 ELGIN, Ill.--BUSINESS WIRE--Heritage-Crystal Clean, Inc. Nasdaq:HCCI announced that Brian Recatto, CEO, and Mark DeVita, CFO, will present at the Stifel 2021 Virtual Cross Sector Insight Conference on Tuesday, June 8, 2021. Heritage-Crystal Cleans presentation is scheduled to begin at 8:40 am EDT. The presentation will be webcast live and may be accessed at the following link, or in the investor relations section of the companys website: http: 