att ▁& ▁Whit ney ▁Canada ▁( P W C ▁or ▁P & W C ) ▁is ▁a ▁Canada - based ▁aircraft ▁engine ▁manufact urer . ▁ ▁P W C ' s ▁headquarters ▁are ▁in ▁Long ue uil , ▁Quebec , ▁just ▁outside ▁Montreal . ▁ ▁It ▁is ▁a ▁division ▁of ▁the ▁larger ▁US - based ▁Pr att ▁& ▁Whit ney ▁( P & W ), ▁itself ▁a ▁business ▁unit ▁of ▁United ▁Techn ologies . ▁United ▁Techn ologies ▁has ▁given ▁P W C ▁a ▁world ▁mand ate ▁for ▁small ▁and ▁medium ▁aircraft ▁engines ▁while ▁P & W ' s ▁US ▁operations ▁develop ▁and ▁manufact ure ▁larger ▁engines . ▁ ▁Although ▁P W C ▁is ▁a ▁division ▁of ▁P & W , ▁it ▁does ▁its ▁own ▁research , ▁development ▁and ▁market ing ▁as ▁well ▁as ▁the ▁manufact uring ▁of ▁its ▁engines . ▁The ▁company ▁currently ▁has ▁about ▁ 1 0 , 0 0 0 ▁employees ▁world wide , ▁with ▁ 6 , 0 0 0 ▁of ▁them ▁in ▁Canada . ▁ ▁History ▁ ▁The ▁Canadian ▁Pr att ▁& ▁Whit ney ▁A ircraft ▁Company , ▁Ltd . ▁was ▁founded ▁in ▁November ▁ 1 9 2 8 ▁to ▁act ▁as ▁a ▁service ▁centre ▁for ▁P & W ▁aircraft ▁engines . ▁During ▁World ▁War ▁II , ▁it ▁assemble d ▁Pr att ▁& ▁Whit ney ▁W asp ▁series ▁engines ▁built ▁in ▁the ▁U . S . ▁In ▁ 1 9 5 2 , ▁the ▁production ▁of ▁W asp ▁engines ▁was ▁transferred ▁to ▁Canadian ▁Pr att ▁& ▁Whit ney ▁so