▁autom obile ▁engines ▁world wide . ▁Al co a ▁Fast ening ▁Systems ▁( now ▁known ▁as ▁Ar con ic ) ▁is ▁head qu arter ed ▁in ▁Tor rance , ▁producing ▁a eros pace ▁fast en ers . ▁Pacific ▁Sales , ▁Pel ican ▁Product s , ▁and ▁R apis can ▁Systems ▁are ▁among ▁the ▁other ▁companies ▁based ▁in ▁Tor rance . ▁ ▁According ▁to ▁the ▁city ' s ▁ 2 0 1 2 ▁Major ▁Emp loy ers ▁in ▁Tor rance ▁Report , ▁the ▁city ' s ▁top ▁ 1 0 ▁employ ers ▁( and ▁number ▁of ▁employees ) ▁are : ▁ ▁The ▁Del ▁Am o ▁F ashion ▁Center , ▁at ▁ 2 . 5 ▁million ▁square ▁feet ▁( 2 3 2 , 0 0 0 ▁m ² ), ▁is ▁one ▁of ▁the ▁five ▁largest ▁m alls ▁in ▁the ▁United ▁States ▁by ▁gross ▁le as able ▁area . ▁ ▁The ▁current ▁m all ▁was ▁created ▁when ▁Del ▁Am o ▁Center , ▁built ▁in ▁ 1 9 5 8 , ▁merged ▁with ▁Del ▁Am o ▁F ashion ▁Square , ▁built ▁in ▁ 1 9 7 2 . ▁ ▁Once ▁located ▁on ▁opposite ▁sides ▁of ▁Car son ▁Street , ▁a ▁gig antic ▁expansion ▁of ▁the ▁m all ▁sp anning ▁Car son ▁Street ▁joined ▁the ▁two ▁cent ers ▁by ▁ 1 9 8 2 , ▁making ▁it ▁the ▁largest ▁m all ▁in ▁the ▁world ▁at ▁the ▁time . ▁ ▁In ▁ 2 0 0 5 , ▁the ▁east ▁end ▁of ▁the ▁original ▁m all ▁north ▁of ▁Car son