Since Progress first introduced the Sonic enterprise service bus in 2001, the
company has pursued a strategy of offering a wider selection of SOA infrastructure products. Keep in mind that Progress was the first software company to
offer an ESB, and it has used its first-to-market good fortune to good advantage.
By 2006, Progress had over 300 large enterprise and government customers that
had incorporated the Sonic ESB as the backbone of their SOA implementations,
and Progress was acquiring 50–60 new accounts each quarter