Two well-known tax preparation services include H&R Block and Jackson Hewitt. To meet growing needs, H&R Block is no longer focusing just on tax preparation but on comprehensive financial services as well. The company offers brokerage services, annuities, mutual funds, and IRAs available in centers and on its Web site.
Jackson Hewitt is the second largest tax preparation service company with over 5,400 offices in 49 states and the District of Columbia. Specializing in electronic filing they provide full service, individual federal and state income tax preparation as well as other related financial products.
Oh and of course let's not leave out the major contact source, Mr. IRS himself!