COMPX INTERNATIONAL, INC.
CompX International Inc. is a Delaware corporation, incorporated in 1993, and is listed on NYSE American under the ticker symbol CIX. Its principal executive offices are located at Three Lincoln Centre, 5430 LBJ Freeway, Suite 1700, Dallas, Texas 75240. In Texas, CompX International is registered to transact business as a foreign corporation under registration number 0010929506 with the Texas Secretary of State, where its status is listed as Active.
CompX International designs, manufactures and markets engineered, security-related products through two operating segments. Its Security Products segment produces mechanical and electronic cabinet locks and locking systems used in postal, transportation, cabinetry, healthcare and other general applications. Its Marine Components segment produces performance-boat gauges, throttle controls, wake-enhancement systems and exhaust components for the recreational marine industry, sold under brands including Livorsi Marine and Custom Marine/CMI. CompX International previously also operated a Furniture Components segment, which it divested in December 2012; that segment is no longer part of the company’s current operations.
For the fiscal year ended December 31, 2025, CompX International reported consolidated net sales of approximately $158.3 million and employed 549 people, all located in the United States, according to the company’s Form 10-K filed with the U.S. Securities and Exchange Commission on March 4, 2026.
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Shareholders
1
Shareholders of CompX International Inc.
CompX International Inc.’s majority shareholder is NL Industries, Inc. (NYSE: NL), which beneficially owned approximately 87.3% of CompX’s outstanding common stock (12,323,057 shares outstanding as of the record date), according to CompX’s definitive proxy statement (Form DEF 14A) filed in connection with its May 20, 2026 annual meeting. Separately, gd registry data reviewed for this profile also recorded a small institutional position — iShares Trust – iShares Russell 2000 ETF, reported at approximately 2.1% as of September 2026 — which is consistent with a listed company’s free float being held partly by index funds. This is a listed-company disclosure covering NL Industries as the reportable majority holder rather than a complete shareholder register, which CompX International does not publish in full.
NL Industries’ own ownership is itself part of a controlled chain: Valhi, Inc. (NYSE: VHI) holds approximately 83% of NL Industries’ outstanding common stock, and a wholly-owned subsidiary of Contran Corporation holds approximately 91% of Valhi’s outstanding common stock, per the companies’ most recent SEC filings (FY2025 Form 10-K and 2026 Form 10-Q filings of NL Industries and Valhi).
Ultimate beneficial ownership
Contran Corporation, at the top of this chain, is disclosed as majority controlled by Lisa K. Simmons, directly and together with family trusts established for the benefit of Ms. Simmons, Thomas C. Connelly and their children (for which Ms. Simmons and Mr. Connelly act as co-trustees), per CompX’s 2026 proxy statement. Ms. Simmons’ voting rights in Contran stock are personal to her and extend through April 22, 2030. Multiplying the disclosed ownership chain (Contran subsidiary’s ~91% of Valhi x Valhi’s ~83% of NL Industries x NL Industries’ ~87.3% of CompX) gives a calculated effective indirect interest of approximately 66% flowing from Contran down to CompX International. On this basis, Lisa K. Simmons and the related family trusts may be deemed to indirectly control CompX International through Contran, Valhi and NL Industries, per the company’s SEC disclosures. Information date: FY2026 proxy statement (2026 annual meeting held May 20, 2026).
Data availability
Shareholder and beneficial-ownership information for CompX International, a U.S. NYSE American-listed company, is Major shareholders only: SEC rules require disclosure of beneficial owners of more than 5% of outstanding shares plus director/officer holdings in the proxy statement, but do not require publication of a complete shareholder register.
Sources
- CompX International Inc., Definitive Proxy Statement (DEF 14A) for the May 20, 2026 Annual Meeting — https://www.sec.gov/Archives/edgar/data/1049606/000104960626000007/cix-20260520xdef14a.htm — retrieved 2026-09-23
- CompX International Inc., Form 10-K for the fiscal year ended December 31, 2025 — https://www.sec.gov/Archives/edgar/data/1049606/000110465926023463/cix-20251231x10k.htm — retrieved 2026-09-23
- NL Industries, Inc., Form 10-Q, March 31, 2026 — https://www.sec.gov/Archives/edgar/data/72162/000110465926056285/nl-20260331x10q.htm — retrieved 2026-09-23
- Valhi, Inc., Form 10-Q, March 31, 2026 — https://www.sec.gov/Archives/edgar/data/59255/000110465926057165/vhl-20260331x10q.htm — retrieved 2026-09-23
| Shareholder | Type | Holding | Source Document |
|---|---|---|---|
| iShares Trust-iShares Russell 2000 ETF | 2.1% | Texas Secretary of State — SOSDirect |
Officers
9
Directors and officers of CompX International Inc.
Per CompX International’s Form DEF 14A definitive proxy statement filed ahead of its May 20, 2026 annual stockholder meeting, the company’s board of directors comprised eight members standing for election: Thomas E. Barry, Loretta J. Feehan (non-executive Chair of the Board), Terri L. Herrington, Scott C. James, Ann Manix, Gina A. Norris, Michael S. Simmons (Vice Chairman of the Board) and Mary A. Tidlund. According to CompX’s announcement of the meeting results, all eight nominees were elected by stockholders on May 20, 2026.
