# Filing Detail

Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000071829-25-000041
Filing Date
2025-05-02
Accepted
2025-05-02 11:55:24
Documents
67
Period of Report
2025-03-31

Document Format Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
1 | 10-Q | nr-20250331.htm iXBRL | 10-Q | 644155
2 | EX-31.1 | a2025q110qexhibit311.htm | EX-31.1 | 8612
3 | EX-31.2 | a2025q110qexhibit312.htm | EX-31.2 | 8578
4 | EX-32.1 | a2025q110qexhibit321.htm | EX-32.1 | 4855
5 | EX-32.2 | a2025q110qexhibit322.htm | EX-32.2 | 5179
11 |  | nr-20250331_g1.jpg | GRAPHIC | 6518
| Complete submission text file | 0000071829-25-000041.txt |  | 4406220

Data Files

Seq | Description | Document | Type | Size
--- | --- | --- | --- | ---
6 | XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT | nr-20250331.xsd | EX-101.SCH | 32828
7 | XBRL TAXONOMY EXTENSION CALCULATION LINKBASE DOCUMENT | nr-20250331_cal.xml | EX-101.CAL | 75622
8 | XBRL TAXONOMY EXTENSION DEFINITION LINKBASE DOCUMENT | nr-20250331_def.xml | EX-101.DEF | 121469
9 | XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT | nr-20250331_lab.xml | EX-101.LAB | 452726
10 | XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT | nr-20250331_pre.xml | EX-101.PRE | 312297
70 | EXTRACTED XBRL INSTANCE DOCUMENT | nr-20250331_htm.xml | XML | 466428

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-Q | Act: 34 | File No.: 001-02960 | Film No.: 25906573
SIC: 3533 Oil & Gas Field Machinery & Equipment
(CF Office: 01 Energy & Transportation)