Chain Stores-One of a series of stores owned by one company and selling the same merchandise.
http://www.fofweb.com/History/HistRefMain.asp?iPin=EAHVI050&SID=2&DatabaseName=American+History+Online&InputText=%22Gilded+Age%22&Search&dTitle=chain+stores+in+the+Gilded+Age&TabRecord+Records&BioCountPass=61&SubCountPass=97&DocCountPass=3&ImgCountPass=10&MapCountPass=4&FedCountPass=&MedCountPass=14&NewsCountPass=0&RecPosition=19&AmericanData=Set&WomenData=&AFHCData=&IndianData=&WorldData=&AncientData=&GovernmentData=
Mail-Order Business-The buying of goods or services by mail delivery.
http://www.ehow.com/about_4675100_mail-order-catalogs.html
Business Leaders-A very wealthy or powerful businessman/woman.
http://www.u-s-history.com/pages/h872.html
Advertising-The activity or profession of producing advertisements for commercial products or services.
http://books.google.com/books?id=Ey_j6sPJbgQC&pg=PA41&lpg=PA41&dq=advertising+in+the+gilded+age&source=bl&ots=tDuLEHn7nO&sig=qVcs6sMgrh10QFN54eUv72bv8Os&hl=en&sa=X&ei=jYfCUJWjNMmOygHr6YCQDQ&ved=0CDIQ6AEwAQ#v=onepage&q=advertising%20in%20the%20gilded%20age&f=false