Stamberger-Sender Associates: The agency was founded in 1947 and is a Northeast based company covering New York, Pennsylvania, New Jersey, Ohio, Maryland, Delaware, Virginia and New England. We currently employ ten direct sales representatives that are supported by a three person inside Sales/Customer Service staff. Our outside sales force has combined sales experience of over 125 years. We specialize in marketing our portfolio to wholesale distributors, engineers, OEMs and installing contractors.