s . ▁The ▁El ▁Pas o ▁ref in ery ▁del ivers ▁to ▁a ▁number ▁of ▁other ▁mark ets ▁via ▁pipeline . ▁ ▁Western ▁Ref ining ▁own s ▁and ▁oper ates ▁a ▁wh oles ale ▁division ▁that ▁works ▁in ▁conj unction ▁with ▁the ▁ref ining ▁operations . ▁ ▁Through ▁the ▁ref iner ies ▁and ▁these ▁affili ated ▁companies , ▁Western ▁Ref ining ▁serves ▁a ▁broad ▁customer ▁base ▁in ▁Arizona , ▁California , ▁Colorado , ▁Minnesota , ▁Nev ada , ▁New ▁Mexico , ▁western ▁Texas , ▁Ut ah , ▁Wisconsin , ▁northern ▁Ch ih u ah ua , ▁Mexico , ▁and ▁the ▁central ▁East ▁Coast ▁region . ▁In ▁late ▁ 2 0 1 6 , ▁it ▁was ▁announced ▁that ▁the ▁San ▁Antonio , ▁Texas ▁based ▁ref ining ▁and ▁log istics ▁company ▁T es oro ▁would ▁purchase ▁Western ▁Ref ining ▁for ▁an ▁estimated ▁enter prise ▁value ▁of ▁$ 6 . 4 ▁Bill ion . ▁Stock hold ers ▁from ▁both ▁companies ▁approved ▁the ▁proposed ▁deal ▁on ▁March ▁ 2 4 , ▁ 2 0 1 7 , ▁pending ▁appro val ▁from ▁the ▁Federal ▁Trade ▁Commission . ▁ ▁History ▁The ▁El ▁Pas o ▁ref in ery ▁was ▁originally ▁two ▁ref iner ies ▁across ▁from ▁each ▁other ▁on ▁T row bridge ▁Avenue , ▁one ▁operated ▁by ▁Tex aco , ▁the ▁other , ▁larger , ▁by ▁Che v ron ▁O il . ▁ ▁In ▁ 1 9 9 7 ▁the ▁company ▁Re fin ery ▁Hold ing ▁was ▁formed ▁to ▁manage ▁the ▁ref iner ies ; ▁it ▁purchased ▁them ▁out right