil & Chemical Cleaning Ltd.
1988
Garett bought his 1st hot oil unit, and started his own service company
1995
Garett completed buying the final hot oil unit from Wes and General Hot Oil & Pressure Services is created; replacing General Hot Oil & Chemical Cleaning Ltd.
1997
Garett started General Hot Oilers Inc., the manufacturing company
1997
General Hot Oilers Inc. made first international sale (sold a heater to China)
2001
Sold hot oil unit to India
2002 (March)
Garett sold General Hot Oil & Pressure Services, the service company
2002 (March)
General Hot Oilers Inc. purchased the TEXSTEAM Heating Division from Dresser Flow Control based in Houston, Texas
2002 (September)
General Hot Oilers Inc. changes name to GenTex Oilfield Manufacturing Inc. to reflect the recent purchase of TEXSTEAM, and the manufacturing focus of the company
2002 (November)
GenTex™ creates a world record for manufacturing the ‘world’s largest trailer-mounted hot oil unit’ for the Alaskan oilfield
2004 (January)
Sold steamer to Gabon
2004 (August)
Sold hot oil unit to Kazakhstan
2005
Sold heating units to Russia
2006 (July)
Sold hot oil unit to Colombia
2006 (August)
2007
GenTex/General Hot Oilers Inc. celebrates 10 years as an oilfield equipment manufacturer
2008
Sold hot oil unit to Poland
2009
Began developing the stock unit lineup to achieve quicker deliveries and fixed pricing
2010 (May)
First stock pressure truck completed
2010 (July)
Sold steamer to Brunei
2010 (September)
First stock hot oil unit completed
2012
GenTex develops 200M ThermoGen Heater (20MM BTU Output)
2012 (December)
Sold heater to Germany
2014
Sold heating unit to Romania
