ELGIN, Ill.–(BUSINESS WIRE)–Heritage-Crystal Clean, Inc. (Nasdaq:HCCI) plans to release its financial results for the fourth quarter of 2021 and for the full fiscal year, which ended January 1, 2022, after the market close on Wednesday, March 2, 2022. The company will host a conference call on Thursday, March 3, 2022 at 9:30 AM Central Time, […] February 17, 2022