NPK International Inc. is a temporary worksite access solutions company that manufactures, sells, and rents recyclable composite matting products in the United States and United Kingdom. It also provides installation and rental of matting systems, along with related site construction and services for markets including power transmission, oil and natural gas, pipeline, renewable energy, petrochemical, and construction. The company offers recyclable composite mats worldwide and services such as access road construction, site planning, environmental protection, erosion control, and site restoration. Formerly known as Newpark Resources, Inc., it changed its name to NPK International Inc. in December 2024, was founded in 1932, and is headquartered in The Woodlands, Texas.