Halliburton , for instance , moved its headquarters to Houston from Dallas in 2003 , joining dozens of companies based here that provide services for oil and natural gas producers .
Halliburton /business/company/place_founded Dallas
NNP , IN NN , VBD PRP$ NN TO NNP IN NNP IN CD , VBG NNS IN NNS VBN RB IN VBP NNS IN NN CC JJ NN NNS .
Halliburton
ORGANIZATION
Dallas
LOCATION
/business/company/place_founded