THE WOODLANDS, Texas--(BUSINESS WIRE)--NPK International Inc. (NYSE: NPKI) (“NPK” or the “Company”) today announced the appointment of James “JJ” Barton as Executive Vice President, Commercial Growth & Operations, effective September 22, 2026. Mr. Barton succeeds Lori Briggs, who will depart from her role as Executive Vice President, Business Operations effective September 14, 2026. Mr. Barton brings more than two decades of leadership experience in strategic sales, account management, serv.