Heritage-Crystal Clean Inc., an Elgin, Ill.-based provider of parts cleaning services and containerized waste services, raised around $22 million in its IPO. It priced 1.91 million common shares at $11.50 per share, and closed up at $14.19 on its first day of trading. William Blair & Co. and Piper Jaffray served as co-lead underwriters. Bruckmann Rosser Sherrill & Co. held a 13% pre-IPO stake. http://www.crystal-clean.com/