The named executive officers disclosed in the same proxy statement are Michael S. Simmons (Vice Chairman of the Board), Scott C. James (President and Chief Executive Officer), Amy A. Samford (Executive Vice President and Chief Financial Officer), Amy E. Ruf (Senior Vice President and Controller) and Bart W. Reichert (Vice President, Internal Audit). Nationality and country of residence are not disclosed for any officer or director in CompX’s SEC filings; U.S. proxy-disclosure rules do not require this information. No officer resignations, removals or role changes dated in 2026 were identified in the filings reviewed.
Data availability
Officer and director information for CompX International, a U.S. SEC-reporting company, is Current only: the proxy statement discloses the incumbent board slate and named executive officers as of its filing/record date but does not provide a complete historical register of past officers. Nationality is not disclosed under SEC proxy rules and was not found in any source reviewed.
Sources
- CompX International Inc., Definitive Proxy Statement (DEF 14A) for the May 20, 2026 Annual Meeting — https://www.sec.gov/Archives/edgar/data/1049606/000104960626000007/cix-20260520xdef14a.htm — retrieved 2026-09-23
- CompX International Inc., results of the 2026 Annual Stockholder Meeting (May 20, 2026 announcement) — https://www.globenewswire.com/news-release/2026/05/20/3298875/0/en/COMPX-ANNOUNCES-REGULAR-QUARTERLY-DIVIDEND-AND-RESULTS-OF-THE-ANNUAL-STOCKHOLDER-MEETING.html — retrieved 2026-09-23
Registry feed — rows exactly as filed with Texas Secretary of State — SOSDirect, including entries the profile above does not cover.
Group Structure
Group structure of CompX International Inc.
CompX International Inc. is not an independent company; it is part of a corporate group ultimately controlled by Contran Corporation. Its immediate parent is NL Industries, Inc. (NYSE: NL), which beneficially owned approximately 87.3% of CompX’s outstanding common stock as of the record date for the 2026 annual meeting, per CompX’s DEF 14A proxy statement. NL Industries is majority owned by Valhi, Inc. (NYSE: VHI), which is majority owned by a wholly-owned subsidiary of Contran Corporation, the ultimate parent of the group, per the companies’ most recent SEC filings. A verified sister company under the same Contran/Valhi group is Kronos Worldwide, Inc. (NYSE: KRO), a titanium dioxide producer.
CompX International reported five wholly-owned direct subsidiaries in Exhibit 21.1 to its Form 10-K for the year ended December 31, 2025: CompX Security Products Inc. and CompX Marine Inc. (both Delaware), Custom Marine Inc. (Delaware), Livorsi Marine Inc. (Illinois) and JZTB Realty LLC (Wisconsin), each held at 100% of voting securities at that date. These correspond to CompX’s disclosed Security Products and Marine Components operating segments.
Verified corporate relationships
| Entity | Country | Registration number | Relationship | Ownership | Status | Information date |
|---|---|---|---|---|---|---|
| NL Industries, Inc. | US | NYSE: NL | Immediate parent | ~87.3% of outstanding common stock | Active | 2026 DEF 14A |
| Valhi, Inc. | US | NYSE: VHI | Indirect parent (parent of NL Industries) | ~83% of NL Industries | Active | FY2025/2026 SEC filings |
| Contran Corporation (via wholly-owned subsidiary) | US | Not disclosed | Ultimate parent | ~91% of Valhi | Active | FY2025/2026 SEC filings |
| Kronos Worldwide, Inc. | US | NYSE: KRO | Sister company (same Contran/Valhi group) | Ownership percentage not disclosed | Active | FY2025/2026 SEC filings |
| CompX Security Products Inc. | US (Delaware) | Not disclosed in Exhibit 21.1 | Direct subsidiary | 100% of voting securities | Active | Exhibit 21.1, FY2025 Form 10-K (as of 2025-12-31) |
| CompX Marine Inc. | US (Delaware) | Not disclosed in Exhibit 21.1 | Direct subsidiary | 100% of voting securities | Active | Exhibit 21.1, FY2025 Form 10-K (as of 2025-12-31) |
| Custom Marine Inc. | US (Delaware) | Not disclosed in Exhibit 21.1 | Direct subsidiary | 100% of voting securities | Active | Exhibit 21.1, FY2025 Form 10-K (as of 2025-12-31) |
| Livorsi Marine Inc. | US (Illinois) | Not disclosed in Exhibit 21.1 | Direct subsidiary | 100% of voting securities | Active | Exhibit 21.1, FY2025 Form 10-K (as of 2025-12-31) |
| JZTB Realty LLC | US (Wisconsin) | Not disclosed in Exhibit 21.1 | Direct subsidiary | 100% of voting securities | Active | Exhibit 21.1, FY2025 Form 10-K (as of 2025-12-31) |
Data availability
Corporate-linkage information for CompX International is Full: the immediate and ultimate parent chain (NL Industries, Valhi, Contran) and all direct operating subsidiaries are disclosed in SEC filings as of the FY2025 Form 10-K (filed March 4, 2026) and the FY2026 DEF 14A proxy statement. Group-registry data reviewed alongside these filings also referenced an entity named "CompX Precision Slides Inc.", which does not appear in the current SEC Exhibit 21.1 subsidiary list and could not be independently verified as a current subsidiary; it has therefore been omitted from the verified relationships above.
