Inergy registers $300 million IPO

Inergy Midstream LP, a limited partnership formed by Inergy LP to own and operate midstream energy assets, has filed with the SEC to raise up to $300 million in an initial public offering. The Kansas City, Mo.-based company generated $106 million in revenue for the 12 months ended June 30, 2011, and had an adjusted EBITDA margin of 76 percent.