Professional Engineers in Hickory Hills, IL Hoefferle-Butler Engineering8714 S Roberts RdHickory Hills, IL, 604577085998980Consulting Engineering FirmsEngineering CompaniesEngineers Professional StructuralGenetic EngineerProfessional EngineersOmnitronix Engineering9525 S 79th Ave # 217Hickory Hills, IL, 604577085997853Consulting Engineering FirmsEngineering CompaniesEngineers Professional StructuralGenetic EngineerProfessional EngineersShow MoreSee AlsoConstruction EngineersConsulting Engineers