est yle ▁sw imm ers ▁Category : C osta ▁R ican ▁male ▁sw imm ers ▁Category : O lymp ic ▁sw imm ers ▁of ▁Costa ▁Rica ▁Category : Sw imm ers ▁at ▁the ▁ 2 0 0 8 ▁Summer ▁Olympics ▁Category : Sw imm ers ▁at ▁the ▁ 2 0 1 2 ▁Summer ▁Olympics ▁Category : Sw imm ers ▁at ▁the ▁ 2 0 1 1 ▁Pan ▁American ▁Games ▁Category : S ports people ▁from ▁San ▁José , ▁Costa ▁Rica ▁Category : Pan ▁American ▁Games ▁compet itors ▁for ▁Costa ▁Rica <0x0A> </s> ▁P ig gly ▁W ig gly ▁is ▁an ▁American ▁super market ▁chain ▁operating ▁in ▁the ▁Southern ▁and ▁Mid western ▁regions ▁of ▁the ▁United ▁States , ▁run ▁by ▁P ig gly ▁W ig gly , ▁L LC , ▁an ▁affili ate ▁of ▁C & S ▁Wh oles ale ▁Gro cers . ▁Its ▁first ▁out let ▁opened ▁in ▁ 1 9 1 6 ▁in ▁M emph is , ▁Tennessee , ▁and ▁is ▁notable ▁for ▁having ▁been ▁the ▁first ▁true ▁self - service ▁gro c ery ▁store , ▁and ▁the ▁origin ator ▁of ▁various ▁familiar ▁super market ▁features ▁such ▁as ▁checkout ▁stands , ▁individual ▁item ▁price ▁mark ing ▁and ▁sho pping ▁c arts . ▁The ▁current ▁company ▁headquarters ▁is ▁in ▁Ke ene , ▁New ▁Ham pshire . ▁More ▁than ▁ 6 0 0 ▁independently ▁owned ▁P ig gly ▁W ig gly ▁stores ▁operate ▁in ▁ 1 7 ▁states , ▁primarily ▁in ▁smaller ▁cities ▁and ▁towns . ▁ ▁History ▁ ▁P ig gly ▁W ig