Marlin Midstream Partners, LP, which owns and operates midstream energy assets and provides gathering, transportation, treating and processing services for natural gas companies, filed on Thursday with the SEC to raise up to $150 million in an initial public offering. The limited partnership was organized in 2013, but its predecessor has been operating since 2002. The Houston, TX-based company, which booked $48 million in sales for the 12 months ended March 31, 2013, plans to list on the NASDAQ under the symbol FISH. Marlin Midstream Partners, LP initially filed confidentially on May 3, 2013. Stifel and Baird are the joint bookrunners on the deal. No pricing terms were disclosed.