Npk International Inc.
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A provider of temporary worksite access, NPK International rents and sells its recyclable DURA-BASE composite mats—sturdy plastic roadways and platforms used by power transmission crews and other outdoor workers where the ground needs protection. The company began in 1932 as the New Park Mining Company, grew into oilfield services as Newpark Resources, and rebranded as NPK International in 2024. Its mats were the first engineered thermoplastic access system on the market, a recyclable alternative to traditional wood timbers.
4% convertible notes due 12/01/2021
No tracked superinvestor held this security as stock in this period — only the derivative positions below reference it.