Plano-based Safety Kleen, a provider of used oil collection and recycling services, said in a filing with the SEC late Thursday that it is looking to raise up to $300M in an IPO on the NYSE. The firm said it has applied to list as "SK." Safety Kleen is backed by Highland Capital Management, Contrarian Capiatl Management, JPMorgan Chase & Co., and GSC Group. The IPO is being underwritten by Merrill Lynch & Co., and JPMorgan.