 DALLAS, April 01, 2021 GLOBE NEWSWIRE -- CSW Industrials, Inc. NASDAQ: CSWI and Pennzoil-Quaker State Company dba SOPUS products Shell, a wholly owned subsidiary of Shell Oil Company that comprises Shells United States U.S. lubricants business, announced today the successful formation of Shell Whitmore Reliability Solutions, LLC, a 50:50 joint venture JV between Whitmore Manufacturing, LLC Whitmore, a wholly owned subsidiary of CSWI, and Shell. 