Sources
- CompX International Inc., Exhibit 21.1 to Form 10-K, FY2025 — https://www.sec.gov/Archives/edgar/data/1049606/000110465926023463/cix-20251231xex21d1.htm — retrieved 2026-09-23
- CompX International Inc., Form 10-K for the fiscal year ended December 31, 2025 — https://www.sec.gov/Archives/edgar/data/1049606/000110465926023463/cix-20251231x10k.htm — retrieved 2026-09-23
- CompX International Inc., Definitive Proxy Statement (DEF 14A) for the May 20, 2026 Annual Meeting — https://www.sec.gov/Archives/edgar/data/1049606/000104960626000007/cix-20260520xdef14a.htm — retrieved 2026-09-23
- NL Industries, Inc., Form 10-Q, March 31, 2026 — https://www.sec.gov/Archives/edgar/data/72162/000110465926056285/nl-20260331x10q.htm — retrieved 2026-09-23
- Valhi, Inc., Form 10-Q, March 31, 2026 — https://www.sec.gov/Archives/edgar/data/59255/000110465926057165/vhl-20260331x10q.htm — retrieved 2026-09-23
Contran Corporation
United States
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Frequently Asked Questions
What does COMPX INTERNATIONAL, INC. do?
CompX International Inc. designs, manufactures and markets security products (cabinet locks and locking systems) and marine components (gauges, throttle controls, wake-enhancement systems) through its Security Products and Marine Components operating segments.
Who owns COMPX INTERNATIONAL, INC.?
NL Industries, Inc. (NYSE: NL) beneficially owns approximately 87.3% of CompX International's outstanding common stock, per the FY2026 DEF 14A proxy statement; other holders each own small minority stakes.
Who is COMPX INTERNATIONAL, INC.'s UBO (Ultimate Beneficial Owner)?
Lisa K. Simmons, directly and via family trusts, is disclosed as controlling Contran Corporation (voting rights through April 22, 2030), which indirectly controls CompX International through Valhi, Inc. and NL Industries, Inc.
What is COMPX INTERNATIONAL, INC.'s company registration number?
COMPX INTERNATIONAL, INC.'s registration number is 0010929506, filed with Texas Secretary of State — SOSDirect in United States. Its current status on the register is active.
Is COMPX INTERNATIONAL, INC. still an active company?
COMPX INTERNATIONAL, INC.'s status on Texas Secretary of State — SOSDirect is listed as active.
When was COMPX INTERNATIONAL, INC. incorporated?
COMPX INTERNATIONAL, INC. was incorporated on 1 April 1996, according to Texas Secretary of State — SOSDirect.
What is COMPX INTERNATIONAL, INC.'s registered address?
The registered address on file for COMPX INTERNATIONAL, INC. is DALLAS, United States.
What is COMPX INTERNATIONAL, INC.'s revenue?
CompX International reported consolidated net sales of approximately $158.3 million and 549 employees for the fiscal year ended December 31, 2025, per its Form 10-K filed March 4, 2026.
Is COMPX INTERNATIONAL, INC. listed on a stock exchange?
CompX International Inc. is listed on NYSE American under the ticker symbol CIX.
Who are the officers/directors of COMPX INTERNATIONAL, INC.?
CompX International's 2026 board of directors includes Loretta J. Feehan (non-executive Chair), Michael S. Simmons (Vice Chairman) and Scott C. James (President & CEO); named executive officers also include Amy A. Samford (EVP & CFO), Amy E. Ruf and Bart W. Reichert.
Does COMPX INTERNATIONAL, INC. have a parent company or subsidiaries?
CompX International is majority owned by NL Industries, Inc., itself majority owned by Valhi, Inc., which is majority owned by a Contran Corporation subsidiary; CompX's direct wholly-owned subsidiaries are CompX Security Products Inc., CompX Marine Inc., Custom Marine Inc., Livorsi Marine Inc. and JZTB Realty LLC.
Can Zavia monitor changes to COMPX INTERNATIONAL, INC.'s ownership over time?
This profile reflects a point-in-time snapshot from Texas Secretary of State — SOSDirect. Zavia's monitoring API can track changes to COMPX INTERNATIONAL, INC.'s registered shareholders, officers, and group structure going forward, flagging updates as they're filed rather than requiring a manual recheck.
Can I access COMPX INTERNATIONAL, INC.'s data through an API?
Yes. Zavia's API connects directly to official government ownership registries across 195 countries and territories, including United States, so records like COMPX INTERNATIONAL, INC.'s registration, shareholder, UBO, and group-structure data can be queried programmatically instead of viewed one page at a time.
Where does this company information come from, and how current is it?
This record is sourced directly from Texas Secretary of State — SOSDirect and was last synced on 25 September 2026.