COMPX INTERNATIONAL INC
CompX International Inc. (NYSE American: CIX) is a leading manufacturer of engineered components serving diverse industrial and consumer markets across North America. The company operates through two primary business segments: Security Products and Marine Components. From the company’s description.
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 COMPX INTERNATIONAL INC does
In the company’s own words
CompX International Inc. (NYSE American: CIX) is a leading manufacturer of engineered components serving diverse industrial and consumer markets across North America. The company operates through two primary business segments: Security Products and Marine Components.
The Security Products segment manufactures mechanical and electrical cabinet locks and other locking mechanisms used in postal systems, recreational transportation, office and institutional furniture, cabinetry, tool storage, healthcare applications, and various other industries. This segment operates manufacturing facilities in Mauldin, South Carolina and Grayslake, Illinois. The company holds a significant North American market share in cabinet lock security products, offering specialized products including disc tumbler locks, pin tumbler locks, and innovative electronic solutions such as CompX eLock and StealthLock systems. A substantial portion of Security Products sales consist of custom-engineered products adapted to individual customer specifications, complemented by a standardized product line distributed through a North American network of locksmiths and original equipment manufacturer distributors under the STOCK LOCKS brand.
The Marine Components segment manufactures and distributes wake enhancement systems, stainless steel exhaust components, gauges, throttle controls, trim tabs, and related hardware and accessories primarily for ski and wakeboard boats and performance boats, with additional industrial market sales. This segment operates facilities in Neenah, Wisconsin and shares the Grayslake facility with Security Products. Marine Components specializes in high-precision components designed for demanding marine environments.
The company maintains its corporate offices in Dallas, Texas and operates three principal manufacturing facilities, all located in the United States. As of the most recent reporting period, CompX International employed 549 people. The company serves a diverse customer base including the United States Postal Service, which represented approximately 26 percent of consolidated net sales. The company's major trademarks include CompX, National Cabinet Lock, Fort Lock, STOCK LOCKS, KeSet, System 64, TuBar, Turbine, CompX eLock, StealthLock, CompX Marine, Livorsi Marine, and Custom Marine Stainless Exhaust. The company website is www.compxinternational.com.
Company details
- Sector
- Industrials
- Industry
- Fabricated Metal
- Headquarters
- DALLAS, TX
- Fiscal year end
- December
- CIK
- 1049606
- SIC
- 3420
Financial performance, year by year
Fiscal 2013–2025 · 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 COMPX INTERNATIONAL INC — and what changed
Funds as of 2026Q2 · superinvestors as of 2026-06-30
Largest fund holders · COMPX 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”.
Could not be determined for this company: bond issues.
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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