Northern Tier Energy, an independent oil refiner and retailer in the PADD II region of the US, filed on Tuesday with the SEC to raise up to $200 million in an initial public offering. The Ridgefield, CT-based company, which was founded in 2010 and booked $4.2 billion in sales for the 12 months ended September 30, 2011, plans to list on the NYSE under the symbol NTI. Goldman, Sachs & Co., BofA Merrill Lynch, Deutsche Bank Securities, J.P. Morgan and Macquarie Capital are the lead underwriters on the deal. No pricing terms were disclosed.