West Corporation, which provides conferencing, notification and call center services, filed on Friday with the SEC to raise up to $500 million in an initial public offering. The Omaha, NE-based company, which was founded in 1986 and booked $2.4 billion in sales over the last 12 months, plans to list on the under the symbol WEST. Goldman Sachs, Morgan Stanley, and BofA Merrill Lynch are the lead underwriters on the deal. No pricing terms were disclosed.
