Greenway Medical Technologies, a provider of software solutions to ambulatory healthcare providers whose core product is PrimeSUITE, filed on Friday with the SEC to raise up to $100 million in an initial public offering. The Carrollton, GA-based company, which was founded in 1998 and booked $81 million in sales for the 12 months ended March 31, 2011, plans to list on the under the symbol GWAY. J.P. Morgan, Morgan Stanley, and William Blair are the lead underwriters on the deal. No pricing terms were disclosed.