NPK International Inc.
NPK International Inc. (NYSE: NPKI) provides temporary worksite access solutions, manufacturing, selling and renting recyclable composite mats and related systems, alongside planning, logistics, site construction and restoration services. Its customers include utilities and service providers, as well as companies in… From the company’s description.
Over the twelve months to Sep 30, 2026, NPK International Inc. reported revenue of $308.13M, up 18.8% from a year earlier, and net income of $43.14M. Its operating margin was 17.0%, and operations generated $68.15M in cash. In fiscal 2025, it reported revenue of $277.04M, up 27.4% from fiscal 2024, and net income of $38.94M.
Margins and return on equity change in ; everything else in percent. Fewer shares and less debt are shown plainly, not as bad news — it depends what you make of buybacks. Dotted labels explain each measure. is shown separately from the annual figures.
What NPK International Inc. does
In the company’s own words
NPK International Inc. (NYSE: NPKI) provides temporary worksite access solutions, manufacturing, selling and renting recyclable composite mats and related systems, alongside planning, logistics, site construction and restoration services. Its customers include utilities and service providers, as well as companies in power transmission, oil and natural gas, pipelines, renewable energy, petrochemicals and construction. Rental and related services generated 66% of 2025 revenue, while manufactured product sales accounted for 34%; about 60% of rental and service revenue came from power transmission customers. The company serves customers primarily in the United States and United Kingdom, with 93% of 2025 revenue generated domestically. Its principal product line is DURA-BASE® composite matting, with related products including connecting pins and the EPZ Grounding System™. In November 2025, it acquired Grassform Plant Hire Limited, a U.K. provider of ground protection and temporary roadway solutions and services. NPK International employed approximately 510 people at December 31, 2025. Its website is www.npki.com.
Company details
- Sector
- Industrials
- Industry (SIC)
- Business Services & Software
- Headquarters
- THE WOODLANDS, TX
- Fiscal year end
- December
- CIK
- 71829
- SIC
- 7350
Financial performance, year by year
Fiscal 2011–2025 · USDThe full income statement, balance sheet and cash flow for each of these years — every figure traceable to its filing — is on the Financials tab with a free account.
Who owns NPK International Inc. — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · NPK International Inc.’s weight in each
Fund ownership is a floor, not a census — pensions, insurers and people holding shares directly are not visible here.
Fund ownership counts N-PORT filers only, so it is a floor rather than a census — pensions, insurers and direct holders are not visible here, and the remainder is not “held by individuals”.
Every fund and institutional holder, quarter by quarter, is on the Ownership tab with a free account.
Recent filings
All filings →Each filing opens into its own statements and disclosures here.
Put this business in context.
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