Form 10-K - Annual report [Section 13 and 15(d), not S-K Item 405]:
SEC Accession No. 0000071829-26-000009
Filing Date
2026-02-27
Accepted
2026-02-27 14:32:05
Documents
113
Period of Report
2025-12-31

Document Format Files

Seq Description Document Type Size
1 10-K nr-20251231.htm   iXBRL 10-K 1719797
2 EX-10.13 a2025q410kexhibit1013.htm EX-10.13 57117
3 EX-10.15 a2025q410kexhibit1015.htm EX-10.15 10764
4 EX-10.30 a2025q410kexhibit1030.htm EX-10.30 108882
5 EX-10.31 a2025q410kexhibit1031.htm EX-10.31 117811
6 EX-21.1 a2025q410kexhibit211.htm EX-21.1 9423
7 EX-23.1 a2025q410kexhibit231.htm EX-23.1 2366
8 EX-31.1 a2025q410kexhibit311.htm EX-31.1 9885
9 EX-31.2 a2025q410kexhibit312.htm EX-31.2 10172
10 EX-32.1 a2025q410kexhibit321.htm EX-32.1 4617
11 EX-32.2 a2025q410kexhibit322.htm EX-32.2 4579
17 nr-20251231_g1.jpg GRAPHIC 6518
18 nr-20251231_g2.jpg GRAPHIC 117573
  Complete submission text file 0000071829-26-000009.txt   11623994

Data Files

Seq Description Document Type Size
12 XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT nr-20251231.xsd EX-101.SCH 69845
13 XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT nr-20251231_cal.xml EX-101.CAL 185042
14 XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT nr-20251231_def.xml EX-101.DEF 388967
15 XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT nr-20251231_lab.xml EX-101.LAB 965758
16 XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT nr-20251231_pre.xml EX-101.PRE 715297
116 EXTRACTED XBRL INSTANCE DOCUMENT nr-20251231_htm.xml XML 1654313
Mailing Address 9320 LAKESIDE BOULEVARD SUITE 100 THE WOODLANDS TX 77381
Business Address 9320 LAKESIDE BOULEVARD SUITE 100 THE WOODLANDS TX 77381 281-362-6800
NPK International Inc. (Filer) CIK: 0000071829 (see all company filings)

EIN.: 721123385 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-K | Act: 34 | File No.: 001-02960 | Film No.: 26698077
SIC: 7350 Services-Miscellaneous Equipment Rental & Leasing
(CF Office: 07 Trade & Services)