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COMPX International
COMPX International took its current form in December 1998, when NL Industries distributed its common stock to shareholders, creating a freestanding entity.
COMPX International
COMPX International took its current form in December 1998, when NL Industries distributed its common stock to shareholders, creating a freestanding entity. The firm now operates through two principal subsidiaries: CompX Security Products, which produces Cabinet Locks and precision security solutions for government, postal, and commercial users, and CompX Marine, which manufacturers stainless steel and wood components for the recreational boating industry. David A. Bowers has long served as Vice Chairman, with Scott C. James leading as President and CEO. The manufacturing workloads divide cleanly between security and marine verticals. On the security side, the firm holds a controlling market share organizing specialized physical security for government and institutional clients, with product lines that include locks for US Postal Service collection boxes and military-grade cabinet locking systems. The marine division supplies steering wheels, dash panels, and stainless-steel hardware to major boat builders in North America. A significant portion of revenue derives directly from contracts with state and federal agencies, sites that maintain deep multi-year procurement relationships. In 2023 the company reported total revenues of approximately $157 million, maintaining a stable manufacturing footprint across facilities in Illinois, Wisconsin, and Michigan. The firm operates a sleepy but centralized corporate structure; NL Industries, which retains majority control, is itself controlled by Valhi, Inc., in a public-but-concentrated ownership chain that dates back decades. COMPX's strategy relies on long equipment replacement cycles and mass-scale small-order fulfillment for institutional clients — systematically avoiding fashion-driven or rapid-obsolescence markets, which produces unusually consistent gross margins near 30 percent across economic cycles. Structural ownership is the firm's genuine differentiator. COMPX International is a controlled company — NL Industries holds a voting majority that eliminates proxy contests and hostile-takeover risk. This lets management run for multi-decade throughput rather than quarterly earnings beats. The tradeoff is thin public float and minimal sell-side coverage, which institutional allocators tend to screen out unless they deliberately target deeply stable, controlled industrials with permanent government demand.
General information
Firm type
Asset Manager
Year founded
1993
Location
Region
North America
Country
United States
City
Dallas
Corporate office
Dallas, TX, United States
Principals
David A. Bowers
Vice Chairman of the Board
Scott C. James
President and CEO
Sector focus
Frequently asked questions
Who ultimately controls COMPX International?
NL Industries holds a majority of COMPX's voting equity. NL Industries is in turn controlled by Valhi, Inc. This means public shareholders own a minority economic interest with limited voting influence — typical for the Contran-era corporate structure from which COMPX was originally spun out in 1998.
What does the company actually manufacture?
COMPX operates two segments. CompX Security Products makes mechanical and electronic cabinet locks, postal box locks, and high-security systems served primarily to government and institutional buyers. CompX Marine manufactures stainless-steel and wood components — steering wheels, dash panels, grab handles — for original-equipment boat builders.
Which government agencies buy from COMPX?
The US Postal Service is the key disclosed customer, with COMPX holding a long-standing sole-source relationship for collection-box locks. The firm also supplies cabinets and locking systems to federal agencies and the Department of Defense under specialized security specifications.
Is COMPX considered a family office or a traditional manufacturer?
It is a manufacturer, not a family office. The distinction is structural: because Contran/Valhi/NL Industries control the company in a holdco chain, it resists the principal-agent dynamics that arise at widely-held public industrials. Some institutional investors treat COMPX as a de facto permanent-capital vehicle rather than a typical NYSE-listed small-cap.
How does COMPX generate consistent margins?
The firm avoids consumer discretionary and tech cycles. Government lock renewals and thumbprint cabinet programs run on long procurement contracts. Marine components sell into replacement and new-build cycles that are steadier than the broader recreational vehicle industry. This produces gross margins that have historically tracked tightly around 28 to 32 percent.
Where are the manufacturing facilities located?
Operations are concentrated in the US Midwest. CompX Security Products runs facilities in Illinois and Wisconsin, while CompX Marine facilities are located in Wisconsin and Michigan. The firm does not publish detailed headcount by site but maintains a domestic production-only footprint as of the most recent publicly available disclosures.
Can small-cap institutional investors build a meaningful position in CIX?
Not easily. The public float is limited because NL Industries has held a majority stake since the 1998 spinout. Trading volume is thin, and no major index fund holds a significant position. Any fund looking at CIX must be comfortable with a multi-year hold and negligible sell-side coverage.
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