With the symbol HAL, it constructs oil wells, among other things...
[DOC] [TLE] Halliburton Company facts, information, pictures | Encyclopedia.com ... [PAR] Incorporated: 1924 as Halliburton Oil Well Cementing Company ... Ticker Symbol
: HAL ... which designs and constructs major projects, including liquefied natural 
gas plants, refining and .... deep wells and a method for making the fracturing 
sand radioactive, among other innovations.