ELGIN, Ill.–(BUSINESS WIRE)–Heritage-Crystal Clean, Inc. (Nasdaq:HCCI) plans to release its financial results for the second quarter of 2021, which ended June 19, 2021, after the market close on Wednesday, July 28, 2021. The company will host a conference call on Thursday, July 29, 2021 at 9:30 AM Central Time, during which management will give a presentation focusing on the Company’s operations and financial results. Interested parties can listen to the audio webcast available through our co

By A Silva