3 5 5 / Route ▁ 5 3 ▁combination , ▁IL - 3 9 0 , ▁and ▁the ▁soon ▁to ▁be ▁completed ▁I - 4 9 0 ▁Western ▁O ' H are ▁B yp ass . ▁ ▁El k ▁Gro ve ▁Village ▁is ▁also ▁home ▁to ▁Alex ian ▁Brothers ▁Medical ▁Center ▁( AB MC ) ▁hospital , ▁which ▁is ▁the ▁largest ▁employ er ▁in ▁the ▁community ▁with ▁over ▁ 2 , 2 0 0 ▁workers . ▁There ▁are ▁a ▁number ▁of ▁other ▁well - known ▁corpor ations ▁including ▁Apple ▁V ac ations , ▁the ▁American ▁Academy ▁of ▁Ped iat rics , ▁Illinois ▁Tool ▁Works ▁( IT W ), ▁AD P , ▁C iti Group , ▁Sym ons , ▁and ▁Pe psi ▁Col a ▁Distribution . ▁The ▁headquarters ▁of ▁United ▁Airlines ▁was ▁in ▁the ▁un in cor por ated ▁area ▁of ▁El k ▁Gro ve ▁Township ▁until ▁it ▁moved ▁to ▁dow nt own ▁Chicago ; ▁the ▁El k ▁Gro ve ▁office ▁is ▁still ▁in ▁use ▁as ▁United ' s ▁Oper ations ▁Center . ▁ ▁History ▁ ▁El k ▁Gro ve ▁Village , ▁incorpor ated ▁in ▁ 1 9 5 6 ▁in ▁El k ▁Gro ve ▁Township , ▁was ▁founded ▁as ▁a ▁planned ▁sub urban ▁community . ▁The ▁majority ▁of ▁houses ▁were ▁constructed ▁by ▁Cent ex ▁Corporation . ▁As ▁part ▁of ▁the ▁original ▁planning ▁concept , ▁the ▁village ▁was ▁to ▁be ▁home ▁to ▁separated ▁resident ial ▁and ▁industrial ▁areas ▁( the ▁latter ▁of ▁which ▁would ▁later ▁become ▁the ▁largest ▁industrial ▁park ▁in ▁the ▁United ▁States