Gentlemen：

　　It is our pleasure to inform you that the   [name of new business]     is now open for business.

　　Our firm is located at  [location]  and we specialize in

　　We have enclosed a credit application in your name should you be interested in opening an account with us.  We will look forward to your coming in for a visit or calling us if you would like to have one of our representatives come to your office.