SPS Commerce, which offers supply chain management solutions through its web-based platform, filed on Thursday with the SEC to raise up to $46 million in an initial public offering. The Minneapolis, MN-based company, which was founded in 1987 and booked $36 million in sales over the last 12 months, plans to list on the NASDAQ under the symbol SPSC. Thomas Weisel is the lead underwriter on the deal, for which pricing terms were not disclosed.