ServiceMaster has laid out its IPO terms. Planning to trade on the NYSE under the symbol SERV, it has listed an estimated price range of $18 to $21 per share. The company offers residential and commercial services like pest and termite control, home warranties, disaster restoration and more through more than 7,000 locations. Clayton, Dubilier & Rice, which holds a 65.8% pre-IPO stake, took the company private in 2007 for about $5.5 billion. Ridgemont Equity Partners (5.44%) contributed an estimated $225 million to that deal. StepStone Group (14.39%) and JPMorgan Chase (7.25%) also back ServiceMaster.