THE WOODLANDS, Texas--(BUSINESS WIRE)--NPK International Inc. (NYSE: NPKI) (“NPK” or the “Company”) today announced results for the three and nine months ended September 30, 2025. THIRD QUARTER 2025 RESULTS (all comparisons versus the prior year period unless otherwise noted) Revenues of $68.8 million, +56%; Rental revenues of $29.6 million, +57% Operating income from continuing operations of $9.1 million, 13.2% operating margin Income from continuing operations of $6.1 million, or $0.07 per di.